2022/2023 WAEC/NECO Answers: 2022 neco animal husbandry answers

(3ai)
Area of the pasture 
Area of trapezium
= 1/2 (180+120)12
= 1/2 x 300 x 12
= 300 x 12/2
=3600/2
= 1,800m²

(3aii) 
Area of calops crops
20cm x 30cm
= 0.2m x 0.3m
= 0.6m²
Population of colapo
1,800m²/0.06m²
= 30,000


(3bi) 
Maintenance ration: This is the feed fed to non-productive animals. It supplies animals with nutrients just enough to enable the animal carry out metabolic activities like digestion, respiration, regulation of body temperature.
Maintenance ration does not allow an increase or decrease in weight while production ration is a balanced ration which contain all the essential nutrients which suplmu animal with nutrients in excess of nutrients required for maintenance.


(3bii)
Maintained ratio: the animal that can feed maintenance ratio are non lactating animals

(3c)
(i) it can lead to carnibalism
(ii) it can cause fighting between animals
(iii) it can lead to stunted growth
(iv) they are liable to contact disease easily


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(5i)
Anthrax

(5ii)
(i)regular vaccination
(ii)good sanitation
(iii)quickly isolate the affected animals

(5iii)
Zonotic disease

(5iv)
(i)tuberculosis
(ii)liverfluck
iii)mastitis

(5v)
initially the number of goat in stock is 65
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(2a)
(i)feeding
(ii)vaccination

(2b)
(i) sanitation
(ii) desinfection
(iii)isolation

(2c)
(i)snail hutches
(ii)trench pens

(2d)
(i) standardization
(ii) coagulation of protein in milk
(iii) separating of curd

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(1a) 
(i) Tendons 
(ii) Epidermis 

(1b)
(i) Identify any exotic pests that may be in their hives,
(ii) Examine the brood and colony at least several times a year during spring, summer and autumn.
(iii) Always be calm and methodical when working with hives, and try to avoid any sudden or sharp actions.
Opening the hive

(1c)
(In tabular form)
UNDER OESTROGEN:
(i) Oestrogen is used for a hormone replacement treatment for women who have undergone sexual transformation.
(ii)Oestrogen is a class of steroid compounds and functions as chief sex hormones in women

UNDER PROGESTERONE:
(i) Progesterone is a common hormone that is
produced both by women and men. 

(ii) Progesterone is a C-21 hormone involved in pregnancy and embryo genesis.

(1d)
(i) Acidify the Milk
(ii) Add a Coagulant
(iii) Test for Gel Firmness

(1d)
(i) Temperature
(ii) Humidity
(iii) light intensity


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