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Effect of Indica Rice Diets Supplemented with Exogenous Enzyme on Growth and Digestion of Pigs Fed Paddy-Based Diets

作  者:
WANG Min-qi;Xu Zi-rong;SUN Jian-yi
单  位:
Feed Science Institute; Zhejiang University; Ministry of Education; China;Key Laboratory of Molecular Animal Nutrition; Hangzhou 310029
关键词:
pig;rice;β-glucanase;xylanase;cellulase;growth;digestion
摘  要:
Sixty growing pigs (Landrace x Jiaxing black) were used to study the effects of exogenous enzymes (including β -glucanase, xylanase and cellulase) supplemented to paddy-based diets on pig growth performance and digestion. With the supplementation of enzymes, average daily gain of pig was increased by 8.78%(P< 0.05), feed gain radio was decreased by 9.42%(P< 0.05), feed apparent digestibilities of crude protein, crude fat and crude fiber were increased by 17.32% (P< 0.01), 16.04% (P< 0.05) and 108.57%(P< 0.01), the viscosity of jejunum, and ileum contents were reduced by 7.08%(P< 0.01) and 6.78%(P< 0.01), numbers of E. coli in feaces and diarrhoea morbidity were decreased by 81.29%(P< 0.01) and 37.00%(P< 0.05), and the activities of protelytic enzyme and α-amylase in duodenal contents were enhanced by 99.07% (P<0.05) and 18.38%(P<0.05), respectively.

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