Feed conversion efficiency in dairy cows: Repeatability, variation in digestion and metabolism of energy and nitrogen, and ruminal methanogens

Autor: Arndt, C., Powell, J.M., Aguerre, M.J., Crump, P.M., Wattiaux, M.A.
Zdroj: In Journal of Dairy Science June 2015 98(6):3938-3950
Databáze: ScienceDirect