Comparing dairy farm milk yield and components, somatic cell score, and reproductive performance among United States regions using summer to winter ratios
| Autor: | Guinn, Jenna M., Nolan, D.T., Krawczel, P.D., Petersson-Wolfe, C.S., Pighetti, G.M., Stone, A.E., Ward, S.H., Bewley, J.M., Costa, Joao H.C. * |
|---|---|
| Zdroj: | In Journal of Dairy Science December 2019 102(12):11777-11785 |
| Databáze: | ScienceDirect |
| Externí odkaz: |
|