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Author Topic: 2018 waec animal husbandry answers  (Read 180 times)

Emeka

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2018 waec animal husbandry answers
« on: May 02, 2018, 03:44:07 pm »
Animal Husbandry OBJ:
1-10: DBAABCCADD
11-20: BADDCBACBD
21-30: BCADCACAAC
31-40: ABABCBDDAD

Theory

 1a)
Ration is the food given to animals on a daily basis. It is used for both maintenance and productive processes.
Ration is the food which is rich and contains all food classes at their correct proportion.

(1bi)
Psychological status of animals: The physical health of status of farm animal affects the animal positively. When animals are physically fit, they are able to produce and give rise to healthy young farm animals.

(1bii)
Ages of animals: With age, animals tends to reproduce or give birth to young ones which are less viable and when animals are young, they tend to health and resistant one.

(1biii)
Purpose or production: Animals are kept or reared for different purposes lol meat, hide, milk. Some of these animals are rear for two or more of these purposes like the white Fulani which is reared for milk and can also be reared or kept for meat production.

(1biv)
Availability of feed ingredients: Presence of feed ingredients makes the keeping of livestock easy since there is easiness of producing feeds to supplements. grazing and livestock is more easily kept.

(1c)
Preparation of palm kernel cake:
After the processing of oil from palm fruits. The fruits are then dried, the seed coats removed and dried.
The seeds are then produced locally using the processing machine for the oil ie palm kernel oil and the cakes collected separately dried and milled.

(1d)
In a tabular form broiler starter Marsh and broiler finisher Marsh.

Under Broiler Starter Marsh:
(i) It is given to young chicks of between 1-6weeks
(ii) It is rich in protein

Under Broiler Finisher Marsh:
(i) It is given to chicks of between 6weeks and above.
(ii) It is rich in protein and carbohydrates.

==========================================


(3ai)
(i) Rectum
(ii) Bladder
(iii) Scrotum
(iv) ampule

(3aii)
(i) Cervical air sac
(ii) Clavicular air sac
(iii) Sinus
(iv) Trachea

(3b) Bull:
(i) Rectum: It's Tue last step before the feces is eliminated through the anal canal.
(ii) Bladder: It functions as body's urine storage.
(iii) Scrotum: It contains the testicles called(testes)
(iv) Ampulla: It contains the cupula, a cluster of sensitive hairs embedded in the jellylike mound.

Hen:
(i) Cervical air sac: The extension of lungs in birds.
(ii) Clavicular air sac: It permit flow of air
(iii) Sinus: Lighten of the squll OR improve voice.
(iv) Trachea: an integral air way which allows air in hen

(3c)
During mastication or chewing of cassava in the mouth of a pig. The salivary gland of the pig produces a digestive enzyme called ptyalin which act on the cassava thereby converting the cassava starch to maltose. The salver also helps for the lubrication of the food curd(cassava tuber).

========================================


4ai)
(i) Comb
(ii) Eyes
(iii) hock joint
(iv) foot
(v) abdomen

(4aii)
(i) New castle disease
(ii) Infections bronchitis
(iii) Avian pox

(4b)
(i) Loss of Appetite
(ii) Excessive Thirst
(iii) Weight Loss
(iv) Slobbering
(v) Vomiting

(4ci)
Drenching is the administering of drug to an animal by mouth mouth into the stomach, usually by force, to rid them of helminths parasites, such as roundworm, flukes and tapeworm.

(4cii)
Dipping is is an efficient method of delivering pesticide or other liquid treatments to a large herd to protect sheep from infestation against external parasites such as itch mite, blow-fly, ticks and lice.

(4d)
(i) Respiratory system
(ii) Digestive system
(iii) Reproductive system

==========+==================


(5a)
Goat:
(i) Four chmabered stomach
(ii) Presence of false stomach
(iii) Absence of gizzard
(iv) Absence of crop
(v) Absence of proventriculus

Chicken:
(i) It doesn't have four chambered stomach
(ii) Presence of gizzard
(iv) Presence of crop
(v) Presence of proventriculus

(5b)
(i) Rumination is the process by which the ruminant animals regurgitates previously consumed feed and masticates it a second time.

(ii) Coprophagy is the consumption of faeces. In some animal species it is seen as a normal behavior, like rabbitsDoing that allow tough plant materials to be digested more efficiently by passing twice through the digestive tract.

(5ci) Creep feeding:
It increase weaning weights in cattle and lambs, compensation for low milk production, and a smoother transition to feedlot rations.

(5cii) Steaming Up:
It promote maximum milk production from the very beginning of the lactation.

(5ciii) Flushing:
It increase the rate of ovulation, hence, lambing rate.

(5di)
(i) Increased diversity of plant and animal species.
(ii) Control of invasive plant species, such as yellow starthistle.
(iii) Habitat restoration for threatened and endangered species.
(iv) Controlling erosion from water runoff for improved water quality.

(5dii)
(i) Manuring
(ii) Avoiding of overgrazing
(iii) Irrigation
(iv) Replanting

=======================
6a)
(i) Producers
(ii) Retailers
(iii) Wholesalers
(iv) Private middlemen
(v) Commodity board.

(6bi)
Pasteurization is the process by which milk is heated to destroy all micro organisms present without seriously affecting the composition of the products.

(6bii)
(i) Helps to preserve the milk for a long time.
(ii) Sterilize tye milk by killing micro organisms in the milk.

(6biii)
(I) butter.
(ii) ice cream.
(iii) skin-milk.

(6c)
() Diseases that affect cows causes reduction in milk production
(ii) Malnutrition
(iii) Temperature

(6di)
To weaken the animal, as to avoid struggling when slaughtering.

(6dii)
(i) Starving the animal.
(ii) Inspection of the animal.





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