海量图书期刊资源,随时随地畅享阅读乐趣
Effects of Increasing Levels of Grain Supplementation on Rumen Environment and Lactation Performance of Dairy Cows Grazing Grass-Legume PastureR.B. Reis; D.K. Combs · 2000
Effects of Corn Particle Size and Source on Performance of Lactating Cows Fed Direct-Cut Grass-Legume ForageR.B. Reis; F. San Emeterio; D.K. Combs; L.D. Satter; H.N. Costa · 2001