Effects of feeding different forages on emission of methane in cattle and goats
The objective of this study was to investigate the volumes of methane emission from cattle and goats by feeding Bermuda hay and Alfalfa hay under the condition of closed confinements. Open Path CH4 Analyzer was used to detect methane emissions from these animals. Eight Taiwan yellow cattle and twenty four Taiwan black goats with the same age and body weights were subjected to the trial. Animals were divided into two groups fed with 100% Bermuda hay or the combination of 50% Bermuda and 50% Alfalfa hay. Cattle that received Bermuda hay produced more methane per kg of body weight than those received Bermuda and Alfalfa hay (0.9484 ppb v.s 0.5768 ppb). The similar tendency was found in the goats (7.7405 ppb v.s 7.0782 ppb). Evidences showed that ruminants fed with legume produced resulted in less methane emissions. Meanwhile, goats produced more methane than that of cattle both fed with Bermuda and Alfalfa hay.
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