WAEC Animal Husbandry 2022 Theory question 105

Theory question 105

Anatomy and Physiology of Farm Animals

(a) Name three internal organs found in each of the following regions of a farm animal: (i) Thoracic region; (ii) Abdominal region. (b)(i) List four records that could be kept by a poultry farmer. (ii) State four reasons for keeping records in poultry production. (c)(i) State three damages that could be caused by rats in a deep litter house. (ii) Mention three ways of controlling rats on animal farm.

Show the model answer
Model answer

(a)(i) Thoracic, any three: heart; lungs; trachea; oesophagus; thymus; diaphragm (boundary)
(ii) Abdominal, any three: stomach; liver; intestines; kidneys; spleen; pancreas; bladder; caecum
(b)(i) Any four: stock/inventory record; feed record; egg production record; health/vaccination record; mortality record; sales and expenditure records; labour record
(ii) Any four: shows profit or loss; helps planning and decision making; helps identify and cull poor layers; useful for obtaining loans; helps disease control; helps to detect theft/losses; for tax assessment
(c)(i) Any three: eat and waste feed; eat eggs and kill chicks; spread diseases (e.g. salmonellosis); damage equipment, walls and bags; contaminate feed with droppings
(ii) Any three: rat-proof buildings/wire mesh; traps; poison baits (rodenticides); keeping cats; good sanitation and clearing bushes; proper feed storage

Explanation

Three separate organs for each region.