Growth promoting effect of prebiotic, probiotic ,short chain fatty acid and essential oil on performance of broiler chicks under Egyptian summer conditions

abdelrahman khater, Waleed Altahawy, Abdallah Ghazalah, Ali Elshafey
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Abstract

: This experiment was conducted to study the effect of prebiotic, probiotic, short chain fatty acid, organic acid, and essential oil as growth promoters on performance, economic efficiency, cecal microbial count and nutrients digestibility of broiler chickens. A total number of One hundred and eighty Unsexed broiler chickens (Arbor Acres) at 7 days of age were randomly distributed into sex treatments, each in 6 replicates, with 5 bird chicks per replicate Basal diets were supplemented with 0 control, 1st Biacid 0.5%, 2nd Valeric Acid 1.5%, 3rd Citric Acid 0.5%, 4th Fructo oligosaccharides (FOS)1% , 5th probiotic ( Bacillus subtilis 1*10 12 )0.75% . Diets were fed during starter (7-21d) and grower (22-39d)of age and offered to bird ad libitum with free access to water up to 39 d of age, Nutrients digestibility were determined for all experimental treatments . Chicks fed diet either with Fructo oligosaccharides (prebiotic) or Valeric acid had significantly (P<0.05) greater production performance, Economic efficiency, European Production Efficiency Factor and increased
益生元、益生菌、短链脂肪酸和精油对埃及夏季条件下肉仔鸡生产性能的促进作用
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