Research on incubation bacterial microflora

Abstract

Investigations were conducted on samples of the pathological material, represented by 17-18 day embryonated eggs, unviable chickens that died in the first two days after hutching, and incubation wastes (eggshells). For germ isolation, inseminations were carried out on usual mediums (gelose and nutritive bullion) and on selective and enriching growth mediums (Chapmann, Drigalsky, Levin, Wilson-Blaire and Istrate-Meitert). The bacteriological exam allowed the isolation of a mixed flora, represented by Proteus vulgaris, Escherichia coli, Bacillus cereus, Staphylococcus aureus and Salmonella spp. In most cases, the germs were associated by two or three. Most of the strains were isolated from the strains of Escherichia coli - 82 (15.12%), Proteus vulgaris - 66 (12.36%), Staphylococcus aureus - 42 (7.93%), Bacillus cereus - 31 (5.72%) and Salmonella spp. - 5 (0.92%).