Effect of Triticale Level and Exogenous Enzyme in t he Grower Diet on Performance, Gastrointestinal Tract Relativ e Weight, Jejunal Morphology and Blood Lipids of Japanese Qua il ( Coturnix coturnix Japonica)

Abstract

The present study was conducted to investigate the effect of corn substitution with triticale in grower diets (zero, 50 and 100%) with/ without exogenous enzyme supplementation on growth performance, digestive or gans relative weight, jejunal morphology and blood lipids of quail chicks. Two hu ndred and forty one-day-old unsexed Japanese quail chicks were randomly assigned to a c ompletely randomized design experiment with six treatments, four replicates/tre atment and 10 chicks/replicate. Substituted triticale for corn in quail grower diet s didn’t have significant effect on finaly weight and daily body weight gain. In the quail chi cks that fed triticale based diet, feed intake and feed conversion ratio significantly redu ced compared those fed corn based diet. Inclusion triticale in the quail grower diets at different levels significantly decreased the crop relative weight, blood serum concentration of triglyceride and very low density lipoprotein and significantly increased large intes tine relative weight. The villus height, crypt depth, villus surface area and villus height to crypt deep rate in the quail chicks that fed triticale-soy meal diet were significantly more than those fed corn-soy meal diet. Supplemented exogenous enzyme to the experimental d iets didn’t have significant effect on whole studied traits, except significantly reduc ed duodenum relative weight. In conclusion, triticale is a good alternative for cor n in quail grower diet, it can completely substitute for corn and have a decreasing effect fo r blood triglyceride and very low density lipoprotein. Keywords : Exogenous Enzyme, Growth performance, Histomophom etry, Quail chicks, Triticale.