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A kind of Salmonella cut-off method of laying hens

A technology for Salmonella and laying hens, which is applied in the field of Salmonella truncation, can solve the problems of limited control measures to eliminate the horizontal spread of Salmonella and Salmonella in laying hens, and it does not conform to green and healthy breeding, and achieves the effect of shortening the detection time.

Active Publication Date: 2021-11-30
凤集食品集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the current management of laying hen breeding, the detection is mainly carried out from the front end of the grandparents, parents and hatching, and the chickens that are positive are eliminated, so as to cut off the possibility of vertical transmission of Salmonella, and in the later feeding and management process, do It is good to monitor and control the feeding environment and Salmonella in eggs, but the control measures for the horizontal transmission of Salmonella in laying hens are very limited; and the control by feeding drugs that kill Salmonella can reduce the number of Salmonella, but it does not meet the requirements of green The requirements of healthy farming cannot fundamentally eliminate Salmonella

Method used

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  • A kind of Salmonella cut-off method of laying hens
  • A kind of Salmonella cut-off method of laying hens
  • A kind of Salmonella cut-off method of laying hens

Examples

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Effect test

Embodiment 1

[0019] A method for cutting off Salmonella in laying hens, comprising the steps of: 1) collecting drinking water for breeding chickens, environmental dust in the hen house, chicken cloaca and eggs to detect Salmonella, the detection frequency is once a month for drinking water, and the environment The falling dust is detected once a month, the chicken cloaca is once a month, and the eggs are once half a month; 2) The chicken flocks that are detected as positive in drinking water, falling dust, cloaca and eggs are artificially forced to moult for purification; repeat the operation of step 1) and compare Salmonella detection results before and after moulting.

[0020] The Salmonella truncation method of the present invention directly detects Salmonella in farmed chickens, and purifies the positive chickens by forced moulting technology, and in the later feeding and management process, the breeding environment and Salmonella in eggs are well protected. Monitoring and control to a...

Embodiment 2

[0027] In order to produce high-quality eggs, a chicken flock with 50,000 chickens in stock and 412 days old was selected from a laying hen farm, and the cut-off method of the present invention was used to control Salmonella in eggs. At first adopt detection step of the present invention to carry out Salmonella detection to the sample of each sampling point of flock, result is as follows

[0028] Table 1 Salmonella detection table for chicken flocks

[0029]

[0030] It can be seen from Table 1 that the test results of some samples were positive, so the positive samples were further tested and confirmed, and the test results were as follows.

[0031] Table 2 Salmonella secondary detection table for chicken flocks

[0032]

[0033] As can be seen from Table 2, it can be seen that the flock of chickens has been infected with Salmonella, and the flock of chickens is forced to moult. After the end of the forced molt, the detection steps of the present invention are repeated...

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Abstract

The invention discloses a method for cutting off Salmonella in laying hens, which comprises the following steps: 1) collecting drinking water for breeding chickens, environmental dust in chicken coops, chicken cloacas and eggs to detect Salmonella, and the detection frequency is monthly in drinking water; Detect once a month, environmental fallout once a month, chicken cloaca once a month, and eggs once a half month; 2) Perform artificial forced moulting to purify the flocks that are positive in drinking water, fallout, cloaca and eggs; repeat step 1) operation, comparing the detection results of Salmonella before and after moulting. The Salmonella cut-off method of the present invention directly detects Salmonella in farmed chickens, and purifies the positive chickens by forced moulting technology to achieve the purpose of cutting off the spread of Salmonella; no need to feed sterilizing drugs, which is green and healthy The requirements of breeding not only ensure the benefits of laying hen breeding and production, but also ensure the food safety of eggs.

Description

technical field [0001] The invention relates to a method for cutting off Salmonella, in particular to a method for cutting off Salmonella in laying hens. Background technique [0002] Food safety is a big problem facing human beings, and Salmonella plays a very important role. About 70% of food safety is related to Salmonella. Salmonella not only causes poultry infections, but also causes bacterial infections in humans, which in turn leads to food poisoning, acute gastrointestinal diseases such as inflammation. The new standard for pollution-free eggs is very strict, requiring that salmonella should not be detected in eggs. [0003] The infection route of Salmonella is: Salmonella mainly invades the farm through the medium of chicks, humans, vector animals, management equipment, feed, etc. Due to its strong resistance in the natural environment, once it is contaminated, it is difficult to remove; infected hens give birth Bacteria-carrying eggs, if the bacteria-carrying egg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 徐文龙申弦毕小莲肖猷国徐刚刘欣
Owner 凤集食品集团有限公司
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