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Below is the solution to 2021 Neco past Questions and answers on animal husbandry theory Questions



1a) State the major function of the respiratory system of an animal

Answer to question number one

The major function of respiratory system of an animal is that respiratory system helps the animal to absorb oxygen (O2)

1b) State two types of incubation in poultry

Answer to question number 1b

I) Natural incubation
(ii) Artificial incubation

1c) Give three signs each of the following in goat

I) Heat period

ii) parturition

Answer to question number 1b

I) Heat Period:

(i)Restlessness and isolation
(ii)Sexual excitements
(iii)Reduced or loss of appetite

ii) parturition:

(i)mucus discharge from the vulva
(ii)decreased body temperature
(iii)filling of mammary glands with milk

1d) Mention one importance of animal that possesses it

Answer to question number 1d

(i)supporting the weight of the animal
(ii) dissipating the energy impact as the hooves strike the ground or surface

2a) Mention two marketing channels commonly available for cheese

Answer to question number (2a)


2b) Mention four benefits of castrating farm animal

Answer to question number (2b)

(i) castration helps to control indiscriminate mating
(ii) It helps the flattening up of the animals
(iii) It leads to higher feed conversion ratio
(iv) It makes an animal to become more docile and easy to handle

2c) Differentiate between the following farm animal management practices

I) Isolation and culling

ii) Dehorning and Disbudding

Answer to question number (2c)

Isolation is a process of allowing sick animals to rest and recover and prevents disease spreading around the pen, group or wider farm WHILE Culling is a process of removing an animal, especially a sick or weak one, from a herd or flock.It is a reduction of the numbers of an animal population achieved by selectively killing some of its members.

Dehorning is a process involves the removal of the horns of farm animals WHILE Disbudding is the removal of very small or young horns from young animal

3a) Define Rangeland

Answer to question number (3a)

Rangeland is an extensive area of land which contains forage grasses,legumes and other herbage plants where animals like cattle,sheep and goats can graze.

3b) Enumerate four Importance of pasture in animal production

Answer to question number (3b)

(i) Healthy pasture are beneficial to the owners animal and environment
(ii) They prevent erosion and water loss.
(iii) It reduce the labour required especially in feeding livestocks
(iv) The grasses and legumes on a pasture serves as food for feeding livestock

3c) Outline four classes of livestock feed in animal production

Answer to question number (3c)

(ii) Roughages
(iii) Feed supplements
(iv) Feed additives

4a) Define the term artificial insemination

Answer to question number (4a)

Artificial insemination is a deliberate process of avoiding normal mating between a mature male and mature female farm animal and then introducing the male semen into the female genital organ(vulva) by artificial means.

4b) State four merits of artificial insemination in animal production

Answer to question number (4b)

(i)It eliminate the necessity of keeping one or several male animals on the farm
(ii)It increases the rate of genetic improvement in a herd as long as superior male animals are selected.
(iii)It prevent spread of certain diseases
(iv)It reduces chances of injuries to animals
(v)It enhances optimal use of semen

4c) Differentiate between the following

I) progency selection and Pedigree selection

ii) inbreeding and outbreeding

Answer to question number (4c)

In progeny selection,Animals are selected on the performance of their offspring or progeny. Mother’s of the best performed offspring are retained while the mother’s of offsprings that do not performance well are discarded WHILE In pedigree selection Animals are selected or rejected on the basis of the performance of their ancestors. The belief is that ancestors have passed on their traits to the animal being considered.

(i)Inbreeding involves the mating of more closely related animals eg the mating of father with the daughter; son to mother or brother with sisters WHILE outbreeding is the mating of unrelated individual animals within the same breed.
(ii)In breeding produces offspring with undesirable characteristics WHILE out breeding produces offspring with greater vigour and productivity.


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