Effect of Betaine Supplementation to Methionine-deficient Diet on Growth Performance, Carcass Characteristics, Blood Parameters and Economic Efficiency of Broilers

Background: Betaine is a protein found in shellfish, spinach and wheat bran. Betaine’s main physiological function to act as methyl donor an osmolyte. also functions osmolyte, ensuring that the avian’s cellular water ion balance are maintained. It may protect variety of intestinal bacteria against osmotic changes resulting increased microbial fermentation activity. Adding betaine chicken diets has been shown improve nutritional digestibility lower abdominal fat weight. Methods: A total two hundred seventy day-old commercial broiler chicks were randomly allotted nine treatments six equal replicates with 5 each (9 x 6 5=270). Nine experimental isonitrogenous isocaloric consisting control diet (CD), 25% 50% methionine deficient graded levels (0.1, 0.2 0.3% levels) formulated fed from 1 42 days age. Result: The results study revealed supplementation at resulted better performance (p less than 0.05) higher body weight gain FCR, percentages livability, carcass yield, edible parts, breast yield meat while those heart decreased but relative weights giblets, liver gizzard not affected compared their counterparts. immunity ND, tolerance oxidative stress net profit over feed cost broilers