(a)(i) List five external parts of a cock. (ii) Name three viral diseases that could affect poultry.
(b) State five signs that could be observed in a sick farm animal.
(c) Explain each of the following terms as used in livestock production: (i) drenching; (ii) dipping.
(d) Name three body systems in farm animals.
Explanation
(a) (i) External parts of a cock
- toe/digits
- wings
- tail
- breast
- claw
- wattle
- feathers
- comb
- nostril
- beak
- eye
- earlobe/ear
- hock
- thigh
- neck
- leg/shank
- spur
(ii) Viral diseases a poultry
- Fowl pox
- Bird flu/avian influenza
- Newcastle disease
- Mareks
- Gumboro/infection us bursal disease Infectious bronchitis,
(b) Signs observed in a sick farm animal
- loss of appetite restlessness
- loss of weight/cm emaciation
- anaemia
- diarrhea/excessive stooling
- coughing/sneezing
- fever/ high body temperature gnashing of teeth
- stained urine
- undue noise
- alopecia/ loss of air
- swollen skin/oedem
- sudden death/ coma vomiting,
- blood-stained faeces constipation
- standing hair/ rough feather/ droopy wings
- convulsion
- isolation from the flock nasal discharge
- oozing of blood from natural openings/orifices
- ocular discharge
- excessive salivation
- difficulty of breathing
- inflammation of organs
- skin blister/ inflammations/reddened skin
- skin irritation
- weakness
(C) Explanation of terms
(i) Drenching
It is given using a certain dose of solution to an animal.
- It involves the use of drench bottles/drenching gun.
- It is done to control endoparasites.
(ii) Dipping
- The process of passing animals through chemical solution to remove ectoparasites
- It is done when weather is fair.
- Animals should not be thirsty and hungry before dipping.
(d) Body systems in farm animals
- circulatory system
- digestive system
- reproductive system/reproductory system
- respiratory system
- Muscular system
- endocrine system nervous system
- excretory system
- lymphatic system
- skeletal system
- integumentary system