Animal Husbandry (Essay & OBJ Objective) Waec 2017 Free Expo Answers
Thursday, 4th May, 2017
Animal Husbandry (Alternative B) 2 (Essay) 2.00pm – 4.00pm
Animal Husbandry (Alternative B) 1 (Objective) 4.00pm – 5.40pm
*ANIMAL HUSBANDRY ANSWERS*
i)Not enough drinking water
ii)No feed or decreased feed intake
iii)Low calcium in the feed
iv)Newcastle disease (NCD)
v)Infectious bronchitis (IB)
i)For food production e.g milk and meat
ii)They are used as source of power in the farm.
iii)They serve as source of hides.
iv)They serve as source of income to farmers
v)They provides raw materials for industry.
vi)Their horns are used for decoration.
i)Poultry Eggs are used for food
ii)They serve as raw materials for industry
iii)They serve as source of income for farmers.
iv)it serve as garden aid
v)It is a cure for the common hangover
3a. Digestion in animals involves mechanical, enzymatic, and microbial processes in the gastrointestinal tract, which convert large feed particles to a size which can be absorbed, transported, and used by the animals.
Animal improvement is a complex
process which involves modification of the genotype and the environment in an harmonious fashion.
the bringing into the farm or a country high quality breeds of livestock with a high productive capacity and other good desirable characteristics from another farm or country.
i)Breeds which are not originally present in the home country are introduced.
ii)It leads to the absence of pests and diseases.
iii)It enhance greater productivity.
i)It may introduce new disease to the area.
ii)It may introduce new pests to the area.
iii)It may not perform maximally.
progeny Selection is the process of picking or selecting from a mixed population, those animals with breeding value as parents.
i)It ensures that only the best naturally available animals are selected.
ii)Animals with desirable characteristics are selected.
iii)Animals with undesirablecharacteristics are detected and rejected.
iv)Animals from best breeds are bred for distribution.
v)It also reduced the spread or parasites associated with breeding stocks.
i)It is easier and less expensive than natural mating. Since the farmer is saved the expense of maintaining a herd or male animal.
ii)It is easier and cheaper to import the semen of exotic breeds rather than the male animals themselves.
iii)It is possible to service many female of different size leading to the production of many offspring.