Common Viral Diseases in Broiler Chicks
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A disease that occurs, when an organism's susceptible body cells are invaded by a pathogenic virus or infectious virus particles.
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Important diseases
Important diseases
Important diseases of poultry
Avian influenza
Low pathogenic AI
highly pathogenic AI
Post-mortem Lesions
1-ibdiseasent-140810175034-phpapp02 (1).pdf
Infectious bronchitis is a highly contagious viral disease that affects the respiratory and urogenital tracts of chickens. The infectious bronchitis virus targets and replicates in the upper respiratory tract initially, causing respiratory signs like coughing and sneezing in young chickens. It can also infect the kidneys and reproductive tract, leading to decreased egg production and quality in layers. On post-mortem examination, lesions are found in the respiratory tract like caseous exudates in the trachea, and in the kidneys and reproductive organs. Definitive diagnosis requires isolating or identifying the causative virus through laboratory tests.
Gumboro_Disease Infectious Bursal Disease (IBD)
Infectious bursal disease, also known as Gumboro disease, is a highly contagious viral disease that affects young chickens between 2-6 weeks of age. The virus attacks the bursa of Fabricius organ, which is important for B cell development and antibody production. This causes immunosuppression and leaves chickens susceptible to secondary infections. Clinical signs include diarrhea, depression, and mortality. Post mortem examination shows hemorrhaging and atrophy of the bursa. The economic impact is high due to increased mortality and susceptibility to other diseases. The virus is transmitted horizontally and persists in the environment, so disinfection is important for control.
BRUCELLA (Gram negative bacteria) zoonotic infection
This document provides information on Brucella, the causative agent of brucellosis. It discusses that Brucella is a gram-negative coccobacillus that can infect various domestic animals and cause zoonotic infections in humans. The four main human pathogenic species are B. abortus, B. melitensis, B. suis, and B. canis. Brucellosis is transmitted to humans primarily through the consumption of contaminated, unpasteurized dairy products. The disease causes acute or chronic systemic infections and can occasionally lead to localized complications like endocarditis. Laboratory diagnosis involves culture and serological tests. Treatment involves prolonged courses of antibiotic combinations like doxycycline and rifamp
Avian influenza disease in poultry
This document discusses avian influenza, including its types, clinical signs, and methods of prevention and control. It describes how avian influenza is caused by infection with influenza A viruses, which can be low or highly pathogenic. Clinical signs in infected poultry include sudden death, decreased appetite and egg production, and respiratory symptoms. Key methods for control and prevention outlined are strict biosecurity measures, quarantining infected flocks, vaccination, and culling infected birds to limit spread. The document provides details on vaccine production methods like cell culture, egg propagation, harvesting, purification and inactivation of the virus.
Infectious bursal diseaes
Infectious bursal disease (IBD), also known as Gumboro disease, is a highly contagious viral disease of young chickens that causes severe immunosuppression. The disease is of major economic importance as it leads to high mortality in chickens 3-6 weeks old and vaccination failure due to immunosuppression. The virus is transmitted through the fecal-oral route and infects the bursa of Fabricius, causing hemorrhaging and inflammation. Clinical signs include depression, diarrhea, and mortality rates between 2-70% depending on the strain and vaccination status of the flock. Vaccination is the primary control method used along with thorough cleaning and disinfection between flocks.
gumboro.pdf
IBD infectious bursal disease
https://www.udemy.com/course/poultry-farming-viral-diseases-threaten-poultry-industry/?referralCode=EAFBDC5B623DADAAFD25
Infectious bronchitis1
Infectious bronchitis is an acute respiratory disease of chickens caused by a coronavirus. It was first identified in the US in 1931. Clinical signs include respiratory distress, coughing, sneezing, and decreased egg production. The virus spreads rapidly between chickens through respiratory droplets. While mortality is usually low, secondary infections can increase mortality in young chicks. Vaccines are used to help control the disease.
Recommended
Important diseases
Important diseases
Important diseases of poultry
Avian influenza
Low pathogenic AI
highly pathogenic AI
Post-mortem Lesions
1-ibdiseasent-140810175034-phpapp02 (1).pdf
Infectious bronchitis is a highly contagious viral disease that affects the respiratory and urogenital tracts of chickens. The infectious bronchitis virus targets and replicates in the upper respiratory tract initially, causing respiratory signs like coughing and sneezing in young chickens. It can also infect the kidneys and reproductive tract, leading to decreased egg production and quality in layers. On post-mortem examination, lesions are found in the respiratory tract like caseous exudates in the trachea, and in the kidneys and reproductive organs. Definitive diagnosis requires isolating or identifying the causative virus through laboratory tests.
Gumboro_Disease Infectious Bursal Disease (IBD)
Infectious bursal disease, also known as Gumboro disease, is a highly contagious viral disease that affects young chickens between 2-6 weeks of age. The virus attacks the bursa of Fabricius organ, which is important for B cell development and antibody production. This causes immunosuppression and leaves chickens susceptible to secondary infections. Clinical signs include diarrhea, depression, and mortality. Post mortem examination shows hemorrhaging and atrophy of the bursa. The economic impact is high due to increased mortality and susceptibility to other diseases. The virus is transmitted horizontally and persists in the environment, so disinfection is important for control.
BRUCELLA (Gram negative bacteria) zoonotic infection
This document provides information on Brucella, the causative agent of brucellosis. It discusses that Brucella is a gram-negative coccobacillus that can infect various domestic animals and cause zoonotic infections in humans. The four main human pathogenic species are B. abortus, B. melitensis, B. suis, and B. canis. Brucellosis is transmitted to humans primarily through the consumption of contaminated, unpasteurized dairy products. The disease causes acute or chronic systemic infections and can occasionally lead to localized complications like endocarditis. Laboratory diagnosis involves culture and serological tests. Treatment involves prolonged courses of antibiotic combinations like doxycycline and rifamp
Avian influenza disease in poultry
This document discusses avian influenza, including its types, clinical signs, and methods of prevention and control. It describes how avian influenza is caused by infection with influenza A viruses, which can be low or highly pathogenic. Clinical signs in infected poultry include sudden death, decreased appetite and egg production, and respiratory symptoms. Key methods for control and prevention outlined are strict biosecurity measures, quarantining infected flocks, vaccination, and culling infected birds to limit spread. The document provides details on vaccine production methods like cell culture, egg propagation, harvesting, purification and inactivation of the virus.
Infectious bursal diseaes
Infectious bursal disease (IBD), also known as Gumboro disease, is a highly contagious viral disease of young chickens that causes severe immunosuppression. The disease is of major economic importance as it leads to high mortality in chickens 3-6 weeks old and vaccination failure due to immunosuppression. The virus is transmitted through the fecal-oral route and infects the bursa of Fabricius, causing hemorrhaging and inflammation. Clinical signs include depression, diarrhea, and mortality rates between 2-70% depending on the strain and vaccination status of the flock. Vaccination is the primary control method used along with thorough cleaning and disinfection between flocks.
gumboro.pdf
IBD infectious bursal disease
https://www.udemy.com/course/poultry-farming-viral-diseases-threaten-poultry-industry/?referralCode=EAFBDC5B623DADAAFD25
Infectious bronchitis1
Infectious bronchitis is an acute respiratory disease of chickens caused by a coronavirus. It was first identified in the US in 1931. Clinical signs include respiratory distress, coughing, sneezing, and decreased egg production. The virus spreads rapidly between chickens through respiratory droplets. While mortality is usually low, secondary infections can increase mortality in young chicks. Vaccines are used to help control the disease.
Dr Fares El-khayat -Infectious bursal disease
- Infectious Bursal Disease (IBD), also known as Gumboro disease, is a highly contagious viral disease affecting young chickens.
- It is caused by a birnavirus that infects and destroys lymphocytes in the bursa of Fabricius, causing immunosuppression. This predisposes chickens to other diseases.
- Clinical signs include self-vent pecking, diarrhea, tremors, and mortality up to 20% in severe outbreaks. Post-mortem lesions include enlarged or atrophied bursa and hemorrhages. Diagnosis involves virus isolation from the bursa or serological tests.
Enteroviruses-1(0).pdf
This document discusses enteroviruses, including their structure, classification, pathogenesis, clinical manifestations, diagnosis and prevention. It covers several enterovirus genera including polioviruses, coxsackieviruses, echoviruses and newly identified enteroviruses. Poliovirus is targeted for eradication through vaccination programs using both live attenuated oral polio vaccine and inactivated intramuscular polio vaccine. Enteroviruses can cause a variety of diseases from mild febrile illness to paralysis, meningitis, myocarditis and neonatal infection. Diagnosis involves virus isolation in cell culture and molecular techniques like RT-PCR. There is no antiviral treatment except supportive care, though immunoglobulins
Brucellosis ppt
Brucellosis is caused by bacteria of the genus Brucella and is a major zoonotic disease transmitted from animals to humans. It causes flu-like symptoms such as fever, sweats, and joint pain in humans. The disease is widespread globally in areas where infection is common in livestock like sheep, goats and cattle. Diagnosis involves serological tests to detect antibodies and culturing Brucella from blood or tissues. Treatment requires prolonged antibiotic therapy. Vaccination of livestock and pasteurization of dairy products are important for control and prevention.
Congo fever
Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne viral disease carried by Hyalomma ticks and transmitted to humans via tick bites or contact with infected animal blood. The virus is endemic in Africa, the Middle East, Asia, and the Balkans. It causes severe hemorrhagic fever in humans with flu-like symptoms initially, which can develop into vomiting blood, black stools, liver swelling, and shock. The disease has a high fatality rate of around 30% and is diagnosed through blood tests and tissue sampling. There is no vaccine available though supportive care and ribavirin treatment may help recovery. Prevention involves avoiding tick bites and reducing contact with potentially infected
Fowl pox and treatment
Fowl pox is a contagious viral disease that mainly affects chickens and turkeys. It is caused by the avipoxvirus, an enveloped brick-shaped virus transmitted through mosquitoes, contaminated surfaces/air, or direct contact. The disease presents with three main forms: cutaneous/dry form features wart-like skin growths; diphtheritic/wet form causes white patches in the mouth and throat; oculonasal form causes eye and nose swelling and discharge. Diagnosis is based on characteristic lesions and PCR testing can confirm presence of virus. Prevention focuses on vaccination and controlling mosquitoes while treatment involves antibiotics, ointments, and sanitation.
Avian Infectious Bronchitis IB Disease
Infectious Bronchitis is a highly contagious viral disease affecting chickens worldwide. It causes respiratory disease and drops in egg production. The document outlines the etiology, transmission, economic impact, pathogenesis, clinical signs, post-mortem lesions, and diagnosis of the disease. Definitive diagnosis requires isolation or identification of the Infectious Bronchitis Virus through laboratory tests.
respiratory diseases of poltry
This document summarizes several common respiratory diseases that affect poultry: aspergillosis, avian cholera, avian influenza, fowl pox, infectious bronchitis, infectious laryngotracheitis, mycoplasma gallisepticum, and Newcastle disease. For each disease, the summary includes the causative agent, clinical signs, diagnosis, and treatment or prevention methods. The diseases can cause respiratory distress, decreased feed intake, egg production drops, and mortality. Accurate diagnosis is important for effective treatment and control of spread. Improving ventilation, sanitation measures, and vaccination are recommended for prevention depending on the specific disease.
Newcastle disease.pdf
Newcastle disease (ND) is a viral disease affecting wild and
domestic birds. It is characterized by a high variability in
morbidity, mortality,
ND primarily affects chickens and turkeys, but most poultry
and many wild and domestic birds are susceptible.
Viral causes of infertilty in male (Cattle, buffalo and others)
This document discusses several viral diseases that can be transmitted through semen and cause infertility in male cattle. It provides details on infectious bovine rhinotracheitis (IBR), bovine viral diarrhea (BVD), foot and mouth disease (FMD), and vesicular stomatitis. For each disease, it describes the etiology, transmission, clinical signs, diagnosis, and methods for prevention and control. The document emphasizes that strict biosecurity measures must be implemented to prevent the spread of these viruses through semen and protect cattle herds from infection and reproductive losses.
blue tongue virus
- Blue tongue virus is an orbivirus that causes blue tongue disease, a non-contagious disease of domestic and wild ruminants spread by midges. It primarily affects sheep but can also infect cattle and goats.
- The virus replicates in lymph nodes after infection and spreads through the bloodstream. In sheep, it causes fever, swelling of the lips and tongue (which become purple) and lameness. Mortality can be high in infected sheep. Cattle typically only show mild or subclinical symptoms.
- The virus is transmitted between ruminants by bites from infected midges of the culicoides genus. Live attenuated and inactivated vaccines provide effective control of the disease.
Infectious laryngotracheitis - poultry
Infectious laryngotracheitis (ILT) is an economically important respiratory disease of poultry. This highly contagious disease is caused by Gallid alpha herpesvirus type 1 (GaHV-1), commonly known as infectious laryngotracheitis virus (ILTV). The virus can be easily transmitted by infected birds and fomites. Lax biosecurity, transportation of infected birds, and spread of contaminated litter facilitates spread of the virus. Clinical signs of respiratory disease are not pathognomonic. Diagnosis is by real-time PCR and histopathology . Implementation of biosecurity is necessary for prevention, but vaccination is commonly used for control of the disease in endemic regions worldwide.
Classical swine fever
This document provides information about Classical Swine Fever (CSF), a highly contagious viral disease affecting pigs. It describes the epidemiology, transmission, clinical signs, pathology, diagnosis and prevention of the disease. CSF is present worldwide and can cause severe economic losses in swine farming. The causative agent is a pestivirus from the Flaviviridae family. Clinical signs vary depending on the strain virulence and host factors, and may include fever, hemorrhages, vomiting and high mortality rates. Post-mortem lesions include hemorrhages in lymph nodes and organs and characteristic "button ulcers" in the intestine. Diagnosis involves virus isolation, antigen detection and serology tests. Controlling outbreaks requires
Myxovirus.pptx
The document discusses the classification and properties of myxoviruses. It describes myxoviruses as enveloped RNA viruses that can cause diseases like influenza, mumps and measles. Myxoviruses are classified into two families - Orthomyxoviridae and Paramyxoviridae. Orthomyxoviridae includes influenza viruses which are spherical or filamentous and cause influenza in humans and animals. Paramyxoviridae includes viruses that cause mumps, measles and other respiratory diseases in humans. Both families have viruses with spike proteins on the envelope and segmented RNA genomes.
mareks disease.ppt
Marek's disease is a highly contagious lymphoproliferative disease of chickens caused by a herpes virus. It is characterized by mononuclear infiltration and tumors in lymph nodes, muscles, and internal organs. Clinical signs include paralysis of legs and wings. Gross lesions include enlargement of peripheral nerves and lymphoid tumors in visceral organs. The virus is transmitted through inhalation of dander and feathers and infects lymphocytes. Vaccination is the primary prevention method though it does not prevent infection but reduces disease severity.
Congo virus
The document discusses the Crimean-Congo hemorrhagic fever virus, which causes severe outbreaks with mortality rates from 2-50%. It is transmitted by ticks and can also spread between humans. The virus is spherical, contains negative-sense RNA, and belongs to the Nairovirus genus. It replicates in cells and damages the immune system and endothelium. Symptoms include fever and hemorrhaging. Diagnosis involves serology and PCR tests. Treatment focuses on intensive care and supportive therapies, while prevention emphasizes reducing tick bites and proper hygiene when handling animals or humans.
Avian influenza
AVIAN INFLUENZA (AI) is a viral influenza of birds including chickens, turkeys, guinea fowls, and other avian species.
Fowl pox
This document discusses fowl pox, a contagious viral disease that mainly affects chickens and turkeys. It is caused by the avipoxvirus, an enveloped brick-shaped virus transmitted through mosquitoes, contaminated surfaces/air, water, feed, or scales from infected birds. The disease presents as cutaneous wart-like growths (dry form), white patches in the mouth/throat (wet form), or eruptions around the eyes and nose. Diagnosis involves identifying characteristic lesions or detecting viral inclusions. Prevention focuses on vaccination and controlling mosquitoes and biosecurity measures. Treatment involves antibiotics in water or ointments to soften lesions.
Bioterror_120530.ppt
Bioterrorism using biological agents has occurred throughout history. Microbial pathogens have been used as weapons of war, including poisoning water supplies with ergot fungus and spreading smallpox via contaminated blankets. The CDC classifies potential biothreat agents as Category A, B, or C based on factors such as ease of transmission, mortality rates, and potential for social disruption. Category A agents posing the highest risk include anthrax, plague, smallpox, tularemia, and viral hemorrhagic fevers. Anthrax spores can remain dormant for weeks before causing infection and was a bioweapon in 2001 attacks in the US. Symptoms depend on route of exposure but can include flu-like illness
Calf pneumonia
This document discusses bovine respiratory disease (BRD) in calves, which is caused by various viruses and bacteria. It can cause pneumonia of varying severity. Common viral causes include respiratory syncytial virus, parainfluenza 3, and bovine viral diarrhea virus. Bacterial pathogens like Mannheimia haemolytica may cause secondary infections. Calves aged 2-5 months are most susceptible. Clinical signs include cough, nasal discharge, fever and respiratory distress. Diagnosis involves virus isolation, serology and histopathology. Treatment consists of antibiotics and supportive care. Vaccination helps control the spread of BRD.
Current trend in broiler farming
For the current year, poultry meat production is expected to reach 45 225 million metric tons and exports are expected to reach 3323 million metric tons. Likewise, a 0.3% increase in per capita broiler consumption is expected for 2022 compared to the previous year
Cost analysis of broiler farming
This document discusses the importance of cost analysis for broiler farming projects. It provides examples of fixed costs like land and equipment, and variable costs like feed and chicks. Calculating total expenditures allows farmers to establish goals, reduce risks, and evaluate profits. For the example broiler project, total income was around Rs. 117,344 while total expenditures were approximately Rs. 462,469, resulting in a loss of Rs. 345,125 when factoring in fixed costs like land. Proper management can help reduce costs and improve profits over time.
More Related Content
Similar to Common Viral Diseases in Broiler Chicks
Dr Fares El-khayat -Infectious bursal disease
- Infectious Bursal Disease (IBD), also known as Gumboro disease, is a highly contagious viral disease affecting young chickens.
- It is caused by a birnavirus that infects and destroys lymphocytes in the bursa of Fabricius, causing immunosuppression. This predisposes chickens to other diseases.
- Clinical signs include self-vent pecking, diarrhea, tremors, and mortality up to 20% in severe outbreaks. Post-mortem lesions include enlarged or atrophied bursa and hemorrhages. Diagnosis involves virus isolation from the bursa or serological tests.
Enteroviruses-1(0).pdf
This document discusses enteroviruses, including their structure, classification, pathogenesis, clinical manifestations, diagnosis and prevention. It covers several enterovirus genera including polioviruses, coxsackieviruses, echoviruses and newly identified enteroviruses. Poliovirus is targeted for eradication through vaccination programs using both live attenuated oral polio vaccine and inactivated intramuscular polio vaccine. Enteroviruses can cause a variety of diseases from mild febrile illness to paralysis, meningitis, myocarditis and neonatal infection. Diagnosis involves virus isolation in cell culture and molecular techniques like RT-PCR. There is no antiviral treatment except supportive care, though immunoglobulins
Brucellosis ppt
Brucellosis is caused by bacteria of the genus Brucella and is a major zoonotic disease transmitted from animals to humans. It causes flu-like symptoms such as fever, sweats, and joint pain in humans. The disease is widespread globally in areas where infection is common in livestock like sheep, goats and cattle. Diagnosis involves serological tests to detect antibodies and culturing Brucella from blood or tissues. Treatment requires prolonged antibiotic therapy. Vaccination of livestock and pasteurization of dairy products are important for control and prevention.
Congo fever
Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne viral disease carried by Hyalomma ticks and transmitted to humans via tick bites or contact with infected animal blood. The virus is endemic in Africa, the Middle East, Asia, and the Balkans. It causes severe hemorrhagic fever in humans with flu-like symptoms initially, which can develop into vomiting blood, black stools, liver swelling, and shock. The disease has a high fatality rate of around 30% and is diagnosed through blood tests and tissue sampling. There is no vaccine available though supportive care and ribavirin treatment may help recovery. Prevention involves avoiding tick bites and reducing contact with potentially infected
Fowl pox and treatment
Fowl pox is a contagious viral disease that mainly affects chickens and turkeys. It is caused by the avipoxvirus, an enveloped brick-shaped virus transmitted through mosquitoes, contaminated surfaces/air, or direct contact. The disease presents with three main forms: cutaneous/dry form features wart-like skin growths; diphtheritic/wet form causes white patches in the mouth and throat; oculonasal form causes eye and nose swelling and discharge. Diagnosis is based on characteristic lesions and PCR testing can confirm presence of virus. Prevention focuses on vaccination and controlling mosquitoes while treatment involves antibiotics, ointments, and sanitation.
Avian Infectious Bronchitis IB Disease
Infectious Bronchitis is a highly contagious viral disease affecting chickens worldwide. It causes respiratory disease and drops in egg production. The document outlines the etiology, transmission, economic impact, pathogenesis, clinical signs, post-mortem lesions, and diagnosis of the disease. Definitive diagnosis requires isolation or identification of the Infectious Bronchitis Virus through laboratory tests.
respiratory diseases of poltry
This document summarizes several common respiratory diseases that affect poultry: aspergillosis, avian cholera, avian influenza, fowl pox, infectious bronchitis, infectious laryngotracheitis, mycoplasma gallisepticum, and Newcastle disease. For each disease, the summary includes the causative agent, clinical signs, diagnosis, and treatment or prevention methods. The diseases can cause respiratory distress, decreased feed intake, egg production drops, and mortality. Accurate diagnosis is important for effective treatment and control of spread. Improving ventilation, sanitation measures, and vaccination are recommended for prevention depending on the specific disease.
Newcastle disease.pdf
Newcastle disease (ND) is a viral disease affecting wild and
domestic birds. It is characterized by a high variability in
morbidity, mortality,
ND primarily affects chickens and turkeys, but most poultry
and many wild and domestic birds are susceptible.
Viral causes of infertilty in male (Cattle, buffalo and others)
This document discusses several viral diseases that can be transmitted through semen and cause infertility in male cattle. It provides details on infectious bovine rhinotracheitis (IBR), bovine viral diarrhea (BVD), foot and mouth disease (FMD), and vesicular stomatitis. For each disease, it describes the etiology, transmission, clinical signs, diagnosis, and methods for prevention and control. The document emphasizes that strict biosecurity measures must be implemented to prevent the spread of these viruses through semen and protect cattle herds from infection and reproductive losses.
blue tongue virus
- Blue tongue virus is an orbivirus that causes blue tongue disease, a non-contagious disease of domestic and wild ruminants spread by midges. It primarily affects sheep but can also infect cattle and goats.
- The virus replicates in lymph nodes after infection and spreads through the bloodstream. In sheep, it causes fever, swelling of the lips and tongue (which become purple) and lameness. Mortality can be high in infected sheep. Cattle typically only show mild or subclinical symptoms.
- The virus is transmitted between ruminants by bites from infected midges of the culicoides genus. Live attenuated and inactivated vaccines provide effective control of the disease.
Infectious laryngotracheitis - poultry
Infectious laryngotracheitis (ILT) is an economically important respiratory disease of poultry. This highly contagious disease is caused by Gallid alpha herpesvirus type 1 (GaHV-1), commonly known as infectious laryngotracheitis virus (ILTV). The virus can be easily transmitted by infected birds and fomites. Lax biosecurity, transportation of infected birds, and spread of contaminated litter facilitates spread of the virus. Clinical signs of respiratory disease are not pathognomonic. Diagnosis is by real-time PCR and histopathology . Implementation of biosecurity is necessary for prevention, but vaccination is commonly used for control of the disease in endemic regions worldwide.
Classical swine fever
This document provides information about Classical Swine Fever (CSF), a highly contagious viral disease affecting pigs. It describes the epidemiology, transmission, clinical signs, pathology, diagnosis and prevention of the disease. CSF is present worldwide and can cause severe economic losses in swine farming. The causative agent is a pestivirus from the Flaviviridae family. Clinical signs vary depending on the strain virulence and host factors, and may include fever, hemorrhages, vomiting and high mortality rates. Post-mortem lesions include hemorrhages in lymph nodes and organs and characteristic "button ulcers" in the intestine. Diagnosis involves virus isolation, antigen detection and serology tests. Controlling outbreaks requires
Myxovirus.pptx
The document discusses the classification and properties of myxoviruses. It describes myxoviruses as enveloped RNA viruses that can cause diseases like influenza, mumps and measles. Myxoviruses are classified into two families - Orthomyxoviridae and Paramyxoviridae. Orthomyxoviridae includes influenza viruses which are spherical or filamentous and cause influenza in humans and animals. Paramyxoviridae includes viruses that cause mumps, measles and other respiratory diseases in humans. Both families have viruses with spike proteins on the envelope and segmented RNA genomes.
mareks disease.ppt
Marek's disease is a highly contagious lymphoproliferative disease of chickens caused by a herpes virus. It is characterized by mononuclear infiltration and tumors in lymph nodes, muscles, and internal organs. Clinical signs include paralysis of legs and wings. Gross lesions include enlargement of peripheral nerves and lymphoid tumors in visceral organs. The virus is transmitted through inhalation of dander and feathers and infects lymphocytes. Vaccination is the primary prevention method though it does not prevent infection but reduces disease severity.
Congo virus
The document discusses the Crimean-Congo hemorrhagic fever virus, which causes severe outbreaks with mortality rates from 2-50%. It is transmitted by ticks and can also spread between humans. The virus is spherical, contains negative-sense RNA, and belongs to the Nairovirus genus. It replicates in cells and damages the immune system and endothelium. Symptoms include fever and hemorrhaging. Diagnosis involves serology and PCR tests. Treatment focuses on intensive care and supportive therapies, while prevention emphasizes reducing tick bites and proper hygiene when handling animals or humans.
Avian influenza
AVIAN INFLUENZA (AI) is a viral influenza of birds including chickens, turkeys, guinea fowls, and other avian species.
Fowl pox
This document discusses fowl pox, a contagious viral disease that mainly affects chickens and turkeys. It is caused by the avipoxvirus, an enveloped brick-shaped virus transmitted through mosquitoes, contaminated surfaces/air, water, feed, or scales from infected birds. The disease presents as cutaneous wart-like growths (dry form), white patches in the mouth/throat (wet form), or eruptions around the eyes and nose. Diagnosis involves identifying characteristic lesions or detecting viral inclusions. Prevention focuses on vaccination and controlling mosquitoes and biosecurity measures. Treatment involves antibiotics in water or ointments to soften lesions.
Bioterror_120530.ppt
Bioterrorism using biological agents has occurred throughout history. Microbial pathogens have been used as weapons of war, including poisoning water supplies with ergot fungus and spreading smallpox via contaminated blankets. The CDC classifies potential biothreat agents as Category A, B, or C based on factors such as ease of transmission, mortality rates, and potential for social disruption. Category A agents posing the highest risk include anthrax, plague, smallpox, tularemia, and viral hemorrhagic fevers. Anthrax spores can remain dormant for weeks before causing infection and was a bioweapon in 2001 attacks in the US. Symptoms depend on route of exposure but can include flu-like illness
Calf pneumonia
This document discusses bovine respiratory disease (BRD) in calves, which is caused by various viruses and bacteria. It can cause pneumonia of varying severity. Common viral causes include respiratory syncytial virus, parainfluenza 3, and bovine viral diarrhea virus. Bacterial pathogens like Mannheimia haemolytica may cause secondary infections. Calves aged 2-5 months are most susceptible. Clinical signs include cough, nasal discharge, fever and respiratory distress. Diagnosis involves virus isolation, serology and histopathology. Treatment consists of antibiotics and supportive care. Vaccination helps control the spread of BRD.
Similar to Common Viral Diseases in Broiler Chicks (20)
Viral causes of infertilty in male (Cattle, buffalo and others)
Viral causes of infertilty in male (Cattle, buffalo and others)
More from Sachith Sri Mihiraj
Current trend in broiler farming
For the current year, poultry meat production is expected to reach 45 225 million metric tons and exports are expected to reach 3323 million metric tons. Likewise, a 0.3% increase in per capita broiler consumption is expected for 2022 compared to the previous year
Cost analysis of broiler farming
This document discusses the importance of cost analysis for broiler farming projects. It provides examples of fixed costs like land and equipment, and variable costs like feed and chicks. Calculating total expenditures allows farmers to establish goals, reduce risks, and evaluate profits. For the example broiler project, total income was around Rs. 117,344 while total expenditures were approximately Rs. 462,469, resulting in a loss of Rs. 345,125 when factoring in fixed costs like land. Proper management can help reduce costs and improve profits over time.
Economic importance of broiler industry
Depending on the farm size, broiler farming can be the main source of family income or can provide subsidiary income and gainful employment to farmers throughout the year. Poultry manure is of high fertilizer value which can be used for increasing the yield of all crops
Waste management in broiler industry
Worldwide, there are several ways of disposing of poultry waste including; burial, rendering, incineration, compositing, feed for livestock, fertilizer or source of energy. Each disposal option has advantages and disadvantages
Health and biosecurity of broiler industry
Biosecurity practices and farm hygiene are implemented on poultry farms to reduce the risk of disease agents moving on to farms from outside sources (eg wild bird populations or from other farms), the movement of disease agents between sheds on the same farm,
Usage of Antibiotics in broiler production
Antibiotic usage for disease prevention is permitted in all large poultry-producing countries. Antibiotics are applied for the treatment of intestinal infections such as colibacillosis, necrotic enteritis, and other diseases generally caused by Salmonella, E. coli, or Clostridium spp
Vaccination Schedule
Vaccination programs for broilers are an essential tool for disease prevention, particularly for viral diseases, in poultry farming. It causes an immune response in birds to protect them from the field infection
Spreading of broiler diseases
The disease can be spread by: people - including through clothing, hands and footwear. domestic and wild birds - through droppings, feathers and discharges from the nose and mouth. contaminated equipment and vehicles
Common bacterial diseases in broilers
Colibacillosis (Coliform infections) Problems attributed to coliform infections are often caused by strains of the Escherichia coli organism. ...
Mycoplasmosis (CRD, Air sac, Sinusitis) ...
Fowl Cholera. ...
Necrotic Enteritis. ...
Ulcerative Enteritis (Quail disease) ...
Pullorum Disease. ...
Fowl Typhoid. ...
Botulism.
Common Parasitic Diseases in Poultry
The main external parasites that are problematic for poultry are mites and lice. Mite parasites feed on the blood of chickens and can cause anaemia and possible death, while lice feed on dander and feathers. The red mite causes the most problems in poultry.
Broiler Processing - Slaughtering - Packaging
Slaughtering refers to the killing of livestock. The slaughter involves some initial cutting, and opening, of the major body cavities to remove the entrails but usually leaves the carcass in one piece. Later the carcass is butchered into small cuts and that process has few steps.
This presentation helps to get some brief idea about the slaughtering process.
Record keeping in broiler production
A chart for recording all production input metrics against their respective production outcomes throughout the broiler growing process. feed intake, water intake, body weight, egg production, egg weight, climate and ventilation.
Broiler feeding
Broiler chicks require broiler starter feed for the first four weeks of their life. The broiler starter feed should be at least 20 per cent protein, preferably 23 per cent protein. After four weeks, you should feed a 19 per cent protein feed.
Broiler Brooder management
Cleaning and disinfection of poultry house. Spreading litter material. Form a circle of about 5 feet in diameter with a brooder guard which can hold about 200 to 250 chicks. Newspapers, heat source, feeder and waterer arrangements inside the brooder guard. The birds should be allowed to occupy the whole house by the time they are three (3) weeks old.
Buyback System and All in All out System in Broiler Farming.pptx
Broiler farming needs very little investment since it can be grown and marketed within six weeks. In the all-out all-in system, the farm will have only one batch of broilers, belonging to the same hatch at any time. The Buy-back system is one type of contract farming primarily practised in the broiler industry.
Slaughtering procedure of broilers
The document outlines the major steps in the slaughtering process of broiler birds, including ante-mortem inspection of live birds, feed withdrawal, catching and transporting the birds, unloading them, immobilizing them, stunning or killing them humanely, and bleeding them to ensure death. Key aspects of each step like minimizing stress and injuries to the birds, food safety practices, and religious requirements for halal and haram methods are described. The overall goal of the process is to scientifically butcher broiler birds in a way that is humane and produces meat suitable for human consumption.
Types of broiler houses
So many different types of broiler sheds in the world. this presentation has common broiler houses.
Why housing is important?
Success of broiler farming Proper management
Assuring right type of poultry house suited to climate or more specifically physical environment,
- Optimum production
- Control of diseases
Objectives of Housing
Provide comfort for the birds.
Provide protection from extreme weather conditions and predators.
Facilitate convenient management.
To provide suitable environment conditions.
Management of broiler chicks
A healthy breeding stock should be maintain in the hatchery. Generally 10% of the chicks are not in required body conditions. etc...
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- 1. Sachith Sri Mihiraj BSc (Special), M.Agri
- 2. • What is a Viral Disease? A disease that occurs, when an organism's susceptible body cells are invaded by a pathogenic virus or infectious virus particles.
- 3. Common Viral Diseases in Broilers • Infectious Bursal Disease (Gumboro) • Newcastle Disease • Fowl Pox • Infectious Bronchitis (IB)
- 4. Infectious Bursal Disease (Gumboro) • Etiology : caused by IBD virus from Birnaviridae family of RNA virus • Mode of Infection : very infectious and spread easily from chick to chick by droppings Transmission between farms through infected clothing and equipment.
- 5. • Clinical Signs : seen only in chicken older than 3 weeks Feathers around the vent are stained with feces containing plenty of urates. injured bursa leads to immunosuppression Plus, watery white diarrhea, anorexia, depression, ruffled feathers in neck and head region. • Control and prevention : Gumboro vaccine is recommended
- 6. Newcastle Disease • Etiology :caused by Paramyxovirus (APMV – 1) • Mode of transmission : by air, feed bags, infected dead birds, infected houses and rodents • Clinical signs : paralyzed wings and legs, twisted necks, depression, watery greenish diarrhea, swelling of the tissues of the head and neck, trembling, watery discharge from nostrils and labored breathing • Control and prevention: No specific treatment. Antibiotic treatment of secondary bacterial infections
- 7. Fowl Pox • Etiology :caused by a Poxvirus • Mode of transmission : -By direct contact of infected or susceptible birds -By mosquitos and blood sucking arthropods • Clinical signs : diphtheritic lesions • Control and prevention : vaccination
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