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The effect of conjugated linoleic acids on the growth performance, carcase composition and meat quality of fattening rabbits

文献类型: 外文期刊

作者: Liu, Gongyan 1 ; Bai, Liya 1 ; Sun, Haitao 1 ; Liu, Ce 1 ; Yang, Liping 1 ; Jiang, Wenxue 1 ; Zhang, Yin 1 ; Gao, Shuxia 1 ;

作者机构: 1.Shandong Acad Agr Sci, Inst Anim Husb & Vet, Jinan 250100, Peoples R China; Shandong Key Lab Anim Dis Control & Breeding, Jinan, Peoples R China; Key Lab Livestock & Poultry Multi MARA, Jinan, Peoples R China

关键词: Conjugated linoleic acids; rabbits; carcase yield; meat quality; fat metabolism

期刊名称:ITALIAN JOURNAL OF ANIMAL SCIENCE ( 影响因子:2.552; 五年影响因子:2.785 )

ISSN: 1594-4077

年卷期: 2022 年 21 卷 1 期

页码:

收录情况: SCI

摘要: This experiment was conducted to study the effects of dietary conjugated linoleic acids (CLAs) on the growth performance, fat metabolism, carcase composition and muscle quality of fattening rabbits. A total of 160 Minxinan black rabbits aged 75 days with body weights of 1658.9 +/- 188.8 g were randomly divided into 4 groups. They were fed a basic diet supplemented with 0 (control), 0.5%, 1.0%, or 1.5% CLA for 50 days. Dietary CLA reduced the feed intake and serum triglyceride and cholesterol levels. In addition, the crude protein content in rabbit meat was increased, along with the cholesterol and the ether extract levels in the 1.5% depression group. Moreover, the fatty acid composition in rabbit meat was changed, and the content of polyunsaturated fatty acids/monounsaturated fatty acids (PUFAs/MUFAs) increased with the increasing levels of CLA addition. These findings indicate that CLA greatly improved the nutritional value of rabbit meat. From an economic point of view, CLA would normally be included at a concentration of 0.5% in the formulation of feeds for fattening rabbits.

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