Molecular Nutrition

Effects of Dietary Different Proportions of Pudilan Residue on Growth Performance and Nutrient Apparent Digestibility of Goats

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  • 1. Jiangsu Province Academy of Agricultural Sciences Circular Agriculture Research Center, Nanjing 210014, China;
    2. Key Laboratory of Crop and Livestock Integrated Farming, Ministry of Agriculture, Nanjing 210014, China;
    3. Pizhou Xiaohe Technology Development Co., Ltd., Xuzhou 221300, China

Received date: 2018-09-25

  Online published: 2019-04-16

Abstract

This experiment was conducted to study the effects of dietary different proportions of Pudilan residue on growth performance and nutrient apparent digestibility of goats. A single factor experimental design was adopted in this experiment, twenty-four healthy goats with an average body weight of (34.05±3.38) kg were randomly allotted to 4 groups with 6 replicates per group and 1 goat per replicate. Goats in the control group (A group) were fed a basal diet which used soybean straw as the roughage, and the others in experimental groups (B, C and D groups)were fed experimental diets which used 5%, 10% and 15% Pudilan residue replaced part of soybean straw and soybean meal, respectively. The pre-experimental period lasted for 7 days, and the experimental period lasted for 65 days. The results showed as follows:1) the average daily feed intake of goats in C and D groups was significantly higher than that in A and B groups (P<0.05), the average daily feed intake of goats in A group was significantly higher than that in B group (P<0.05). The average daily gain of goats in D group was significantly higher than that in A, B and C groups (P<0.05), the average daily gain of goats in A and B groups was significantly lower than that in C group (P<0.05). The feed to gain ratio of goats in A, B and C groups was significantly higher than that in D group (P<0.05). 2) The apparent digestibility of dry matter, organic matter, crude protein and neutral detergent fiber of goats in D group was significantly higher than that in A, B and C groups (P<0.05). There was no significant difference in the apparent digestibility of acid detergent fibers, calcium, phosphorus, iron, copper, manganese and zinc of goats among all groups (P>0.05). It is concluded that dietary different proportions of Pudilan residue have different degree effects on growth performance and nutrient apparent digestibility of goats, under this experimental conditions, the appropriate dietary Pudilan residue proportion is 15%.

Cite this article

MENG Meijuan, TANG Haijiang, BAI Yunfeng, ZHANG Kai, TU Yuanlu, GAO Lipeng . Effects of Dietary Different Proportions of Pudilan Residue on Growth Performance and Nutrient Apparent Digestibility of Goats[J]. Chinese Journal of Animal Nutrition, 2019 , 31(4) : 1930 -1935 . DOI: 10.3969/j.issn.1006-267x.2019.04.053

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