1. Aditya, S., 2011. The effect of rambutan peel (Nephelium lappaceum) as reducing agent on in vitro methane production within creating environment friendly farming. In: Köfer J, Schobesberger H, editors. Animal hygiene and sustainable livestock production. Proceedings of the XVth international congress on animal hygiene;July 3–7; Vienna, Austria.
2. Ampapon, T., Wanapat, M. and Kang, S., 2016. Rumen metabolism of swamp buffaloes fed rice straw supplemented with cassava hay and urea. Trop. Anim. Health and Prod., 48,779–784.
3. Anantasook, N., Wanapat M., Cherdthong, A. and Gunun, P., 2013. Effect of plants containing secondary compounds with palm oil on feed Intake, digestibility, microbial protein synthesis and microbial population in dairy cows. Asian Australas. J. Anim. Sci., 26(6) ,820–826 June 2013.
https://doi.org/10.5713/ajas.2012.12689
4. Anantasook, N., Wanapat, M., Cherdthong, A. and Gunun, P., 2015. Effect of tannins and saponins in Samanea saman on rumen environment, milk yield and milk composition in lactating dairy cows. J. Anim. Physiol. Anim. Nutr., 99, 335–344. doi:
https://doi.org/10.1111/jpn.12198
5. AOAC. International, 1995. Official method of analysis, animal feeds. 16th edn. Association of Official Analytical Chemists, Arlington, VA, USA.