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Coccidiosis-in-chicken vaccine immune method

A technology for chicken coccidiosis and coccidiosis, which is applied in the field of chicken coccidiosis vaccine immunization, can solve problems such as shortening the time for vaccine immunization to establish protective power, achieve good economic benefits, increase breeding benefits, and enhance immunogenicity. Effect

Active Publication Date: 2017-03-15
CHINA AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems existing in the existing coccidiosis vaccine immunization, the object of the present invention is to provide a new chicken coccidiosis vaccine immunization method, change the existing coccidiosis vaccine immunization strategy or immunization program, and shorten the establishment of vaccine immunization The duration of protection, thereby reducing the negative effects of chickens ingesting the oocysts excreted after self-vaccination, and at the same time providing good immune protection against coccidiosis infection for chickens

Method used

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Examples

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Effect test

Embodiment 1

[0039] This example is used to illustrate the immunization method described in the present invention.

[0040] Such as figure 1 As shown, 1-day-old chicks were orally immunized with coccidiosis vaccine (dose 550±10% oocyst / feather), normally fed feed without anticoccidial drugs, free to drink water, 2 days after the initial immunization (3-day-old chicks ), carry out re-immunization with the same dose (550±10% oocyst / feather).

Embodiment 2

[0042] The difference between this example and Example 1 is that the re-immunization time is 1 day after the initial immunization (the chicks are 2 days old).

Embodiment 3

[0044] The difference between this example and Example 1 is that the re-immunization time is 3 days after the initial immunization (the chick is 4 days old).

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Abstract

The invention relates to the field of biological immunity, and particularly discloses a coccidiosis-in-chicken vaccine immune method. The coccidiosis-in-chicken vaccine immune method includes the specific steps that one-day-age chickens are immunized coccidiosis vaccine through mouths for 1 day to 3 days, and then are immunized same coccidiosis vaccine. Coccidiosis-in-chicken vaccine immune is carried out with the method, the risk that oocysts are largely discharged after primary immunization to be eaten by chickens to break out coccidiosis can be effectively avoided, the uniformity coccidiosis vaccine immune can be increased to be 90% or above, the immune protection force can be also rapidly built, better protection is achieved to secondary coccidium infection, production performance reduction caused by vaccine immunity is retarded, and the culture benefits are increased. Meanwhile, the using amount of anti-coccidiosis medicine can be reduced and avoided, and safer and more environmentally friendly poultry and egg products are provided; in addition, the cost of the immune method is saved, and economic benefits are huge.

Description

technical field [0001] The invention relates to the field of biological immunity, in particular to chicken coccidiosis vaccine immunization. Background technique [0002] Chicken coccidiosis (Coccidiosis in Chicken) is a common and very serious parasitic disease in chickens. It is an acute epidemic parasitic disease caused by one or more coccidiosis. The economic damage it caused was staggering. The morbidity and mortality of 10-30-day-old chicks or 35-60-day-old young chickens can be as high as 80%. The growth of the sick chicks is hindered, and the weight gain is slow; the adult chickens generally do not get sick, but they are carriers, and the weight gain and egg production ability are reduced, which is an important source of spreading coccidiosis. [0003] At present, the immunization procedure of chicken coccidiosis vaccine all adopts chick one-time immunization method. It uses the oocysts excreted by chickens to ingest their own vaccinations for booster immunization...

Claims

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Application Information

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IPC IPC(8): A61K39/012A61P33/02C12N15/63C12N1/11
CPCA61K39/012A61K2039/542A61K2039/545A61K2039/552C07K14/52C07K14/57
Inventor 索勋索静霞汤新明刘贤勇
Owner CHINA AGRI UNIV
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