Nutrition of chicks and layers

Autor: T. R. Morris
Rok vydání: 2004
Předmět:
Zdroj: World's Poultry Science Journal. 60:5-18
ISSN: 0043-9339
Popis: When formulating least-cost poultry diets, ME concentration should be optimised by an iterative procedure, not entered as a fixed value. This iteration must calculate profit margins by taking into ...
Databáze: OpenAIRE