Effects of dietary supplementation with rhamnolipids on the growth performance, nutrient digestibility, slaughter yield, and lipid metabolism of broiler chickens
文献类型： 外文期刊
作者： Cai, Xuan 1 ; Xue, Huiqin 1 ; Hang, Yiqiong 1 ; Lu, Yonghong 1 ; Yao, Junfeng 1 ; Lu, Yang 1 ;
作者机构： 1.Shanghai Acad Agr Sci, Inst Anim Husb & Vet Sci, Shanghai, Peoples R China
2.Shanghai Acad Agr Sci, Natl Poultry Engn Ctr, Shanghai, Peoples R China
关键词： Rhamnolipids; broiler chickens; lipid metabolism; emulsification
期刊名称：ITALIAN JOURNAL OF ANIMAL SCIENCE （ 影响因子：2.5； 五年影响因子：2.4 ）
ISSN： 1594-4077
年卷期： 2024 年 23 卷 1 期
页码：
收录情况： SCI
摘要： The purpose of this study is to investigate the effect of dietary supplementation with rhamnolipids (RLs) on the growth performance, slaughter performance, apparent digestibility and fat metabolism of broilers. Broiler chicks were randomly divided into 3 groups: control (C) group, 100 mg/kg (L) and 1,000 mg/kg (H) RL supplementation groups. The results, after dietary supplementation with RLs for 42 days, revealed a RL dose-dependent promoting effect on feed intake, and an increase of the evisceration index of 42-day-old broilers, but a decrease in the rate of abdominal fat gain. The dietary supplementation with RLs significantly increased the digestibility of protein and fat in broilers. The serum total cholesterol and high-density lipoprotein cholesterol levels of the H group were significantly higher than those of the C group (p < 0.01), whereas total triglyceride was lower. The liver triglyceride and total cholesterol levels of the H group were significantly higher than those of the L and C groups (p < 0.05). In summary, dietary supplementation with RLs can improve growth performance and carcase quality of broilers by strengthening the emulsification effect of lipid nutrients in the diet of poultry.
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