Acidifiers are organic acids that prevent microbial contamination in food and the digestive tract of poultry by reducing pH. On the other hand, lysozyme is an antimicrobial enzyme which forms part of the innate immune system. Both acidifiers and lysozymes may have a significant impact on growth performance and body defense in broilers. The experiment was conducted to evaluate the effects of dietary acidifier and lysozyme on physiognomies (live body weight and body weight gain), feed conversion ratio (FCR) and selected hemato-biochemical parameters in broiler chicken. A total of 60, day old chicks Lohman broiler chicks were collected and reared up to 28 days old with timely vaccination. At day 14, the chicks were randomly divided into four equal groups: A, B, C and D (n=15). Group A was considered as non-treated control; group B was supplemented with acidifier, group C with lysozyme and group D with both acidifier and lysozyme through drinking water. Results showed that acidifier, lysozyme and combined groups had significantly higher live body weight and lower feed conversion ratio, FCR (P
Key words: Acidifiers, lysozymes, growth performance, hemato-biochemical parameters and broilers
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