WAEC 2017 expo Animal Husbandry theory and objective runz Question,Answer Now Available -MAY/JUNE

ANIMAL HUSBANDRY OBJ:
1-10: ABDBBDCCBC
11-20: ACDCDAADAC
21-30: CBDCABADBA
31-40: BCCBAABCAD

 

ANIMAL HUSBANDRY OBJ:
1-10: ABDBBDCCBC
11-20: ACDCDAADAC
21-30: CBDCABADBA
31-40: BCCBAABCAD

ANIMAL HUSBANDRY THEORY ANSWERS:
(1a)
(i) Newcastle disease (NCD)
(ii) Infectious bronchitis (IB)
(iii) Poor management
(iv) Lack of drinking water
(v) No feed or decreased feed intake
(vi) Low calcium in the feed

(1b)
(i) Mouth
(ii) Small intestines
(iii) Large intestines

(1c)
(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

(1d)
(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

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(3a)
Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma.

(3b)
TABULATE
Chicken|Goat
-It has one stomach chamber|It has four compartment stomach
-Does not have teeth in its mouth part|It have teeth in its mouth part
-It has crop|Does not have a crop
-It cannot regurgitate|It can regurgitated

(3c)
(i) Rotational grazing
(ii) Reseeding
(iii) Controlled Stocking
(iv) Fertilizer application
(v) Irrigation

(3d)
(i)Carbohydrate – Glucose
(ii) Protein – Amino acids
iii) Fats and oil – Fatty acids and glycerol

(3e)
(i) Protein is necessary in building and repairing body tissues in farm animals.
(ii) Proteins provide energy which breaks down into amino acids during digestion and provides four calories per gram.
(iii) Proteins produce hormones which are chemicals produced by glands in one part of the body that help coordinate activities and communicate with other areas.
(iv) Proteins provide antibodies which are specialized protein configurations that provide a specific immune defense against invaders

(3f)
-trypsin
-chymotrypsin

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(5a)
(i) Carbohydrates serve as source of energy in animal body
(ii) Carbohydrate functions as Hormone in animals
(iii) Carbohydrate functions as Antigen in animals
(iv) Carbohydrate functions as framework in animal body

(5b)
(i) Nose and Nasal Cavity
(ii) Lung
(iii) Trachea
(iv) Bronchi and Bronchioles

(5c)
(i) Allergic Rhinitis and Enzootic Nasal Granuloma in animals
(ii) Sinusitis in animals

(5di)
Exhalation is the flow of the respiratory current out of the organism

(5dii)
Inhalation is the process of breathing in,taking air and sometimes other substances into the lungs

(5diii)
Peristalsis is a series of wave-like muscle contractions that moves food to different processing stations in the digestive tract

(5div)
Ovulation is when an egg moves from the ovaries into the fallopian tubes and is ready for fertilization

(5dv)
Rumination is the way that animals eat, storing their partially-digested food in a special stomach called a rumen, to be brought back up later and chewed more thoroughly

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(6a)
Animal improvement is a complex process which involves modification of the genotype and the environment in an harmonious fashion

(6bi)
This is the a process of 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

(6bii)
Advantages:
(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

Disadvantage:
(i)It may introduce new disease to the area
(ii)It may introduce new pests to the area
(iii)It may not perform maximally

(6ci)
progeny Selection is the process of picking or selecting from a mixed population, those animals with breeding value as parents

(6cii)
(i) It ensures that only the best naturally available animals are selected
(ii) Animals with desirable characteristics are selected
(iii) Animals with undesirable characteristics 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

(6d)
(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

 

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