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2020 NECO Animal Husbandry Questions and Answers
NECO November 26, 2020 • 2 months ago • No Comment Yet

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100% VERIFIED ANIMAL HUSBANDRY THEORY QUESTIONS

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👑 2020 NECO VERIFIED ANIMAL HUSBANDRY ANSWERS👑

100% VERIFIED ANIMAL HUSBANDRY OBJ ANSWERS

1-10: CDCADACCDE
11-20: BECBCEBEED
21-30: EBDDABCBEE
31-40: DCBEECBBDE

100% VERIFIED ANIMAL HUSBANDRY THEORY ANSWERS

(1a)
Spermatogenesis is the process by which haploid spermatozoa develop from germ cells in the seminiferous tubules of the testis. This process starts with the mitotic division of the stem cells located close to the basement membrane of the tubules. These cells are called spermatogonial stem cells.

(1bi)
(i)it regulate menstruation
(ii)it support pregnancy in the female body

(1bii)
(i)milk production
(ii) development of mammary glands within breast tissue

(1c)
Tabulate
-Exhalation-
(i)it is the act of exhaling air taking in
(ii) size of chest decrease
(iii) volume of lungs Refund causes deflation
(iv)air pressure increase

-Inhalation-
(i)it is the act of breathing in
(ii)size of chest increase
(iii) volume of lungs raises causing inflation
(iv)air pressure decrease
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(2a)
Tabulate
(1)Sow. – adult female pig
(2)Capon – castrated cock
(3)Heifer – female cow
(4)Dam – female horse

(2b)
(i)Source of clothing
(ii)Used for decoration

(2c)
(i)Makes them less docile
(ii)To check indiscriminate breed
(iii)To quicken the fattening up of the Animal
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(3ai)
(i) They are used to extend a growing season
(ii) They are used as emergency feed
(iii) They are used for weed control

3aii
(i) Soil pH
(ii) Soil texture
(iii) Soil structure

(3bi)
Tabulate

Maintenance Ration refers to a feed mixture which is just sufficient to meet the requirements of a specified animal in a 24-hour period while Production ration is the extra amount of feed an animal needs above the maintenance ration so that the animal can do work or produce products such as milk, meat, eggs and offspring.
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(4a)
Population density is a measurement of population per unit area, or exceptionally unit volume; it is a quantity of type number density. It is frequently applied to living organisms, most of the time to humans. It is a key geographical term.

(4ai) Heterosis in Animal improvement is the increase in such characteristics as size, growth rate, fertility, and yield of a hybrid organism over those of its parents. In other words heterosis by mating two different pure-bred lines that have certain desirable traits.

(4aii)
TABULATE

(i) Local breeds are disease resistance while Exotic breed are not disease resistance.
(ii) Local breeds is better than getting larger eggs exotic breeds is better than getting smaller eggs
(iii) Local breads are also larger, more exigent on feed quantity while Exotic breeds are smaller, and are not exigent on feed quantity.

(4b)
(i) It can lead to loss of species variety.
(ii) It does not have control over genetic mutations.
(iii) It brings about discomfort to animals.

(4c)
(i) Inbreeding
(ii) Outbreeding
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(5ai)
-Casual organism-:
Foot and Mouth Disease (FMD) is a devastating disease of livestock caused by a Picornavirus. There are seven serotypes of the virus. All species of cloven-hoofed animals are susceptible. The disease is extremely contagious giving new meaning to FMD (Fast Moving Disease).

(5aii)
-One mode of transmission:-
Inanimate objects and aerosols:
Using contaminated materials such as hay, feed, water, milk or biologics; contaminated clothing, footwear, or equipment; virus-infected meat or other contaminated animal products to feed animals or when raw or improperly cooked. Also infected aerosols which is spread of virus from an infected property via air currents.

(5aiii)
(i)Adult animals may suffer weight loss from which they do not recover for several months
(ii)Bilsters in the mouth and on feet.
(iii)Drop in milk production.

(5aiv)
(i)FMD outbreaks are usually controlled by quarantines and movement restrictions, euthanasia of affected and in-contact animals
(ii)Infected carcasses must be disposed of safely by incineration, rendering, burial or other techniques.

(5b)
(i)Egg
(ii)Nymph
(iii)Adult or Imago

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