Diseases of sheep and goat

1. Dr. P. Ravikanth Reddy
MVSc, PhD
Guest Faculty
KBR College of Agriculture and Horticulture
Acharya NG Ranga Agricultural University
Dr. YSR Horticulture University

3.  Causative organism – Bacillus anthracis
 Symptoms – Sudden death, blood will not clot, blood
through natural orifices.
 Prevention – Vaccination, do not open the carcass, bury or
burn the dead.
 Treatment – Pencillin in subacute form.
 Others – Spores remain viable for many years in soil.
ANTHRAX

4. ANTHRAX

5.  Causative organism – Clostridium chouveii
 Symptoms – high fever, anorexia, discolouration of skin,
crepitation and depression (like Black Quarter in cattle).
 Prevention – Isolation, Vaccinate the healthy animals,
 Treatment – Antibiotic theraphy.
 Others – Wounds during shearing and docking and
increased protein feeding increases susceptibility.
BLACK LEG

6. Black Leg

7.  Causative organism – Clostridium perfringes
 Symptoms – Acute disease – green diarrhea, convulsions,
staggering, sudden death.
 Prevention – Low feed intake, Vaccination
 Treatment – Antibiotic theraphy.
 Others – By toxins in intestine.
ENTEROTOXAEMIA

8. ENTEROTOXAEMIA

9.  Causative organism – Clostridium tetani
 Symptoms – Stifness of limbs, lock jaw, opisthotonus
(arched back), death.
 Prevention –Vaccination by tetanus toxoid
 Treatment – Antibiotic theraphy.
 Others – Wounds during shearing and docking increases
susceptibility.
TETANUS

10. TETANUS

11.  Causative organism – pasteurella haemolytica
 Symptoms – Coughing, discharge from eyes and nose.
 Prevention – Vaccination.
 Treatment – Antibiotic theraphy.
 Others – Inhalation or infection of the infected material.
PASTEURELLOSIS

12. PASTEURELLOSIS

13.  Causative organism – Mycobacterium paratuberculosis
 Symptoms – mostly in older animals.
 Prevention – Vaccination.
 Treatment – No successful treatment.
 Others – severe economic losses in infected flocks.
JOHNE’S DISEASE
(PARATUBERCULOSIS)

14. JOHNE’S DISEASE

16.  Symptoms – Pyrexia, development of vesicles and
pustules on the skin (fever), course of the disease is 3 to 4
weeks.
 Prevention – Vaccination.
 Treatment – Antibiotics to prevent secondary bacterial
infections.
 Others – Spread by contact and inhalation
SHEEP POX

17. SHEEP POX

18. SHEEP POX

19.  Symptoms – Development of vesicles in the oral cavity
and to the interdigital space, low mortality.
 Prevention – Vaccination.
 Treatment – Antibiotics to prevent secondary bacterial
infections.
 Others – Spread by contact and inhalation.
FOOT AND MOUTH DISEASE

20. FOOT AND MOUTH DISEASE

21.  Symptoms – Formation of papules and pustules with scab.
Lesions mostly on the commissures of lips.
 Prevention –
 Treatment – Antibiotics to prevent secondary bacterial
infections.
 Others – Spread by contact and inhalation.
CONTAGIOUS ECTHYMA (ORF)

22. CONTAGIOUS ECTHYMA (ORF)

23.  Symptoms – Pyrexia upto 1060F, salivation, cyanotic nasal
and oral mucosa and tounge.
 Prevention – Vaccination
 Treatment – Antibiotics to prevent secondary bacterial
infections.
 Others – Transmission through insect vectors (Culicodes
(biting midges)).
BLUE TOUNGE

24. BLUE TOUNGE

25. Biting midge – Blue tounge

26.  Symptoms – Fever, nasal and ocular discharges,
respiratory distress.
 Prevention – Early vaccination and separation of healthy
animals from flock.
 Treatment – Antibiotics to prevent secondary bacterial
infections.
 Others – Transmission through insect vectors (Culicodes).
PESTE DES PETITIS RUMINANTS (PPR)

27. PESTE DES PETITIS RUMINANTS (PPR)
Diarrhoea is also a major sign

29.  Causative – Fasciola.
 Symptoms – Emaciation, Anemia, and edema in lower jaw.
 Prevention – Control of snails, Avoid grazing in early
morning and evening.
 Treatment – Periodical deworming.
 Others – Transmission through snails.
FLUKE INFECTION

30. Edema - FLUKE INFECTION

31.  Causative – Taenia.
 Symptoms – Emaciation, Anemia, and reduced growth.
 Prevention – Hygiene maintenance.
 Treatment – Periodical deworming.
 Others – Transmission through vectors and contaminated
feeds.
TAPE WORM

32.  Causative – Ascarids.
 Symptoms – Emaciation, Anemia, and edema in lower jaw.
 Prevention – Hygiene maintenance.
 Treatment – Periodical deworming.
 Others – Transmission through vectors and contaminated
feeds.
ROUND WORM

33.  Causative – Eimeria.
 Symptoms – Blood tinged brownish diarrhea, anemia, kids
mortality.
 Prevention – Spray 10% ammonia solution and feed
coccidiostats with feed.
 Treatment – Coccidiostats & Sulpha drugs
 Others – Transmission through contaminated feeds.
COCCIDIOSIS

34.  Causative – Tick, Lice.
 Symptoms – Skin allergy, reduced growth, and wound.
 Prevention – Clean house and periodic dipping.
 Treatment – Amitraz application and periodic dipping
 Others – -
ECTOPARASITE INFECTION

36.  Causative – Excess feeding of lush green pasture, legumes
or any grains.
 Symptoms – Distended abdomen.
 Prevention – Avoid over feeding.
 Treatment – Bloatosil, Turepentine oil, Formalin, Neem
stick.
 Others – -.
BLOAT

37. BLOAT

38.  Causative – large amounts of highly fermentable
carbohydrates – Excess production of lactic acid.
 Symptoms – dehydration, blindness, recumbency, rumen
stasis and high mortality rate.
 Prevention – Avoid leaving the animals in streets.
 Treatment – Normal saline, sodium bicarbonate and
antihistaminics.
RUMEN ACIDOSIS

39.  Causative – Low plane of nutrition and Starvation
(Hypoglycaemia and Hyperketonemia).
 Symptoms – separation from flock, apparent blindness,
grinding of teeth, tremors of head, ketonic breath.
 Prevention – Good nutrition (Molasses and concentrate)
during pregnancy
 Treatment – DNS, 50% Glucose solution.
PREGNANCY TOXEMIA