Effects of 2.1 and 3.5 × 106 sex-sorted sperm dosages on conception rates of Holstein cows and heifers

Autor: DeJarnette, J.M., McCleary, C.R., Leach, M.A., Moreno, J.F., Nebel, R.L., Marshall, C.E.
Zdroj: In Journal of Dairy Science September 2010 93(9):4079-4085
Databáze: ScienceDirect