(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