Studies on new finding feed resources and application in tropical Asia

2016 Fiscal Year Final Research Report

• Project/Area Number: 24405041
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Partial Multi-year Fund
• Section: 海外学術
• Research Field: Zootechnical science/Grassland science
• Research Institution: Kyoto University
• Principal Investigator: Kumagai Hajime 京都大学, (連合)農学研究科(研究院), 准教授 (50221940)
• Co-Investigator(Kenkyū-buntansha): 林 義明 名城大学, 農学部, 准教授 (20454415) ; 廣岡 博之 京都大学, (連合)農学研究科(研究院), 教授 (60192720)
• Project Period (FY): 2012-04-01 – 2017-03-31
• Keywords: 熱帯アジア / 飼料資源 / 反芻動物 / 飼養管理 / 副産物資源 / 国際研究者交流

Outline of Final Research Achievements

Total mixed ration silage from cassava pulp and liquid brewer’s yeast, and new feeds using by-products from processing nucleic and amino acid seasonings were tested in Thailand. The test diets showed excellent in vitro ruminal fermentation characteristics and palatability for cattle. Desalted mother liquor improved fiber digestibility. Chemical composition and in vitro ruminal digestibility in locally available pasture and native grass in Philippines and Nepal were measured. Several pasture and native grass samples showed high crude protein contents and dry matter digestibility and the variation of the values were relatively small indicating they were available feed resources for cattle, buffalo and goats. Attention should be paid to the nutritional statuses of energy, P, Ca and Cu in winter in yaks in Nepal. Utilization of low-priced energy and nitrogen sources and mineral supplementation may improve production and fertility of yaks especially in winter.

Free Research Field

家畜飼養学