Effects of Dietary Manganese Level on Growth Performance, Nutrient Digestibility and Nitrogen Metabolism of Growing Wusuli Raccoon Dog (Nyctereutes procyonoides)

BAO Kun; LI Guangyu; LIU Baiyang; XU Chao; YUE Zhigang; ZHAO Jiaping

doi:10.3969/j.issn.1006-267x.2014.07.036

2014 , Vol. 26 >Issue 7: 2003 - 2008

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.07.036

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Effects of Dietary Manganese Level on Growth Performance, Nutrient Digestibility and Nitrogen Metabolism of Growing Wusuli Raccoon Dog (Nyctereutes procyonoides)

BAO Kun ,
LI Guangyu ,
LIU Baiyang ,
XU Chao ,
YUE Zhigang ,
ZHAO Jiaping

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State Key Laboratory of Special Economic Animal Molecular Biology, Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China

Received date: 2014-01-09

Online published: 2014-07-01

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Abstract

This experiment was conducted to study the effects of dietary manganese level on growth performance, nutrient digestibility and nitrogen metabolism of growing Wusuli raccoon dog (Nyctereutes procyonoides). Ninety healthy male raccoon dogs at the age of (60±2) days were randomly divided into 6 groups with 15 replicates per group and 1 raccoon dog per replicate. The raccoon dogs in the 6 groups were fed experimental diets with manganese supplemental levels of 0 (group Ⅰ), 40 (group Ⅱ), 80 (group Ⅲ), 120 (group Ⅳ), 200 (group Ⅴ) and 400 mg/kg (groupⅥ), respectively.The pre-test period lasted for 5 days and the trial period lasted for 62 days. The results showed as follows: 1) the final weight and average daily gain in group Ⅱ were significantly higher than those in group Ⅰ (P0.05). The ether extract digestibility in group Ⅴ was significantly higher than that in group Ⅰ (P0.05). Under this study condition, based on comprehensive consideration of the growth performance, nutrient digestibility and nitrogen metabolism of growing raccoon dog, it is suggested that the optimal supplemental level of manganese in the basal diet is 40 mg/kg for growing raccoon dog, total level of manganese in the diet is 62.23 mg/kg.

Key words： growing period; raccoon dog; manganese; growth performance; nutrient digestibility; nitrogen metabolism

Cite this article

BAO Kun , LI Guangyu , LIU Baiyang , XU Chao , YUE Zhigang , ZHAO Jiaping . Effects of Dietary Manganese Level on Growth Performance, Nutrient Digestibility and Nitrogen Metabolism of Growing Wusuli Raccoon Dog (Nyctereutes procyonoides)[J]. Chinese Journal of Animal Nutrition, 2014 , 26(7) : 2003 -2008 . DOI: 10.3969/j.issn.1006-267x.2014.07.036

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