WAEC Animal Husbandry 2020 Theory question 104

Theory question 104

Anatomy and Physiology of Farm Animals

(a) Mention two organs each in each of the following parts of rabbit: (i) head; (ii) thorax; (iii) abdomen. (b) State one function of each of the following organs in farm animals: (i) caecum; (ii) gizzard; (iii) crop; (iv) rumen; (v) lung. (c) State six practical ways of checking malnutrition in livestock production. (d) Mention three examples of non-traditional farm animals.

Show the model answer
Model answer

(a)(i) Head, any two: brain; eyes; ears; tongue; teeth; nose (ii) Thorax, any two: heart; lungs; trachea; oesophagus (iii) Abdomen, any two: stomach; liver; intestines; kidneys; caecum; pancreas; spleen; bladder; reproductive organs
(b)(i) Caecum: microbial digestion of cellulose (ii) Gizzard: grinds food with grit (iii) Crop: stores and softens food (iv) Rumen: microbial fermentation of fibre/storage of swallowed feed (v) Lung: gaseous exchange, taking in oxygen and removing carbon dioxide
(c) Any six: feed a balanced ration; give feed according to age and purpose; provide clean water at all times; give mineral licks and vitamin supplements; deworm regularly; avoid overcrowding at feeders; supplement in the dry season (hay, silage, concentrates); improve pastures; creep feed the young; store feed well to avoid spoilage
(d) Any three: snail; grasscutter (cane rat); bees; giant rat; quail; ostrich; guinea fowl; frog

Explanation

Match each function to the organ asked.