Survey of Dairy Management Practices on One Hundred Thirteen North Central and Northeastern United States Dairies

Autor: Fulwider, W.K., Grandin, T., Rollin, B.E., Engle, T.E., Dalsted, N.L., Lamm, W.D.
Zdroj: In Journal of Dairy Science April 2008 91(4):1686-1692
Databáze: ScienceDirect