作者单位
Department of Animal Science, University of Arkansas, Fayetteville, AR 72701, USA
[1]
Department of Animal Science, University of Arkansas, Fayetteville, AR 72701, USA;Department of Agricultural Sciences, Morehead State University, 327 Reed Hall, Morehead, KY 40351, USA
[2]
USDA-ARS, US Dairy Forage Research Center, Marshfield, WI 54449, USA
[3]
USDA-ARS, Forage Animal Production Research Unit, Lexington,KY 40546, USA
[4]
DOI
10.1186/2049-1891-4-20
发布时间
2014-01-10