New procedures in estimating feed substitution rates and in determining economic efficiency in pork production | Replacement rates of corn and soybean oilmeal in fortified rations for growing-fattening swine
1954
Heady, Earl O. (Earl Orel)
AGROVOC关键词
书目信息
New procedures in estimating feed substitution rates and in determining economic efficiency in pork production. 1, Replacement rates of corn and soybean oilmeal in fortified rations for growing-fattening swine
Research bulletin (Iowa Agricultural Experiment Station)
出版者
Agricultural Experiment Station, Iowa State College
其它主题
Feeding and feeds
语言
英语
注释
by Earl O. Heady [and others].
类型
Government Publication; Text; Monographic
2024-02-27
MODS