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Method for improving production performance and chicken quality of broiler chickens by using microecological preparations for broiler chickens

A micro-ecological preparation and production performance technology, applied in the direction of microorganism-based methods, biochemical equipment and methods, microorganisms, etc., can solve problems such as lack of flavor, rough meat quality, and over-fat broiler carcasses

Inactive Publication Date: 2015-09-30
沈阳科丰牧业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the growth rate of broilers is increasing at a rate of 1.0%-1.5% per year, and the carcass of broilers is too fat, and the meat becomes thick, old, loose, and lacks flavor.

Method used

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  • Method for improving production performance and chicken quality of broiler chickens by using microecological preparations for broiler chickens
  • Method for improving production performance and chicken quality of broiler chickens by using microecological preparations for broiler chickens
  • Method for improving production performance and chicken quality of broiler chickens by using microecological preparations for broiler chickens

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Embodiment 1, the preparation of composite bacterial agent for broilers

[0067] This example relates to two kinds of composite bacterial agents for broilers, which are composite bacterial agents A for broilers and composite bacterial agents B for broilers.

[0068] Composite microbial agent A for broilers is to dilute the liquid strains of Bacillus subtilis RJGP16, Saccharomyces cerevisiae CICC1562 and Lactobacillus plantarum CICC22696 to 10 8 After cfu / ml, mix the resulting mixture according to the colony forming unit number ratio of 1:3:1.

[0069] The compound bacterial agent B for broilers is to dilute the liquid strains of Bacillus subtilis RJGP16, Saccharomyces cerevisiae CICC1562 and Lactobacillus plantarum CICC22696 to 10% respectively with sterile water. 8 After cfu / ml, mix the resulting mixture according to the ratio of the number of colony-forming units of 1:1:1.

[0070] Wherein, the liquid strain of Bacillus subtilis RJGP16 is a culture obtained by cultu...

Embodiment 2

[0074] Embodiment 2, the preparation of broiler probiotics

[0075] This example provides two kinds of probiotics for broiler chickens, respectively called probiotics A for broilers and probiotics B for broilers.

[0076] The probiotics A for broilers is a culture obtained by using the fermentation medium A of Example 1 to cultivate the composite microbial agent A for broilers of Example 1. The specific preparation method is as follows: the broiler composite bacterial agent A of embodiment 1 is inserted into the 200L embodiment according to the inoculum amount (the volume of the composite bacterial agent inserted and the volume ratio of the fermentation medium) of 6% (volume ratio). In the 500L fermenter of the fermentation medium A of 1, cultivate for 42 hours at 34°C, with an aeration rate of 600L / h and a stirring speed of 150rpm, collect all the cultured substances (fermentation liquid) in the fermenter, and add The rice husk powder was dried at 50° C. to obtain the probio...

Embodiment 3

[0078] Embodiment 3, improve broiler body weight with the broiler chicken probiotic A of embodiment 2

[0079] 1.1 Test animals

[0080]Select 12,000 1-day-old healthy chicks of Arbor Yijia-Quai large white-feathered broiler chicken with a body weight of 50±5 grams, and randomly divide them into 4 treatment groups, namely the control group, the 0.015% probiotics group, and the 0.025% probiotics group. Ecological preparation group and 0.05% probiotic preparation group. There were 3 replicates per treatment group with 1000 chickens per replicate.

[0081] 1.2 Diet

[0082] Broiler brooding period diets were divided into broiler brooding period common rations, 0.015% broiler probiotics A brooding rations, 0.025% broiler probiotics A brooding rations, 0.05% broiler probiotics A brooding rations. Among them, the common diet for broiler brooding period is shown in Table 1; 0.015% broiler chicken probiotics A brooding period diet is added to the common diet for broiler chicken bro...

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Abstract

The invention discloses a method for improving boiler chicken production performance and chicken quality by microecologics. The method includes the step that chicken quality of boiler chicken fed by chicken daily ration containing the microecologics is better than that of boiler chicken fed by ordinary chicken daily ration. Active ingredients of the microecologics are cultures obtained by using fermentation culture medium to cultivate complex microbial inoculants; active ingredients of the complex microbial inoculants are composed of bacillus subtilis, saccharomyces cerevisiae and lactobacillus; the chicken daily ration containing the microecologics is prepared by adding 0.015% to 0.05% of the microecologics in mass to the ordinary chicken daily ration, and the ordinary chicken daily ration is free of the microecologics.

Description

technical field [0001] The invention relates to a method for improving broiler production performance and chicken quality, in particular to a method for improving broiler production performance and chicken quality by using a probiotic preparation for broiler. Background technique [0002] During the long-term evolution of broilers, the microorganisms in the digestive tract and the host have formed a stable symbiotic relationship, which can maintain the micro-ecological balance in broilers, and has the functions of promoting the development of digestive organs, resisting the invasion of pathogenic microorganisms, and buffering the sudden impact of unfavorable factors. It is beneficial to maintain good health level and production performance of broilers. In recent years, the scale of broiler farming has gradually expanded. Although the scale of industrialized farming has brought greater economic benefits to farmers, the adverse factors such as the deterioration of the breeding...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K1/00A23K1/18C12N1/20C12N1/18C12R1/125C12R1/25C12R1/865
Inventor 高林张子丰朱天勇潘秀东刘俭金石吴鹏飞宋良敏王锡培白子金
Owner 沈阳科丰牧业科技有限公司