Mycoplasma strains present in baladi hatcheries in baladi hatcheries in dakahlia governorate

Avian Mycoplasma are considered one of the important economic problems forultry industry, therefore thisinvestigation was conducted to determine the idence of Mycoplasma strains in infertile eggs, dead in shell embryos and one day chicks and ducklings in baladi hatcheries.A total of 700 samples including 400 chickens and 300 duck samples collectedill different baladi hatcheries located in Dakahlia Govemorate, were examined for tection of Mycoplasma species. In this investigation, the results declared that the Iycoplasma SPP were isolated from 10.0% of examined 700 samples Mycoplasma SPP. could be holeplasmas were recovered from chickens from duck 32 Mycoplasma isolates (10.70/0) were recovered from 300 amined samples which indentified by digitonin test to 12 acholeplasma isolates .0%) and 20 Mycoplasma isolates (6.7%) Mycoplasma spp . which isolat