Effects of Unite Bran and Soybean Hulls on Growth Performance, Nutrient Metabolic Rates and Intestinal Digestive Enzyme Activities of Magang Geese Aged from 47 to 67 Days

ZHI Shiquan, LAN Wenkang, ZHENG Liwei, HE Jia, HUANG Junwen, ZHANG Huihua

doi:10.3969/j.issn.1006-267x.2019.01.022

2019 , Vol. 31 >Issue 1: 167 - 174

DOI: https://doi.org/10.3969/j.issn.1006-267x.2019.01.022

Molecular Nutrition

Effects of Unite Bran and Soybean Hulls on Growth Performance, Nutrient Metabolic Rates and Intestinal Digestive Enzyme Activities of Magang Geese Aged from 47 to 67 Days

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1. School of Life Science and Engineering, Foshan University, Foshan 528225, China;
2. Guangdong Xinliang Industry Co., Ltd., Jiangmen 529100, China

Received date: 2018-06-04

Online published: 2019-01-16

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Abstract

The study aimed to investigate the effects of unite bran and soybean hulls on growth performance, nutrient metabolic rates and intestinal digestive enzyme activities of Magang geese. A total of 240 healthy Magang geese (47-day-old) with similar body weight were randomly allocated into 3 groups with 4 replicates per group and 20 Magang geese per replicate. Geese in groups Ⅰ, Ⅱ and Ⅲ were fed mixed fiber diet, unite bran fiber diet and soybean hulls fiber diet, respectively. The feeding experiment lasted for 20 days. After the feeding experiment, 8 geese with similar weight were selected from each group for a 14-day metabolic experiment. The results showed as follows:1) the average daily feed intake (ADFI), average daily gain (ADG) of group Ⅲ were significantly higher than those of groups Ⅰ and Ⅱ (P<0.05). The ADG of group Ⅰ was significantly higher than that of group Ⅱ (P<0.05). The feed/gain (F/G) of group Ⅱ was markedly higher than that of groups Ⅰ and Ⅲ (P<0.05). 2) The eviscerated percentage, semi-eviscerated percentage of group Ⅲ were significantly higher than those of group Ⅱ (P<0.05). The leg muscle percentage of group Ⅲ was significantly higher than that of groups Ⅰ and Ⅱ (P<0.05). The breast muscle percentage of groups Ⅰ and Ⅲ was significantly higher than that of group Ⅱ (P<0.05). 3) The villus height of duodenum, jejunum and ileum of group Ⅲ was significantly higher than that of group Ⅱ (P<0.05). The crypt depth of duodenum of group Ⅲ was significantly lower than that of group Ⅱ (P<0.05). The crypt depth of jejunum of group Ⅲ was significantly lower than that of groups Ⅰ and Ⅱ (P<0.05). The villus height/crypt depth of duodenum, jejunum and ileum of groups Ⅰ and Ⅲ was significantly higher than that of group Ⅱ (P<0.05). 4) The intestinal α-amylase, lipase and trypsin activities of duodenum, jejunum and ileum of group Ⅲ were significantly higher than those of group Ⅱ (P<0.05). The intestinal α-amylase, lipase and trypsin activities of duodenum, jejunum and ileum of group Ⅰ were significantly higher than those of group Ⅱ (P<0.05), except for α-amylase of jejunum. 5) The metabolic rate of metabolic energy, crude protein of group Ⅲ was significantly higher than that of group Ⅱ (P<0.05), while the metabolic rate of acid detergent fiber and neutral detergent fiber of group Ⅲ was substantially lower than that of group Ⅱ (P<0.05). In conclusion, soybean hull fiber is a high quality fiber source in improving the growth performance, slaughter performance, intestinal tissue structure, intestinal enzyme activity and nutrient metabolism rates of Magang geese. Moreover, it is benefit for improving effects and nutrient metabolic rates of Magang geese when feeding mixed with unite bran.

Key words： Magang geese; fiber source; unite bran; soybean hulls; growth performance; intestinal structure; enzyme activity

Cite this article

ZHI Shiquan, LAN Wenkang, ZHENG Liwei, HE Jia, HUANG Junwen, ZHANG Huihua . Effects of Unite Bran and Soybean Hulls on Growth Performance, Nutrient Metabolic Rates and Intestinal Digestive Enzyme Activities of Magang Geese Aged from 47 to 67 Days[J]. Chinese Journal of Animal Nutrition, 2019 , 31(1) : 167 -174 . DOI: 10.3969/j.issn.1006-267x.2019.01.022

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