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Method for preventing and controlling mycoplasma virus infection of egg breeding hens

A technology for virus infection and Mycoplasma gallis, which is applied in food processing, animal husbandry and other directions to achieve the effect of reducing infection rate, good preventive effect and improving overall immunity

Pending Publication Date: 2022-07-08
BEIJING HUADU YUKOU POULTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The prevention and control of chicken mycoplasma disease must adopt comprehensive prevention and control measures, and a single measure alone cannot achieve the desired effect. At present, the field of poultry breeding hopes to explore a set of effective prevention and control methods for mycoplasma virus infection, and emphasizes the prevention and control of mycoplasma virus infection. In this whole set of methods, the important role of prevention should be emphasized

Method used

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  • Method for preventing and controlling mycoplasma virus infection of egg breeding hens
  • Method for preventing and controlling mycoplasma virus infection of egg breeding hens

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1 Construction of biosafety system

[0030] (1) Empty field management

[0031] All in and all out: The chicken flocks in the farm area realize "all in and all out", preventing the "meeting" of new and old flocks, and preventing the spread between flocks.

[0032] Strict empty farm management: After the chickens are all transferred or eliminated, the chicken house and farm area shall be comprehensively sorted and disinfected, and the farm area shall be "free of chicken feathers", "free of chicken manure" and "free of material residue"; Facilities and equipment directly related to chickens are fumigated with formaldehyde. The fumigation time is 24 hours. The amount of disinfectant is calculated by using 20 grams of potassium permanganate and 40 ml of formalin per 1 cubic meter of space; Soak and disinfect with caustic soda solution for more than 24 hours; drinking water pipes are soaked and disinfected with hydrogen peroxide type disinfectant for 24 hours, the c...

Embodiment 2

[0042] Embodiment 2 is based on the drug control of chicken age and special stage

[0043] (1) 10-12-day-old control based on vertical transmission to increase the risk of infection: Mycoplasma can be transmitted vertically. After the previous generation of chickens is infected with Mycoplasma, the next generation of chickens can develop respiratory symptoms at 10 days of age without taking measures. Therefore, if the prevention of mycoplasma is carried out within 10 days of age, the drug prevention can be carried out simultaneously when the chickens are immunized with avian influenza H5+H7 vaccine at the age of 10 days. 1000ml vaccine.

[0044] (2) 15-25-day-old control based on environmental quality improvement of infection risk: chicken flocks perform the first moult at 15-25 days of age. At this stage, a large number of small fluffs of chickens fall off, and the chicken house is gradually de-warmed and ventilated. The amount of dust in the house is relatively small, and t...

Embodiment 3

[0053] Embodiment 3 Adjustment of temperature and humidity according to age

[0054] According to the day age of the chicks, the temperature and humidity are controlled as follows: 1-14 days temperature 30-35 ℃, humidity 50-65%; 15-30 days temperature 20-28 ℃, humidity 40-55%; more than 30 days old Temperature 20-22℃, humidity 40-55%. If the temperature and humidity are not suitable, the chickens are prone to chronic respiratory diseases and induce mycoplasma infection. Under the same temperature conditions, the higher the humidity, the higher the incidence rate. Therefore, the temperature and humidity should be appropriately reduced under the conditions that meet the needs of the chickens. Effective against mycoplasma.

[0055] The temperature is recorded periodically and the condition of the flock is monitored at the same time. When the temperature is suitable, the chicks are lively, have a strong appetite, drink moderate water, sleep quietly, evenly distribute and lie pro...

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Abstract

The invention provides a method for preventing and controlling mycoplasma virus infection of egg breeding chickens, which is characterized in that the method for preventing and controlling mycoplasma virus infection comprises the steps of biosafety system construction, drug control based on chicken day age and special stage, and chicken house environment control, the drug control based on the chicken day age and the special stage comprises 10-12-day-age control for increasing infection risk based on vertical transmission, 15-25-day-age control for improving infection risk based on environment quality, vaccine immunization stage control for increasing infection risk based on disease induction and group transfer stage control for increasing infection risk based on group transfer stress. According to a chicken flock mycoplasma infection rule, the day age factor, the environment factor and the disease factor are comprehensively considered, a whole set of prevention and control method suitable for egg breeding chicken mycoplasma virus infection is explored, and the mycoplasma virus infection rate is effectively reduced.

Description

technical field [0001] The present application relates to the technical field of poultry breeding, in particular to a method for preventing and controlling mycoplasma virus infection in laying hens. Background technique [0002] At present, the breeding volume of domestic poultry in my country ranks first in the world, but the overall breeding level is not optimistic and is plagued by many diseases. According to the serological survey conducted by Ning Yibao and Ji Xilin on 20 provinces and cities across the country, the positive infection rate of domestic chickens was 80%. It can be seen that the disease has become widespread in my country and caused serious economic losses to the chicken industry. disease. Due to the widespread use of Mycoplasma gallisepticum vaccine and the widespread use of antibiotics in chickens, a considerable number of farms in my country have latent infection of Mycoplasma, which will break out when there are stress factors, especially if the equipm...

Claims

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Application Information

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IPC IPC(8): A01K67/02
CPCA01K67/02Y02P60/87
Inventor 李伟魏晓冉李奎赵向朋李滨洲张明会刘瑞磊
Owner BEIJING HUADU YUKOU POULTRY
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