2 年 - 翻訳

by GJ Pirelli · Cited by 3 — The authors acknowledge the Beef Production classes of 1995,. 1996 ... from a commercial beef herd comes mainly ... Cow-Calf Management Guide and Cattle.. This book provides the background to allow cattle producers to match their production environments with genetic, management, and marketing opportunities for .... by SL Boyles · Cited by 1 — Secretariat for Agriculture, Livestock, Fisheries and Food, Argentina. Keywords: Beef, cattle, rumina