Effect of cereal-based concentrates on productivity of Holstein–Friesian cows grazing short-rotation ryegrass ( Lolium multiflorum) or kikuyu ( Pennesitum clandestinum) pastures

Autor: Fulkerson, W.J., Nandra, K.S., Clark, C.F., Barchia, I.
Zdroj: In Livestock Science 2006 103(1):85-94
Databáze: ScienceDirect