Some problems of poultry immunization
Release time:
Jul 19,2019
The best doctor for animals is their own immune system. Only the immune system is functioning properly,The body will be strong, can effectively resist the invasion of most diseases.
PoultryThe immune system is composed of multiple organs of the body working together in coordination. The immune organs are divided into central immune organs and peripheral immune organs. The central immune organ is the place where all kinds of immune cells occur, differentiate, develop and mature. Peripheral immune organs are the sites where lymphocytes and other immune cells colonize, proliferate, and generate immune responses.Central immune organs include:Thymus, bursa, bone marrow.Peripheral immune organs include:spleen,Intestinal lymphoid tissue, paramural lymphocytes.
How to make poultry get a good immune effect:
1Poultry health: Only healthy chickens can produce a good immune response, and vaccination will cause immune failure when chickens are not healthy. Especially the presence of immunosuppressive disease. such as bursal disease, coccidiosis, etc
2. Reasonable arrangement of immunization procedures: partial overlap and no blank are allowed during immunization.It is necessary to take into account the maternal antibody, the local epidemic situation, the season and the environment, and the state of the flock.The interval between immunization, the mutual interference between vaccines, the virulence and performance of vaccines, the method of immunization, the use of vaccines, etc,Avoid copying.'
3The correct immune operation, so that the poultry to obtain a good immune effect:Immune operation refers to the specific steps, action essentials and precautions in the immune process. Different immune operation methods are different. Immunization personnel need to have certain professional quality and strong sense of responsibility. In the process of immunization, correct and standardized operation methods can ensure that the chickens are vaccinated with the same amount of vaccine and minimize stress, so as to ensure the simultaneity of the immune response of the whole chickens.
4The necessary antibody detection is the guarantee of poultry immunity. Antibody detection can directly reflect the antibody titer and uniformity. General live seedlings after exemption 1The weekly antibody starts to rise and reaches its peak at 2 weeks of age, which can be maintained for 2 weeks.The antibody began to rise 2 weeks after the inactivated vaccine, reached the peak at 4 weeks of age, and could be maintained for 3-4 months.
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