A.J.L. Lim

I. INTRODUCTIONSince the 20th century when commercial poultry breeding first started, the growth rate of meat chickens has quadrupled, and their body structure has also changed dramatically especially with the enlarged size of the breast muscles (Muir and Aggrey, 2003). This is the result of a combination of selective breeding, efficient production systems, improved diets and veterinary care (Fana ...