AGB 211: Livestock and Poultry Breeding (2+1)

Economic traits in sheep to be considered for improvement

ECONOMIC RAITS IN SHEEP TO BE CONSIDERED FOR INPROVEMENT

• Tupping % =  (Number of ewes mated / Number of ewes allowed to ram ) x 100
• Lambing% =  (Number of ewes lambed /  Number of ewes allowed to ram) x 100  
• Weaning% = (Number of lambs weaned / Number of lambs born) x 100
• Twinning% = (Number of twin births / Number of births) x 100
• Preweaning mortality% =  (Number of lambs died till weaning / Number of lambs at birth) x 100