Forageconcentration相关论文
Effect of forage feeding level on milk production,composition and reproductive characteristics of la
This study was performed on two groups (43 cows) of primiparous lactating Holstein cows (av.124 days in milk:DIM) which ......
This study was performed on two groups (81 cows) of primi-parous Holstein cattle (av.BW 258 ± 90 kg) which were divided......