禽白血病和鸡白痢净化效果的调查与分析

doi:10.11843/j.issn.0366-6964.2018.08.016

Abstract

Abstract:

In order to understand the relationship between the disease eradication and the incidence of epidemics disease, the survey data of 297 large-scale chicken farms in China from 2011 to 2015 were collected, avian leukosis and pullorum disease were selected as the specific eradication diseases. At first, the sample mean T-test was performed to determine whether there were significant differences in the incidence of diseases between purified farms and unpurified farms. Based on this, the Tobit model was used for further quantitative analysis. The results showed that the incidence of epidemic diseases in those farms which have carried out the eradication of avian leukosis and pullorum disease had dropped by 1.416% and 1.370% respectively compared with that of unpurified farms. From the points of different growth state, the incidence of avian leucosis of laying hens and breeder cocks in those farms which had eradicated avian leucosis had reduced by 1.837% and 0.949% respectively compared with that of unpurified farms. The incidence of pullorum disease of chicks, adult chickens and breeder cocks in those farms which had eradicated pullorum disease had decreased by 2.360%, 0.904% and 0.591% respectively compared with that of unpurified farms. In addition, the study found that increasing vaccine input and adopting all-in and all-out feeding method can effectively reduce the incidence of diseases. Lastly, it is suggested that the state should increase the publicity of animal disease eradication, so more farms (households) could recognize the importance of animal disease eradication, and combine with their own actual conditions, in order to carry out the eradication of the disease optimistically.

CLC Number:

S851.33

ZHANG Rui, YANG Lin, ZHANG Miao-jie, LIU Yu-mei. Investigation and Analysis of the Eradication Effect of Avian Leukosis and Pullorum Disease[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2018, 49(8): 1709-1719.

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Investigation and Analysis of the Eradication Effect of Avian Leukosis and Pullorum Disease

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