fifteen years of kcse agriculture topical questions and answers - ATIKA SCHOOL

Describe how the late weaning programme is conducted in a dairy calf.

12/6/2020

how the late weaning programme is conducted in a dairy calf.

Answer

in the first week, the call should be fed on colostrum ad libitum;
In the second and third weeks; it is fed on 3.5; and 4.0kg; of whole milk per day respectively;
From the fourth week; whole milk is gradually replaced with a mixture of whole and skim milk.
The milk should be at body temperature;
Calf pellets/pencils should be introduced gradually from the third wet
Green fodder should be gradually introduced from the third week
milk should be divided initially into thee equal pails and finally into two equal parts;
The amount of whole milk fed should be reduced as the calf grows;
Skim milk should be increased as whole milk reduces;
From the 7th week the calf is not fed on whole milk;
Concentrates should be increased as the calf copes with bulky solid feeds;
At the 16th week the calf can be fully introduced to forage crops;

Describe the causes of low egg production in layers.

12/6/2020

causes of low egg production in layers

Answer

Overcrowded housing;
Fighting/pecking;
Lack of adequate clean water which impairs egg development;
Parasite infestation;
Inadequate feeding:
Old age:
Broodiness;
Inadequate waterers/feeders;
Inferior feeds;

Describe upgrading as a method of improving indigenous cattle for milk production

12/6/2020

upgrading as a method of improving indigenous cattle for milk production

Answer

Select a high grade pure breed bull; and a well-managed low grade heifer: Mate them to produce a heifer with half of the sire’s genes; Mate the heifer with a sire of the same pure breed as original sire; Subsequent; heifers should be mated with sires of the same pure breed as original sire; up to the sixth cross/generation; to produce a hygrade heifer with over 98% genes of the pure breed high grade bull:

upgrading as a method of improving indigenous cattle for milk production

The following is an illustration of a chick suffering from malnutrition.

12/6/2020

chick suffering from malnutrition.

chick suffering from malnutrition.

(a) Identify the mineral deficiency shown by the chick.
(b) Apart from the symptom illustrated above, give three other symptoms of mineral deficiency in poultry.

Answer

(a) Manganese
(b) (i) Reduced hatchability
(ii) Reduced shell thickness/soft shelled eggs
(iii) Reduced appetite
(iv) Reduced growth rate
(v) Low production
(vi) Egg eating.
(vii) Loss of feathers

rabbit breedsThe pictures below illustrate two rabbit breeds.

12/6/2020

rabbit breeds.

rabbit breeds.

(a) Name the rabbit breeds shown above.
A
B .
(b) Name the major feeding practice missing from the photograph labelled B.
(c) Give one advantage of housing the rabbits on the floor illustrated above.

Answer

(a) A New Zealand White/Kenya White:
B California White:
(b) Watering;
(c) Droppings and urine fall to keep the floor dry:

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