Citation: Hf. Smit et al., OBSERVATIONS ON THE INFLUENCE OF INTESTINAL SPIROCHETOSIS IN BROILER BREEDERS ON THE PERFORMANCE OF THEIR PROGENY AND ON EGG-PRODUCTION, Avian pathology, 27(2), 1998, pp. 133-141
Citation: Rm. Dwars et al., INFECTION OF BROILER PARENT HENS WITH AVIAN INTESTINAL SPIROCHETES - EFFECTS ON EGG-PRODUCTION AND CHICK QUALITY, Avian pathology, 22(4), 1993, pp. 693-701