Evaluation of Clostridium autoethanogenum protein as a new protein source for broiler chickens in replacement of soybean meal
文献类型: 外文期刊
作者: Xing Chen;Aijuan Zheng;Ahmed Pirzado Shoaib;Zhimin Chen;Kai Qiu;Zedong Wang;Wenhuan Chang;Huiyi Cai;Guohua Liu
作者机构:
关键词: Antioxidant Capacity;Broiler Chickens;Clostridium autoethanogenum Protein;Growth Performance;Immunoglobulin
期刊名称: Animal Bioscience
ISSN: 2765-0189
年卷期: 2024 年 37 卷 7 期
页码:
收录情况: SCIE(2024版)
摘要: Objective: The object of this study was to investigate the effect of replacing soybean meal with Clostridium autoethanogenum protein (CAP) in broiler diets on growth performance, blood indicators, antioxidant capacity, and immune function. Methods: A total of 180 Arbor Acres broilers were randomly divided into three treatments, each treatment with six replicates and 10 broilers per replicate for a 42-day feeding trial. The control group (CON) was fed corn-soybean meal based diet. The CAP-1 and CAP-2 groups were considered to use CAP to replace 25% or 50% of soybean meal in the diet, respectively. The average daily gain and average daily feed intake of broilers at 1 to 21 d, 22 to 42 d, and 1 to 42 d were measured, and the feed conversion ratio was calculated. At the 42nd day of age, two broilers with similar weights and fasted for 12 h were selected in each replicate for blood collection from the brachial wing vein. The blood routine indicators, serum biochemical indicators, serum antioxidant capacity, and immunoglobulin content of broiler chickens were measured. Results: Replacement of soybean meal with 25% (CAP-1) and 50% (CAP-2) CAP significantly increased the average daily gain of 22 to 42 d and 1 to 42 d and decreased the average daily feed intake and feed conversion rate (p<0.05). The CAP-1 group, and CAP-2 group significantly increased hemoglobulin in the blood of broilers, while the CAP-2 group increased hematocrit content (p<0.05). Compared with the control group, the contents of superoxide dismutase and immunoglobulin A in serum of the CAP-2 group were significantly increased, while the contents of malondialdehyde in CAP group were significantly decreased (p<0.05). Conclusion: Replacing soybean meal with CAP led to significant improvements in the growth performance, antioxidant capacity, and immunoglobulin content of broilers.
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