Common diseases of cattle
- in pathology view (in India)
Dr.Pavulraj. S
M.V.Sc., Scholar(NRCE)
Division of Pathology
India...
List of common diseases
Bacterial diseases
• Tuberculosis
• Paratuberculosis
• Brucellosis
• Hemorrhagic septicemia
• Join...
Tuberculosis
• Chronic bacterial disease of animal
• Caused by Mycobacterium
tuberculosis, M.bovis
• Characterized by pres...
Granuloma in the lungs

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE),...
Consolidation of lung

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE), ...
Tuberculous granuloma in the
mediastinal lymph node

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., P...
Nodules of tubercle present in lung
containing cheesy mass

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V...
Granulomatous lesion in LN, liver,
intestine

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Patholog...
Spleen- Caseous nodules on the
surface

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scho...
TB- Nodules on the diaphragm, liver
and spleen

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathol...
Tubercle in
pleura, masentry, peritoneum – pearl’s
disease

Friday, October 18, 2013

Dr.Pavulraj.S, (original author) M.V...
Uterus -Endometrium contains
numerous raised tubercles

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc....
TB- Mastitis and granuloma in the
bone marrow

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Patholo...
Differential diagnosis
• Lung abscesses
• Pleurisy and pericarditis - traumatic reticulitis
• Contagious bovine pleuro pne...
Paratuberculosis
• A chronic bacterial disease of bovine, ovine
and caprine
• Caused by Mycobacterium avium sub sp.
paratu...
Emaciation and cachexia

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE)...
Mesenteric lymph nodes enlarged

Friday, October 18, 2013

Dr.Pavulraj.S, (original author) M.V.Sc.,
Pathology scholar, IV...
Thickened, edematous ileum and distended
lymphatics on the serosal surface

Friday, October 18, 2013

Dr.Pavulraj.S, (copy...
Thickening of intestine wall

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(...
Presence of corrugations

Friday, October 18, 2013

Dr.Pavulraj.S, (original author) M.V.Sc.,
Pathology scholar, IVRI(NRCE...
Corrugations can’t be removed even
after stretching of intestine wall – look
like brain

Friday, October 18, 2013

Dr.Pavu...
Differential diagnosis
• Parasitism
• Malnutrition

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pa...
Brucellosis
• It is a infectious bacterial disease of animals
• Characterized by abortion in late gestation
and formation ...
Edematous placenta

yellowish granular necrotic areas in cotyledons
and chorion is opaque and thickened with a
leathery co...
Edema of fetus, serosanguinous fluid
in body cavities

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc.,...
Pneumonia and necrotic foci in liver of
fetus

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Patholo...
Enlarged scrotum in males

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRC...
Orchitis

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE), India

28
Hygroma

Friday, October 18, 2013

Dr.Pavulraj.S, (original author) M.V.Sc.,
Pathology scholar, IVRI(NRCE), India

29
Differential diagnosis
•
•
•
•
•

IBR
Vibriosis
Leptospirosis
Trichomoniasis
Nutritional and physiological causes

Friday,...
Hemorrhagic septicemia
• Highly contagious bacterial disease of bovine
• Characterized by edematous swelling in neck
regio...
Edema of neck and brisket region

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, I...
Subcutaneous edema

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE), Ind...
Serosanguinous fluid in
peritoneal, pleural and pericardial
cavity

Serosanguinous fluid in pericardial cavity

Friday, Oc...
Epicardial hemorrhages

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE),...
HS- Petechial on the Heart and Lung

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar...
Pneumonia

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE), India

37
Lungs – congested and consolidated –
marbling

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
- Fibrinous bron...
HS- Hemorrhage on the serosal surface

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
schol...
Hemorrhagic gastro-enteritis

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(...
HS- Chronic cases- Necrotic patch on
the liver

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathol...
Hemorrhage - Brain

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE), Ind...
Differential diagnosis
•
•
•
•

Anthrax
Blackleg
Acute leptospirosis
Rinderpest

Friday, October 18, 2013

Dr.Pavulraj.S, ...
Foot and mouth
• It is a contagious viral disease of cloven footed
animals
• Caused by Picorna virus
• Characterized by pr...
FMD: Mouth lesions

Friday, October 18, 2013

Dr.Pavulraj.S, (original author) M.V.Sc.,
Pathology scholar, IVRI(NRCE), Ind...
Ruptured vesicle in gum

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE)...
Vesicles causing
extensive erosion in mouth

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology...
Infected FMD lesion - tongue

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(...
Ulceration of tongue

Friday, October 18, 2013

Dr.Pavulraj.S, (original author) M.V.Sc.,
Pathology scholar, IVRI(NRCE), I...
Rupture of vesicle leading to necrotic area in feet

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., P...
Vesicle on teat

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE), India
...
Ruptured vesicle in the teat

Friday, October 18, 2013

Dr.Pavulraj.S, (original author) M.V.Sc.,
Pathology scholar, IVRI(...
Erosions on the ruminal mucosa

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVR...
Tigroid appearance - Degeneration
and necrosis in myocardium

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M...
Differential diagnosis
•
•
•
•
•

Vesicular stomatitis
Infectious bovine rhinotracheitis
Malignant catarrhal fever
Bovine ...
Infectious bovine rhino tracheitis
• Infectious viral disease of cattle
• Caused by Herpes virus
• Characterized by conjun...
Congested mucus membrane

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE...
Purulent oculo-nasal discharge

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVR...
Necrotic white plaques in nasal mucosa

Friday, October 18, 2013

Necrotic plaques on the mucosa and
mucocutaneous junctio...
Multifocal white plaques - palpebral
conjunctiva

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Path...
Hemorrhagic laryngotracheitis

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI...
Rhinotracheitis, mucopurulent exudate
in trachea

Nasal septum necrosis
Friday, October 18, 2013

Dr.Pavulraj.S, (original...
Pustules in vulva/vagina, glans penis
and prepuce

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pat...
Necrotic lesion in liver of aborted fetus

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
s...
Differential diagnosis
•
•
•
•

Shipping Fever
Malignant Catarrhal Fever
Pinkeye
Mucosal Disease

Friday, October 18, 2013...
Rinderpest
• Is a acute contagious viral disease caused by
Morbilli virus
• Characterized by erosive mouth lesions and
hem...
•Salivation:
excessive & frothy
•Serous oculonasal
discharge

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M...
Conjunctivitis

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE), India

...
Necrosis and erosion of the gum above
the dental pad and inside the upper lip

Friday, October 18, 2013

Dr.Pavulraj.S, (o...
Erosions in the inside of the upper lip

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
sch...
Ulcer on lower lip

Friday, October 18, 2013

Dr.Pavulraj.S, (original author) M.V.Sc.,
Pathology scholar, IVRI(NRCE), Ind...
Necrotic Peyer's patches

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE...
Rectum - Hyperemia of the
longitudinal folds (zebra striping)

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
...
Zebra marking in large intestine

Some time petechial hemorrhage in
Dr.Pavulraj.S, (original author) M.V.Sc.,
Friday,bladd...
Differential diagnosis
• Mucosal disease
• Malignant catarrhal fever
• Foot and mouth disease

Friday, October 18, 2013

D...
Theileriosis
• Infectious disease of animal caused by
haemoprotozoan parasite
• Characterized by enlargement of lymph
node...
Lymph node enlargement

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE),...
Enlarged and hemorrhagic lymph
nodes

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
schola...
Abomasal ulcers

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE), India
...
Swollen edematous lungs & interstitial pneumonia

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Path...
Other lesions
• Enlarged and mottled liver
• Infarcts, thrombosis and lymphoid
hypertrophy in spleen
• Hemorrhagic and ulc...
Differential diagnosis
• Hemorrhagic septicemia
• Babesiosis
• Malignant catarrhal fever

Friday, October 18, 2013

Dr.Pav...
Fascioliasis
• Fascioliasis is caused by different liver
flukes(Trematode)
• Etiology
– Fasciola gigantica
– Fasciola hepa...
• Emaciated, anemic or edematous carcass in
severe chronic infestations
• Presence of flukes in enlarged and thickened
bil...
Submandibular edema

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE), In...
Flukes in bile ducts and liver
parenchyma

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
s...
Thickening of bile duct

Friday, October 18, 2013

Dr.Pavulraj.S, (original author) M.V.Sc.,
Pathology scholar, IVRI(NRCE)...
Young fluke of Fasciola magna

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI...
Joint ill/ naval ill/ omphalitis
• Infectious disease of newborn animal
• Infection start at umbilicus and spread to
joint...
• Seen in colostrum denied young calves
• Infection of umbilicus lead to omphalitis &
cystitis
• Bacterial infection produ...
Swelling of umbilicus

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE), ...
Swelling of the joints

Septic arthritis involving the distal
limb, fetlocks and pastern joints in all limbs

Friday, Octo...
Discharge of pus from the joints

Large fibrin clots in the carpal joint
Friday, October 18, 2013

Dr.Pavulraj.S, (origina...
Liver abscess

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., Pathology
scholar, IVRI(NRCE), India

9...
Grey foci in renal cortex and
hemorrhage in medulla

Friday, October 18, 2013

Dr.Pavulraj.S, (original author)
M.V.Sc., P...
Differential diagnosis
• Hematoma – contain blood
• Umbilical hernia – hernial ring, sac, contents
• Patent urachus – rete...
Thank you
For your kind attention and
reading. Be the best and proud
to be a ‘Great

Veterinarian’

Friday, October 18, 20...
References
• Color atlas of diseases and disorders of cattle
-Roger W.Blowey
• Rebhun’s Disease of dairy cattle
-Thomas J....
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Common cattle diseases by Dr.Pavulraj.S, M.V.Sc., Pathology scholar, IVRI (NRCE), India

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important bacterial, viral and parasitic diseases of cattle with good quality images for veterinarians in filed and college as well for better diagnosis of diseases in quick review form in presentation mode

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Common cattle diseases by Dr.Pavulraj.S, M.V.Sc., Pathology scholar, IVRI (NRCE), India

  1. 1. Common diseases of cattle - in pathology view (in India) Dr.Pavulraj. S M.V.Sc., Scholar(NRCE) Division of Pathology Indian Veterinary Research Institute, Izatnagar, Bareilly, U.P., India Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 1
  2. 2. List of common diseases Bacterial diseases • Tuberculosis • Paratuberculosis • Brucellosis • Hemorrhagic septicemia • Joint ill/ naval ill/ omphalitis Viral diseases • Foot and mouth diseases • Infectious bovine rhino tracheitis • Rinderpest Haemoprotozoan disease • Theileriosis Parasitic disease • Fascioliasis Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 2
  3. 3. Tuberculosis • Chronic bacterial disease of animal • Caused by Mycobacterium tuberculosis, M.bovis • Characterized by presence of tubercle nodules in lungs, spleen, lymphnodes Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 3
  4. 4. Granuloma in the lungs Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 4
  5. 5. Consolidation of lung Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 5
  6. 6. Tuberculous granuloma in the mediastinal lymph node Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 6
  7. 7. Nodules of tubercle present in lung containing cheesy mass Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 7
  8. 8. Granulomatous lesion in LN, liver, intestine Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 8
  9. 9. Spleen- Caseous nodules on the surface Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 9
  10. 10. TB- Nodules on the diaphragm, liver and spleen Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 10
  11. 11. Tubercle in pleura, masentry, peritoneum – pearl’s disease Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 11
  12. 12. Uterus -Endometrium contains numerous raised tubercles Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 12
  13. 13. TB- Mastitis and granuloma in the bone marrow Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 13
  14. 14. Differential diagnosis • Lung abscesses • Pleurisy and pericarditis - traumatic reticulitis • Contagious bovine pleuro pneumonia Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 14
  15. 15. Paratuberculosis • A chronic bacterial disease of bovine, ovine and caprine • Caused by Mycobacterium avium sub sp. paratuberculosis • Characterized by dehydration, emaciation, chronic diarrrhoea and thickening of intestine - corrugations Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 15
  16. 16. Emaciation and cachexia Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 16
  17. 17. Mesenteric lymph nodes enlarged Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 17
  18. 18. Thickened, edematous ileum and distended lymphatics on the serosal surface Friday, October 18, 2013 Dr.Pavulraj.S, (copy right protected) M.V.Sc., Pathology scholar, IVRI(NRCE), India 18
  19. 19. Thickening of intestine wall Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 19
  20. 20. Presence of corrugations Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 20
  21. 21. Corrugations can’t be removed even after stretching of intestine wall – look like brain Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 21
  22. 22. Differential diagnosis • Parasitism • Malnutrition Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 22
  23. 23. Brucellosis • It is a infectious bacterial disease of animals • Characterized by abortion in late gestation and formation of granulomatous lesions in genital organs, joints, fetal liver and indurations of mammary glands • Caused by Brucella abortus in cattle Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 23
  24. 24. Edematous placenta yellowish granular necrotic areas in cotyledons and chorion is opaque and thickened with a leathery consistency. Called leathery placenta. Friday, October 18, 2013 Dr.Pavulraj.S, (original author) Necrosis M.V.Sc., Pathology scholar, IVRI(NRCE), India of cotyledons 24
  25. 25. Edema of fetus, serosanguinous fluid in body cavities Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 25
  26. 26. Pneumonia and necrotic foci in liver of fetus Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 26
  27. 27. Enlarged scrotum in males Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 27
  28. 28. Orchitis Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 28
  29. 29. Hygroma Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 29
  30. 30. Differential diagnosis • • • • • IBR Vibriosis Leptospirosis Trichomoniasis Nutritional and physiological causes Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 30
  31. 31. Hemorrhagic septicemia • Highly contagious bacterial disease of bovine • Characterized by edematous swelling in neck region, pneumonia and wide spread of hemorrhage in visceral organs • Caused by Pasteurella multocida Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 31
  32. 32. Edema of neck and brisket region Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 32
  33. 33. Subcutaneous edema Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 33
  34. 34. Serosanguinous fluid in peritoneal, pleural and pericardial cavity Serosanguinous fluid in pericardial cavity Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 34
  35. 35. Epicardial hemorrhages Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 35
  36. 36. HS- Petechial on the Heart and Lung Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 36
  37. 37. Pneumonia Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 37
  38. 38. Lungs – congested and consolidated – marbling Friday, October 18, 2013 Dr.Pavulraj.S, (original author) - Fibrinous bronchopneumonia M.V.Sc., Pathology scholar, IVRI(NRCE), India 38
  39. 39. HS- Hemorrhage on the serosal surface Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 39
  40. 40. Hemorrhagic gastro-enteritis Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 40
  41. 41. HS- Chronic cases- Necrotic patch on the liver Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 41
  42. 42. Hemorrhage - Brain Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 42
  43. 43. Differential diagnosis • • • • Anthrax Blackleg Acute leptospirosis Rinderpest Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 43
  44. 44. Foot and mouth • It is a contagious viral disease of cloven footed animals • Caused by Picorna virus • Characterized by presence of vesicles in oral mucosa and foot Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 44
  45. 45. FMD: Mouth lesions Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 45
  46. 46. Ruptured vesicle in gum Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 46
  47. 47. Vesicles causing extensive erosion in mouth Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 47
  48. 48. Infected FMD lesion - tongue Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 48
  49. 49. Ulceration of tongue Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 49
  50. 50. Rupture of vesicle leading to necrotic area in feet Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 50
  51. 51. Vesicle on teat Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 51
  52. 52. Ruptured vesicle in the teat Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 52
  53. 53. Erosions on the ruminal mucosa Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 53
  54. 54. Tigroid appearance - Degeneration and necrosis in myocardium Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 54
  55. 55. Differential diagnosis • • • • • Vesicular stomatitis Infectious bovine rhinotracheitis Malignant catarrhal fever Bovine viral diarrhea Rinderpest Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 55
  56. 56. Infectious bovine rhino tracheitis • Infectious viral disease of cattle • Caused by Herpes virus • Characterized by conjunctivitis, hemorrhagic tracheitis, encephalitis in calves and abortion and mastitis in cows Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 56
  57. 57. Congested mucus membrane Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 57
  58. 58. Purulent oculo-nasal discharge Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 58
  59. 59. Necrotic white plaques in nasal mucosa Friday, October 18, 2013 Necrotic plaques on the mucosa and mucocutaneous junction Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 59
  60. 60. Multifocal white plaques - palpebral conjunctiva Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 60
  61. 61. Hemorrhagic laryngotracheitis Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 61
  62. 62. Rhinotracheitis, mucopurulent exudate in trachea Nasal septum necrosis Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 62
  63. 63. Pustules in vulva/vagina, glans penis and prepuce Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 63
  64. 64. Necrotic lesion in liver of aborted fetus Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 64
  65. 65. Differential diagnosis • • • • Shipping Fever Malignant Catarrhal Fever Pinkeye Mucosal Disease Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 65
  66. 66. Rinderpest • Is a acute contagious viral disease caused by Morbilli virus • Characterized by erosive mouth lesions and hemorrhagic enteritis • Has been eradicated from India (25 -06-2006) Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 66
  67. 67. •Salivation: excessive & frothy •Serous oculonasal discharge Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 67
  68. 68. Conjunctivitis Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 68
  69. 69. Necrosis and erosion of the gum above the dental pad and inside the upper lip Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 69
  70. 70. Erosions in the inside of the upper lip Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 70
  71. 71. Ulcer on lower lip Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 71
  72. 72. Necrotic Peyer's patches Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 72
  73. 73. Rectum - Hyperemia of the longitudinal folds (zebra striping) Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 73
  74. 74. Zebra marking in large intestine Some time petechial hemorrhage in Dr.Pavulraj.S, (original author) M.V.Sc., Friday,bladder, vagina and other mucous membrane October 18, 2013 Pathology scholar, IVRI(NRCE), India 74
  75. 75. Differential diagnosis • Mucosal disease • Malignant catarrhal fever • Foot and mouth disease Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 75
  76. 76. Theileriosis • Infectious disease of animal caused by haemoprotozoan parasite • Characterized by enlargement of lymph nodes, pulmonary edema, hemorrhage in kidneys and liver, ulcers in abomasum and catarrhal enteritis • Etiology – Theileria annulata Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 76
  77. 77. Lymph node enlargement Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 77
  78. 78. Enlarged and hemorrhagic lymph nodes Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 78
  79. 79. Abomasal ulcers Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 79
  80. 80. Swollen edematous lungs & interstitial pneumonia Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 80
  81. 81. Other lesions • Enlarged and mottled liver • Infarcts, thrombosis and lymphoid hypertrophy in spleen • Hemorrhagic and ulcerative enteritis Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 81
  82. 82. Differential diagnosis • Hemorrhagic septicemia • Babesiosis • Malignant catarrhal fever Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 82
  83. 83. Fascioliasis • Fascioliasis is caused by different liver flukes(Trematode) • Etiology – Fasciola gigantica – Fasciola hepatica – Fasciola magna - one of the largest of flukes Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 83
  84. 84. • Emaciated, anemic or edematous carcass in severe chronic infestations • Presence of flukes in enlarged and thickened bile ducts and in the liver parenchyma • Hepatic abscesses and secondary bacterial infection • Calcification of bile ducts • Hemorrhagic tracts of migratory immature flukes in the liver and some time lungs in an acute infestation • Icterus due to liver damage Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 84
  85. 85. Submandibular edema Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 85
  86. 86. Flukes in bile ducts and liver parenchyma Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 86
  87. 87. Thickening of bile duct Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 87
  88. 88. Young fluke of Fasciola magna Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 88
  89. 89. Joint ill/ naval ill/ omphalitis • Infectious disease of newborn animal • Infection start at umbilicus and spread to joints • Characterized by swelling of umblilicus & joints and drainage of pus • Caused by – E.coli – Staphylococcus sp., – Actinomyces pyogenes Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 89
  90. 90. • Seen in colostrum denied young calves • Infection of umbilicus lead to omphalitis & cystitis • Bacterial infection produce bacteremia and infect joints leading to arthritis • Abscess formation and congestion of visceral organs Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 90
  91. 91. Swelling of umbilicus Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 91
  92. 92. Swelling of the joints Septic arthritis involving the distal limb, fetlocks and pastern joints in all limbs Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 92
  93. 93. Discharge of pus from the joints Large fibrin clots in the carpal joint Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India Edematous, hyperemic synovial membrane 93
  94. 94. Liver abscess Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 94
  95. 95. Grey foci in renal cortex and hemorrhage in medulla Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 95
  96. 96. Differential diagnosis • Hematoma – contain blood • Umbilical hernia – hernial ring, sac, contents • Patent urachus – retention of urine Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 96
  97. 97. Thank you For your kind attention and reading. Be the best and proud to be a ‘Great Veterinarian’ Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 97
  98. 98. References • Color atlas of diseases and disorders of cattle -Roger W.Blowey • Rebhun’s Disease of dairy cattle -Thomas J.Divers • Veterinary pathology -RS Chauhan • http://compepid.tuskegee.edu • http://www.fao.org Friday, October 18, 2013 Dr.Pavulraj.S, (original author) M.V.Sc., Pathology scholar, IVRI(NRCE), India 98
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