Studies On Epidemiological Features And Prevention And Cure For Fowlpox Disease In Bin Zhou Area

Fowlpox is an acute infectious disease caused by Fowlpox virus. The main character is that variola on the hairless skin,or form the filamentous necrotic scab on the mouth and the throat. The mortality is over 20%,and can induce high death rate with other infection intercurrent. Young one would become thin and retarded growth; the laying rate decline when the broiler breeder infected. It's often happens on chichen and the turkey, sometimes the dove. All the age of chicken can infected,especially the grown and the pullet. The disease is easily prevalence in Autumn and winter, the cutaneous Fowlpox happens in autumn(8-10 month), mucous membrane Fowlpox happens in winter.This gets sick preventing and controlling mainly adopts meets the broiler breeder Fowlpox weak poisonous seedling regularly, recent year, in the prophylatic inoculation process, appears the immunity defeat phenomenon frequently, causes the chicken smallpox disease incidence rate obvious increase. The nation often has the partial eruption chicken smallpox the report. Since 1998, the binzhou area has erupted popular chicken smallpox disease, in on clinical except performance for traditional skin, outside mucous membrane, but also appeared the eye nose newly, internal organs chicken smallpox. Each kind of variety, the date age chicken all may occur, the young chicken on 6 -7th the age is taken bad most early, the meat chicken general 4 -6 weeks ages are taken bad. This gets sick popularly broad, causes the chicken group growth to be blocked, the disease incidence rate 10 -70%, the mortality rate does not surpass 20% generally, but because is often concurrent or continues has other diseases but to cause chicken's large quantities of deaths, moreover the ordinary chicken smallpox thorn plants the immunity not to be able to cause the chicken group to obtain the protection, must the immunity, the long-term madicine control be able to maintain the chicken group repeatedly the health, created the production cost to enlarge, provides the chicken industry to create the huge economic loss,seriously dampened has raised chickens the specialized household the enthusiasm.New characteristic occurs which according to the chicken smallpox, in coor with progress of production reality, has the pointed development new chicken smallpox diagnosis and the preventing and controlling engineering research is...