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DIETARY INCLUSION OF FERMENTED GINGER STRAW EFFECT ON THE GROWTH PERFORMANCE, GASTROINTESTINAL TRACT DEVELOPMENT AND CAECAL FERMENTATION OF FATTENING RABBITS

文献类型： 外文期刊

作者： Sun, Hai Tao 1 ; Wang, Yong 3 ; Bai, Li Ya 1 ; Liu, Ce 1 ; Xu, Yun Hua 3 ; Gao, Shu Xia 1 ; Jiang, Wen Xue 1 ; Yang, Li Ping 1 ; Liu, Gong Yan 1 ;

作者机构： 1.Shandong Acad Agr Sci, Inst Anim Husb & Vet, Shandong Key Lab Anim Dis Control & Breeding, Jinan 251000, Peoples R China

2.Key Lab Livestock & Poultry Multi MARA, Jinan 251000, Peoples R China

3.Jinan Anim Husb Technol Extens Stn Shandong Prov, Jinan 251000, Peoples R China

关键词： fermented ginger straw; rabbits; growth performance; gastrointestinal tract development; caecal fermentation

期刊名称：WORLD RABBIT SCIENCE （ 影响因子：0.8； 五年影响因子：1.0 ）

ISSN： 1257-5011

年卷期： 2022 年 30 卷 4 期

页码：

收录情况： SCI

摘要： This experiment was conducted to evaluate the effects of dietary inclusion of fermented ginger straw on the growth performance, gastrointestinal tract development and caecal fermentation of fattening rabbits. A total of 160 45-d-old Laiwu black rabbits were randomly divided into 4 groups and fed 0% (Control), 5, 10 or 15% fermented ginger straw in their diet as a replacement for peanut straw powder. The trial lasted for 7 d of adaptation and 43 d for testing. Growth performance was recorded from 52 to 95 d of age (n=5 per treatment with 30 rabbits, 3 males and 3 females per replicate), TTAD of nutrients from 91 to 95 d of age, and gastrointestinal tract development, caecum fermentation and carcass traits were determined at 95 d of age (n=5 per treatment with 10 rabbits, 1 males and 1 females in per replicate).The results showed that the average daily gain and final body weight in the experimental groups (5, 10 and 15% fermented ginger straw) were higher than in the control group (P<0.05). However, the average daily feed intake in the 15% group was higher than in the other groups, while the total tract apparent digestibility of crude protein, ether extract, neutral detergent fibre and acid detergent fibre were lower than in the control group (P<0.05), and the relative weights of the stomach, small intestine and caecum content in the 15% substitution group were higher than those in the control group (P<0.05). In addition, the thickness of the muscle layer in the 15% substitution group was higher than that in the other groups (P<0.05). Moreover, pH and total volatile fatty acids concentration in the caecal content were similar among the 4 groups (P>0.05). The current work shows that fermented ginger straw could be used as roughage material in fattening rabbit production up to a dietary dose of 10%.

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