WAEC Animal Husbandry 2023 Theory question 105

Theory question 105

Animal Diseases

a. State six ways in which diseases could be controlled in sheep production. b. Give three ways in which decreased feed intake of the flock of sheep could be improved. c. Explain each of the following methods of animal improvement. i. introduction; ii. selection; iii. breeding d. State five aims of animal improvement.

Show the model answer
Model answer

a. Any six: vaccination; dipping/spraying against ectoparasites; regular deworming; isolation of sick animals; quarantine of new stock; good sanitation; balanced feeding; avoid overcrowding; rotational grazing; foot trimming/footbath; prompt veterinary treatment
b. Any three: give fresh, palatable forage; supplement with concentrates or salt licks; provide clean water; treat sick animals and deworm; reduce stress/heat (shade); avoid overcrowding at feeders; feed at regular times
c(i) Introduction: bringing in better breeds from other areas or countries
(ii) Selection: choosing the best animals as parents and culling the poor ones
(iii) Breeding: planned mating of chosen animals (inbreeding, crossbreeding, line breeding) to combine or fix desirable traits
d. Any five: higher yield of meat, milk, wool or eggs; faster growth; better feed conversion; resistance to diseases; adaptation to environment; higher fertility; better quality products

Explanation

One clear sentence per method in (c).