evaluation of morphological changes in small intestines of broiler chicks fed with different levels of glutamine in pre-starter diet on post-hatch period
نویسندگان
چکیده
background: glutamine supplementation to the pre-starter diet of broiler chicks could improve their performance during the first week of post-hatch. objectives: this experiment was conducted to evaluate the influence of glutamine levels in the pre-starter diet on intestinal mucosa morphology and performance of broiler chicks. method: a total of 160 ross 308, one-day old broilers were used in a complete randomized block design with 3 treatments of 5 replicates. diets were formulated to contain different levels of glutamine (0, 0.5 and 1%). body weight and feed intake were measured at 6 and 13d. on d 0, 3, 6 and 13 post hatch, 2 birds per each replicate were weighted and killed, and samples of the duodenum, jejunum, and ileum were taken subsequently. results: supplementation of diets with 1% glutamine improved growth performance and feed efficiency at 6 and 13 day post hatch (p
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عنوان ژورنال:
تحقیقات دامپزشکیجلد ۷۱، شماره ۱، صفحات ۷۳-۸۱
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