A comparison of production, reproduction, and animal health for pastured dairy cows managed either conventionally or with use of organic principles

Autor: Mullen, K.A.E. *, Dings, E.H.A. , Kearns, R.R. *, ‡, Washburn, S.P. *
Zdroj: In The Professional Animal Scientist April 2015 31(2):167-174
Databáze: ScienceDirect