The content is just an excerpt from the complete note for JSS 2 Second Term Agricultural Science Lesson Note – Farm Animal Diseases. Check below to download the complete PDF
 CONTENT:
 Farm animal diseases
- Protozoan Diseases
These are diseases caused by protozoa. Protozoa are single-celled, majorly microscope and mostly water – dwelling organism which live independently or in colonies. They feed on organic compounds.
Examples of protozoa diseases of livestock are:
| Protozoan Diseases | Animals Affected |
| 1. Typanosomiasis | Cattle, sheep, goats and pigs |
| 2. Coccidiosis | Poultry birds, rabbits |
| 3. Babesiosis/Red water disease | Ruminants and pigs |
Metazoan Diseases (parasitic diseases)
Diseases caused by parasites are known as metazoan diseases. Those parasites which live externally on their host called ecto-parasites. Examples are lice, ticks and mites.
Liver-flukes, roundworms and tapeworms affect all animals
| S/N | PARASITE | Â DISEASE CONDITIONS |
| 1 | Tapeworm | Taeniasis |
| 2 | Round worm | Ascarisis |
Nutrient-deficiency Disorder
Nutrient-deficiency disorders are those which occur when animals do not consume the right amounts of essential nutrients.
| Nutrient-deficiency Disorder | Animals Affected |
| 1.    Bloats | All ruminants |
| 2.    Osteomalacia | All domestic animals |
Examples of nutrient-deficiency disorders are:
