Home » 2019 WAEC Animal Husbandry Theory a)   Mention five characteristics considered during selection of livestock for breeding.     b)   State five…

Animal Husbandry Theory a)   Mention five characteristics considered during selection of livestock for breeding.     b)   State five…

a)   Mention five characteristics considered during selection of livestock for breeding.  

 

b)   State five characteristics of a Zebu cattle.   

 

c)   State five functions of water in farm animals.  

 

d)   List five nutritional disorders in farm animals  

Explanation

(a) Characteristics considered during selection of livestock for breeding;

  • Productivity /yield/prolificacy           
  • Resistance to diseases
  • Quality of product                             
  • Early maturity/growth rate
  • Adaptation to climatic conditions      
  • Good mothering ability
  • Male with high libido                        
  • Resistance to diseases
  • Age of the animal       
  • Body form /conformation of livestock/body shape
  • Economy in use of feed/feed conversion efficiency  

                                                
(b) Characteristics of  Zebu cattle;

  • Humped                                             
  • Large ears
  • Horned                                                           
  • Resistant to trypanosomiasis
  • Large dewlaps                                    
  • Large size
  • Tolerant to drought       

                                                         
(c) Functions of water in farm animals;

  • Helps in the excretion of waste products            
  • Lubricates joints
  • Helps in blood circulation                              
  • Helps in salivation
  • Helps to maintain cell turgidity/body shape  
  • Osmoregulation
  • Aids in digestion of feed/nutrient dissolution
  • Needed for transporting nutrients to various parts of the body
  • Helps to regulate body temperature/wallowing in pigs/body cooling/homeostasis
  • Important constituents of milk, egg and meat

                                                                                               
(d) Nutritional disorders in farm animals;

  • Rickets                                                           
  • Pellagra
  • Scurvy                                                
  • Anaemia
  • Bloat                                                  
  • Milk fever
  • Osteomalacia                                      
  • Osteoporosis
  • Grass tetany                                       
  • Constipation
  • Diarrhoea                                           
  • Alopecia
  • Pica                                                    
  • Cannibalism
  • Night blindness