Fowl leukemia purification method

Abstract

The invention provides a fowl leukemia purification method, comprising the steps of determining a breeding target, screening individuals that basically meets the characteristics of the breeding target, numbering all individuals to form an F0 generation breeding population, adopting single-cage feeding, conducting artificial insemination; adopting an ALV P27 antigen detection method to conduct breeding screening on fowls from F0 to F4; and finally conducting 4-5 generations of purification through a breeding core group until ALV P27 antigen detection reaches zero detection, so as to realize fowl leukemia-negative specialized strain cultivation. According to the invention, breeding work and disease purification work are organically combined to form a fowl leukemia breeding purifying group, and a specialized fowl leukemia-negative strain is cultivated for commercial matching production. The method of the invention completely solves the purification problem of fowl leukemia from the provenance.

Description

technical field [0001] The invention belongs to the technical field of poultry breeding, and in particular relates to a method for purifying avian leukemia. Background technique [0002] Avian leukemia (AL) is a general term for a variety of tumor diseases in poultry caused by avian leukosis virus (ALV) and avian sarcoid virus (ASV), mainly lymphocytic leukemia, followed by erythroblastic leukemia, myeloblastosis leukemia. The disease can not only cause subclinical pathogenic effects such as immunosuppression and production performance decline in infected chickens, but also induce various acute or chronic tumors of different cell types and lead to death. ALV can spread both vertically and horizontally, seriously endangering the development of poultry industry. Moreover, as an immunosuppressive disease, there is currently no effective drug prevention and control program, so establishing avian leukosis-negative breeder flocks is the most effective measure to control the dise...

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention aims at the problems of high cost and low efficiency of the existing avian leukemia purification technology, through the organic combination of breeding work and disease purification work, a method for purification of avian leukemia is proposed. Breeding core group, cultivate avian leukosis-negative specialized strains for the production of commercial matching lines, completely solve the problem of purification of avian leukosis from the provenance