Effect of timing of urea feeding on the yield and quality of embryos in lactating dairy cows

Autor: Dawuda, P.M, Scaramuzzi, R.J, Leese, H.J, Hall, C.J, Peters, A.R, Drew, S.B, Wathes, D.C
Zdroj: In Theriogenology November 2002 58(8):1443-1455
Databáze: ScienceDirect