Ruminant Nutrition

Effects of Mulberry Leaf Flavonoids and Resveratrol on Gas Metabolism and Methane Emission in Mutton Sheep

  • CHEN Dandan ,
  • TU Yan ,
  • MA Tao ,
  • LOU Can ,
  • JIANG Chenggang ,
  • DIAO Qiyu
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  • 1. Key Laboratory of Feed Biotechnology, Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
    2. Xinjiang Agricultural University, Wulumuqi 830052, China

Received date: 2013-11-01

  Online published: 2014-05-05

Abstract

This study was conducted to investigate the effects of mulberry leaf flavonoids (MLF) and resveratrol (Res) on gas metabolism and methane emission in mutton sheep, with an aim to determine the optimum supplemental levels. Fifteen healthy Dorper () × Thin-Tailed Han (♀) crossbreed sheep (F1) weighted (60.0 ±1.73) kg with similar age were selected in a single factor experimental design. The experiment consisted of control period, experimental periods Ⅰ and Ⅱ. Control period: fifteen sheep were fed a basal diet (without supplementation, control group, n=15); experimental period Ⅰ: fifteen sheep were randomly allotted to five groups (n=3), and MLF supplemental levels were 0.25, 0.50, 1.00, 2.00 and 4.00 g/d, respectively; experimental period Ⅱ: fifteen sheep were randomly allotted to five groups (n=3), and Res supplemental levels were 0.125, 0.250, 0.500, 1.000 and 2.000 g/d, respectively. Each period lasted for 16 days, which was consisted of a 7-day pre-experimental period and a 9-day experimental period. Open-cycle Sable calorimetry system was used for gas metabolism test. The results showed as follows: the supplementation of 2.00 g/d MLF and 0.250 g/d Res decreased 6.38% (P>0.05) and 10.11% (P<0.05) of methane emission per kilogram of dry matter intake calculated based on metabolic weight, respectively. In conclusion, natural plant extractions MLF and Res can affect gas metabolism and reduce methane emission at some extent; under conditions in the present study, the optimum supplemental levels of MLF and Res are 2.00 and 0.250 g/d, respectively, considering the inhabitation on methane emission.

Cite this article

CHEN Dandan , TU Yan , MA Tao , LOU Can , JIANG Chenggang , DIAO Qiyu . Effects of Mulberry Leaf Flavonoids and Resveratrol on Gas Metabolism and Methane Emission in Mutton Sheep[J]. Chinese Journal of Animal Nutrition, 2014 , 26(5) : 1221 -1228 . DOI: 10.3969/j.issn.1006-267x.2014.05.012

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