Home » Agricultural Science » Agricultural Science Theory (a) What is animal improvement? [2marks] (b) Give three aims of animal improvement.[3marks] (c) Define…

Agricultural Science Theory (a) What is animal improvement? [2marks] (b) Give three aims of animal improvement.[3marks] (c) Define…

(a) What is animal improvement? [2marks]

(b) Give three aims of animal improvement.[3marks]

(c) Define each of the following terms as used in animal reproduction: (i)parturition; (ii)gestation period. [4marks]

(d) Name i three systems in the body of farm animals.{3marks]

(e) Mention four advantages of castration in animal production. [4marks] 

Explanation

(a)Meaning of animal improvement This is the process of producing animals with superior qualities to satisfy human needs 

(b) Aims of animal improvement 
-To produce animals that can adapt to adverse climatic conditions 
– To produce animals that are resistant to diseases 
-To produce animals that are tolerant to pests and parasites 
-To produce early-maturing breeds of animals 
-To produce animals with high feed conversion ratio/efficiency 
-To produce animals with fast growth rate 
-To develop animals for particular purposes e.g. racing , 
-To produce animals with high-yielding capabilities 

(c) Definition of terms used in animal reproduction 
 (i) Parturition: This is the act of giving birth in farm animals 
(ii) Gestation period: This is the period of pregnancy or the interval between fertilization and parturition in farm animals 

(d) Systems in the body of farm animals 
– Excretory system 
-Muscular/skeletal system (
-Digestive system 
-Circulatory system 
-Respiratory system 
-Nervous system 
-Reproductive system / Endocrine system 

(c) Advantages of castration in animal production 
– Castrated animals grow faster 
– Removal of odour from meat 
-Makes animal docile and easier to handle
-Produces tender meat quality 
-Reduces the incidence of venereal diseases in the flocks 
-Animals with undesirable qualities are prevented from mating