Supplementation of Grass with Concentrates for Spring-Calving Heifers

Autor:	Crosse, S., Gleeson, P.
Zdroj:	Irish Journal of Agricultural Research, 1989 Jan 01. 28(2), 191-194.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/25556246 Zobrazit plný text záznamu