Yazar
Gary Eugene Ricketts
2 cilt bulundu.
Cilt sonuçları
The Illinois beef performance testing program
Gary Eugene Ricketts · College of Agriculture, Cooperative Extension Service, University of Illinois at Urbana-Champaign
24 sayfa · 1978
Beef cattle
Recommendations for a sheep management program
Gary Eugene Ricketts · University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service
87 sayfa · 1983
Sheep