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(1) Modes of transmission and symptoms of farm animal diseases
Sub-topic 1:
Farm animal diseases/ Symptoms of farm animal diseases/ Mode of transmission
The table below shows the name of the disease, the causative organism, the animals affected, symptoms, the mode of spread, and control measures.
| Name of
Disease |
Causative organisms | Animals
Affected |
Symptoms | Mode of spread | Control measures |
| Mastitis | Bacteria | Cattle, sheep, goat, pig | The udder becomes swollen, reddened, and painful | Water, food,
injuries on the udder, milking marching |
Good hygiene, getting rid of flies, disinfecting milking marching |
| Contagious abortion | Cattle, sheep, goats, pigs | Irritation, a catarrhal condition in the womb | Servicing by infected
bull, flies, contaminated pasture
|
Vaccination, contact vet. Doctor. | |
| Anthrax | Cattle, sheep, goats | – Blood-stained discharges from mouth or nostril
– death – swelling in the neck |
Contact with infected
animals & their products |
Vaccination, disinfect pens, burn or bury dead animals. | |
| Tuberculosis | Cattle, sheep, goats, poultry, pigs | Persistent cough, emaciation, death | Contact with discharge or sputum of infected animals | No treatment. Kill and bury infected animals.
Vaccination |
|
| Fowl typhoid | Poultry | -Dullness, -yellowish discharges | Contact with
infected birds
|
Vaccination, proper sanitation | |
| Foot & mouth | Virus | Cattle, sheep, goats | Sores on the feet, and lips, foaming, lameness | Contact with infected
animals |
Vaccination & isolation |
| Rinderpest
(cattle plague) |
Cattle, sheep, goats | Blood-stained diarrhea, the grind of teeth, difficulty breathing | Contact with infected
animals and food |
No treatment, kill and bury infected animals. Vaccination |
