Effects of Monensin and Tween-80 on Rumen Fermentation and Methane Emission of Growing Grassland Red Bulls

XIANG Yan; YANG Huaming; ZHANG Guoliang; BAN Zhibin; WEI Bingdong; ZHAO Yumin

doi:10.3969/j.issn.1006-267x.2013.11.021

Chinese Journal of Animal Nutrition >

2013 , Vol. 25 >Issue 11: 2675 - 2681

DOI: https://doi.org/10.3969/j.issn.1006-267x.2013.11.021

Feed Science and Technology

Effects of Monensin and Tween-80 on Rumen Fermentation and Methane Emission of Growing Grassland Red Bulls

XIANG Yan ,
YANG Huaming ,
ZHANG Guoliang ,
BAN Zhibin ,
WEI Bingdong ,
ZHAO Yumin

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1. College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China;
2. Jilin Academy of Agricultural Sciences, Changchun 130033, China

Received date: 2013-05-13

Online published: 2013-10-27

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Abstract

This experiment was conducted to research the effects of monensin and tween-80 on the characteristics of rumen fermentation and methane (CH₄) emission of growing Grassland Red bulls. Eight healthy Grassland Red bulls with an average age of seventeen months and an average body weight of (276±18) kg was selected and randomly divided into four groups with two heads in each group in a 4×4 Latin square design. Bulls were fed a basal diet and three experimental diets (the basal diet supplemented with 0.36 g/d monensin, 1.75 g/d tween-80 and 0.36 g/d monensin+1.75 g/d tween-80, respectively). The results showed as follows: dietary supplementation of monensin significantly increased the concentration of total volatile fatty acid (TVFA) and the proportion of propionate propionic acid, but reduced CH₄ emission per kilogram of weight gain by 31.89%; dietary supplementation of tween-80 tended to increase TVFA concentration and propionate proportion (P>0.05), but reduced CH₄ emission per kilogram of weight gain by 22.59%; compared with supplemented individually, the influence was not enhanced when monensin and tween-80 were supplemented toghter. Therefore, monensin and tween-80 can both improve rumen fermentation, but significantly reduce CH₄ emission per unit of weight gain, which are beneficial for nutrient digestion and utilization.

Key words： monensin; tween-80; Grassland Red bulls; rumen fermentation; CH₄ emission

Cite this article

XIANG Yan , YANG Huaming , ZHANG Guoliang , BAN Zhibin , WEI Bingdong , ZHAO Yumin . Effects of Monensin and Tween-80 on Rumen Fermentation and Methane Emission of Growing Grassland Red Bulls[J]. Chinese Journal of Animal Nutrition, 2013 , 25(11) : 2675 -2681 . DOI: 10.3969/j.issn.1006-267x.2013.11.021

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