Effects on working conditions and environment from different housing systems of laying hens

Gösta Gustafsson, Torgeir Lyngtveit
Bok · Engelsk · 1994

Utgitt	Ås : Norges landbrukshøgskole, Institutt for tekniske fag , 1994
Omfang	8 bl. : fig.
Emner	Animal welfare Environmental control Environmental factors Layer chickens Vis mer... Norway Poultry housing Sweden Working conditions