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Asian-Australas J Anim Sci > Accepted Articles
DOI: https://doi.org/10.5713/ajas.18.0703    [Accepted] Published online January 4, 2019.
Effect of bamboo grass (Tiliacora triandra, Diels) pellet supplementation on rumen fermentation characteristics and methane production in Thai native beef cattle
Chinda Wann1, Metha Wanapat1,*, Chaowarit Mapato1
Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
Correspondence:  Metha Wanapat, Tel: +66-83-1-932-4180, Fax: +66-43-202368, Email: metha@kku.ac.th
Received: 13 September 2018   • Revised: 14 November 2018   • Accepted: 15 December 2018
Abstract
Objective: The objective of this study was to investigate the effect of bamboo grass (Tiliacora triandra, Diels) pellet (Bamboo-Cass) supplementation on feed intake, nutrient digestibility, rumen microbial population and methane production in Thai native beef cattle.

Methods

Four Thai native beef cattle bulls (190 ± 2 kg) were randomly allotted to four respective dietary treatments in a 4 × 4 Latin square design. Treatments were the varying levels of Bamboo-Cass supplementation at 0, 50, 100, and 150 g/head/day, respectively. Rice straw was fed ad libitum and the concentrate offered at 0.5% of body weight.

Results

Under this experiment, the findings revealed that acetate and butyrate production were decreased (p<0.05), propionate increased (p<0.05), whilst ruminal NH3-N concentration was decreased (p<0.05) by supplementation of Bamboo-Cass at 150 g/head/day. Moreover, rice straw intake, and microbial population were linearly increased (p<0.05), while methane production was decreased (p<0.05).
Conclusion
The results from the present study indicate that supplementation of Bamboo-Cass at 150 g/head/day significantly enhanced feed intake, decreased protozoa and increased bacterial population, rumen fermentation efficiency while decreased methane production. Therefore, Bamboo-Cass as a supplement is promising as a rumen enhancer in beef cattle fed on rice straw.
Keywords: Rumen Fermentation; Bamboo-Cass; Rice Straw; Methane Production


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