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Effects of Crude Fiber Level on Growth Performance, Serum Biochemical Indicators, and Digestibility in Zhedong White Geese

文献类型： 外文期刊

作者： Wang, Hui-ying 1 ; Li, Guang-quan 1 ; Wang, Xianze 1 ; Yang, Yun-zhou 1 ; Liu, Yi 1 ; Wang, Cui 1 ; Gong, Shao-ming 1 ; He, Da-qian 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Anim Husb & Vet Sci, Shanghai 201106, Peoples R China

关键词： Crude fiber; Digestive enzymes; Goose; Growth performance; Rice hull; Serum

期刊名称：KAFKAS UNIVERSITESI VETERINER FAKULTESI DERGISI （ 影响因子：0.633； 五年影响因子：0.652 ）

ISSN： 1300-6045

年卷期：

页码：

收录情况： SCI

摘要： The purpose of this study was to investigate the feasibility and supplementation level of rice hull as a dietary fiber source for geese. The effect of rice hull addition level on growth performance, serum biochemical indices, and digestive performance of geese was explored. Three hundred 28-day-old Zhedong white geese (half male and half female) with similar body weights were selected and divided into three groups. The crude fiber (CF) level of the groups was 4.8%, 6.1% and 6.9%, respectively. The pre-feeding period was 7 days, and the formal test period was 21 days. The growth performance and serum biochemical indexes, amylase, lipase, and protease activities, and apparent digestibility were determined. CF level of 6.1% and 6.9% were higher than 4.8%, but the feed/gain at 6.9% CF level was higher than that at 4.8% (P<0.05). Serum total cholesterol and high-density lipoprotein cholesterol concentrations decreased at CF levels of 6.1% and 6.9%, and insulin or insulin-like growth factor-1 levels were increased. The intestinal amylase activity at 6.9% CF level was lower than that at 6.1%. In contrast, pancreatic amylase activity at 6.9% CF level was higher than that at 4.8%. The digestibility of crude ash and crude fat in CF level of 6.9% and 6.1% were lower than that at 4.8%, whereas the digestibility of crude protein increased. Rice hull as the main fiber source, with fiber level between 6.1% and 6.9%, maintains growth performance and improves some beneficial serum biochemical indicator levels and crude protein digestibility.

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