The Investigation Of The Chicken Leucocytozoonosis In Datian County

Leucocytozoonosis is widespread in the production of chicken.It is being very harmful.It is very high of morbidity and death rate.They often bring huge economic losses to chicken man.The test is mainly aimed at the breeding status of chickens in Datian County.The current status survey was carried out on the disease of Leucocytozoonosis in Datian County.The experiment was conducted to select six towns in the county of Datian County.It is basis for the selection of different dltitudes and climates,different ways of raising management and different breeds of chickens and so on.Twenty-five chicken houses were choosed in total for experiment and choosed twenty chicken in each farm for taking the blood sample.The sample is from chicken wing vein and blooding smear,observing the gametophtye of the Leucocytozoonosis.In addition,chicken confirmed through the blood smear method,the clinical symptoms are in accord with the essential feature of Leucocytozoonosis.So,the Leucocytozoonosis in Datian township by chicken Leucocyte Pest cause.According to the survey,the infection is decreasing from high to low.It is higher in Xieyang and Wushan township.The infection rate was 26.3%and 19.2 respectively.It is lower in Jianshe township and the infection rate was 12.5%.The infection rate of cage-culture is lower than cage-free.The infection rate of cage-culture is 5%and the infection of cage-free is 23.6%.The infection rate of local chicken is lower than foreign chicken.The infection rate of local chicken is 15%and foreign chicken is 24.7%.Chicken who days of age in 21-60 are susceptible to Leucocytozoonosis.The infection rate is 26.7%.In order to reduce drug residues and ensuring food safety.Farmers should be given enough attention in summer and autumn season.It is supposed to adopt prevention first,then prevention and treatment integrated guidelines.The chicken in egg-laying try to choose Chinese herbal medicine preparation.It can not used sulfonamides to precaution and treatment.The farms are as flat as possible and catchment smooth and lower altitude.If there are conditions,we should try to adopt cage-culture.The environment around the henhouse should to disinfect regularly.The purpose is wipe out to culicoides and reducing infection rate.