6results about How to "Improve egg production performance" patented technology

The present invention discloses an automatic determination device and method for the egg-laying performance of individual geese in a small group of family cages. The device comprises an egg-laying detection device, a coding area device, a weighing area device, and a combined goose cage. Through the matched egg detection module, coding module, information storage module, information analysis module and corresponding mark detection algorithm, area division algorithm, target continuous counting algorithm, egg goose matching algorithm, event triggering algorithm, egg-laying detection, egg-laying performance detection, egg-laying collection and other related tasks are performed, which effectively solves the problems of waste of resource space, high cost of separate cage breeding facilities and management, and improves the degree of automation.

The invention provides a feed additive capable of improving the egg laying performance and egg quality of snowfield white chickens in plain areas and a preparation method, and belongs to the field of feed additives. The preparation method of the feed additive capable of improving the egg laying performance and the egg quality of the snowfield white chickens in the plain region comprises the following steps: preparing the first component, preparing the second component, and mixing the materials to prepare the preparation. According to the feed additive for improving the egg laying performance and the egg quality of the snowfield white chickens in the plain area and the preparation method, the egg laying performance of snowfield white chicken flocks can be effectively improved under the condition of low additive amount, and the egg quality and the flavor of the snowfield white chickens are effectively improved; the feed additive is good in palatability and free of secondary hazards such as pesticide residues, and the problems that the activity of the fermented soybean meal affects the stability of active ingredients and the application effect is reduced can be effectively solved.

The application discloses a kind of phased addition premix to improve the feeding method of uniformity of young laying hen, and feeds different functional formula combination premix in the period of laying hen brooding and growing period.The present application is added in different stages to premix feed containing different functional components ratio in 1-8 weeks old brooding stage and 9-17 weeks old growing stage according to the characteristics of the growth and development of laying hen in each stage, to improve the nutrient digestion and absorption of laying hen, promote the development of immune function, promote the construction of intestinal microorganism homeostasis, improve bone quality, improve the disease resistance, and finally significantly improve the uniformity of young laying hen.

The invention discloses an additive for improving egg laying performance of laying hens. The additive is prepared by weighing 2 parts of astragalus polysaccharide, 1 part of codonopsis pilosula, 1 part of origanum oil, 0.2 part of vitamin E, 6 parts of tributyrin, 0.5-1 part of selenium yeast and 0.2 part of soy isoflavone. The raw materials are stirred and mixed uniformly in a mixing container; packaging and storing: packaging the stirred and mixed product, and storing in a dry room, so that the intestinal tract can be conditioned, and the body health can be guaranteed; development of ovaries and fallopian tubes is promoted, the ovulation number is increased, and the peak period is quickly reached; the laying peak period is prolonged, and the egg laying number is increased; the eggshell quality is improved and broken eggs are reduced.

The invention relates to a duck-origin IGF2 recombinant protein and a preparation method and application thereof, the amino acid sequence of the duck-origin IGF2 recombinant protein is shown as SEQ ID NO: 2, the duck-origin IGF2 recombinant protein is subjected to duck IGF2 gene coding region PCR amplification to obtain a duck IGF2 amplification product, then the duck IGF2 amplification product is subjected to recombination, inducible expression and purification to obtain the duck-origin IGF2 recombinant protein, and the sequence used for amplification is shown as SEQ ID NO: 3-4. The invention also discloses the application of the duck-source IGF2 recombinant protein in improving the in-vitro proliferation capacity of duck ovarian granular cells. The invention provides a simple, accurate and mature method for inducing the expression of the duck-derived IGF2 protein, and successfully prepares the duck-derived IGF2 recombinant protein. The obtained duck-source IGF2 recombinant protein is used for researching the influence of the IGF2 on the proliferation of duck granular cells and the action mechanism of the IGF2, and a foundation is laid for researching the regulation and control mechanism of the duck ovarian function.