动物营养学报2018，Vol.30Issue(1)：274-283,10.DOI:10.3969/j.issn.1006-267x.2018.01.033
不同能量水平饲粮中添加白酒糟酵母培养物对肉仔鸡生长性能、胴体组成和血清生化指标的影响
Effects of Dietary Yeast Culture of White Distiller's Grains in Different Energy Level Diets on Growth Performance, Carcass Composition and Serum Biochemical Indices of Broilers
摘要
Abstract
The objective of the current study was to investigate the effects of yeast culture of white distiller's grains added in different energy level diets on growth performance,carcass composition and serum biochemical indices of broilers. A total of 350 one-day-old male Arbor Acres(AA)broiler chickens were randomly allotted into 5 groups with 7 replicates of 10 birds each. Chickens in 5 groups were fed a basal diet(group Ⅰ, con-trol), the basal diet supplemented with 0.5% yeast culture of white distiller's grains(groupⅡ),the basal di-et supplemented with 1.0% yeast culture of white distiller's grains(group Ⅲ), the reduced 0.21 MJ/kg me-tabolizable energy basal diet supplemented with 0.5% yeast culture of white distiller's grains(groupⅣ),and the reduced 0.42 MJ/kg metabolizable energy basal diet supplemented with 1.0% yeast culture of white distill-er's grains(group Ⅴ), respectively. The trial lasted for 42 days. The results showed as follows: 1)at 21 days of age, the average body weight of broilers in control group was the lowest, and tended to be significant lower than that in group Ⅲ(P<0.10). The ratio of feed to gain(F/G)of broilers in groups Ⅱ and Ⅳ was partially decreased during 22 to 42 days of age compared with control group(P<0.10),and the F/G of broil-ers in group Ⅱ was lower than that in control group during 1 to 42 days of age(P>0.05). 2)At 21 days of age, the abdominal fat percentage of broilers in group Ⅳ was significantly lower than that in the control group (P<0.05), while the abdominal fat percentage of broilers in groupⅤwas numerically decreased at 21 and 42 days of age compared with control group(P>0.05). 3)No significant difference in serum total protein,albu-min, uric acid, creatinine, calcium or phosphorus content of broilers was found when diet was supplemented with yeast culture of white distiller's grains(P>0.05). 4)At 21 days of age, serum glutathione peroxidase (GSH-Px)activity in groups Ⅱ and Ⅳ was significantly increased compared with control group in which was the lowest(P>0.05). The serum superoxide dismutase activity of broilers in experimental groups was signifi-cantly increased compared with control group(P<0.05), and serum total antioxidant capacity(T-AOC)of broilers in groupsⅡ and Ⅳ was significantly higher than that in control group(P<0.05). At 42 days of age, T-AOC in experimental groups was significantly increased compared with control group(P<0.01). Overall, dietary 0.5% to 1.0% yeast culture of white distiller's grains can increase body weight gain,improve feed effi-ciency, decrease the abdominal fat percentage and increase the serum antioxidant ability of broilers.关键词
能量/白酒糟酵母培养物/生长性能/胴体组成/抗氧化能力/肉仔鸡Key words
energy/yeast culture of white distiller's grains/growth performance/carcass composition/an-tioxidant ability/broiler分类
农业科技引用本文复制引用
马友彪,周建民,张海军,王晶,武书庚,齐广海,刘建忠,吕亮..不同能量水平饲粮中添加白酒糟酵母培养物对肉仔鸡生长性能、胴体组成和血清生化指标的影响[J].动物营养学报,2018,30(1):274-283,10.基金项目
家禽产业技术体系北京市创新团队项目(CARS-PSTP) （CARS-PSTP）
