Salmonellae prevalence in intensive, free range and organic broiler production systems
Literatur
Wolf-Reuter M, Matthes S, Ellendorff F (2002) Salmonellae prevalence in intensive, free range and organic broiler production systems. Arch Geflugelkd 66(SH 2):158
Effect of daily transition from light to darkness (light-off) on vocalisation in young chicken flocks
Literatur
Mair J, Marx G, Petersen J (2002) Effect of daily transition from light to darkness (light-off) on vocalisation in young chicken flocks. Arch Geflugelkd 66:80