Monograph

Estimation of Methane Emissions by Cattle in China

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  • State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China

Received date: 2011-07-26

  Online published: 2012-01-13

Abstract

The assessment of methane emissions by cattle were generally for the study of energy metabolism, but the methane is one of the major sources of anthropogenic greenhouse gas emission in the world and we should pay more attention to estimate the methane emissions with the models by former research results of energy metabolism in cattle with different diets using automated respiration large chambers sited in China Agricultural University (CAU). The required parameters for calculation could be searching in nutritional allowances and feed composition for dairy cattle (2007). Methane emissions have been assessed using the CAU model. The emission averaged 92.29 kg CH4/cow/year with lower milk yield,but the emission of the higher yielding herd with 20 kg milk/cow/day was 114.6 kg CH4/cow/year. The methane emissions of draught cattle and yaks were also assessed by the CAU models.

Cite this article

FENG Yanglian, LI Shengli, ZHAO Guangyong, ZHANG Xiaoming, MO Fang, HAN Jifu . Estimation of Methane Emissions by Cattle in China[J]. Chinese Journal of Animal Nutrition, 2012 , 24(1) : 1 -7 . DOI: 10.3969/j.issn.1006-267x.2012.01.001

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