12results about How to "Increase egg production" patented technology

The utility model discloses an automatic cleaning laying hen breeding cage, including hencoop, excrement cleaning mechanism, crib cleaning mechanism and control panel, control panel is installed on one side of hencoop, the hencoop is formed by connecting cage body and frame, excrement cleaning mechanism includes collecting tank, screw transmission group, support seat, cleaning box and cleaning roller, and the cleaning roller is connected with the collecting tank. The feeding trough cleaning mechanism comprises a flow guide pipe and a scraping plate. The chicken coop is provided with the excrement cleaning mechanism, the feeding trough cleaning mechanism and the control panel, excrement generated by laying hen breeding can be automatically collected, excrement adhering to the bottom face of the chicken coop can be cleaned, peculiar smells and virus spreading in a breeding house are reduced, meanwhile, residual feed in the feeding trough is cleaned, and the breeding efficiency is improved. Bacteria breeding in the feeding trough is avoided, a good feeding environment is provided for laying hens, and the egg laying yield is increased.

The present application belongs to the field of bio-technology of agriculture and forestry, and relates to a method for increasing the egg production of Spodoptera litura based on irradiation mode. 60 Co source irradiation treatment; the irradiated Spodoptera litura pupae are cultured in an incubator to emerge, then the adults are moved to an adult rearing cage for rearing, and honey water is provided for nutrition. Through effective accumulated temperature treatment, a large number of Spodoptera litura pupae with consistent development are selected as irradiation objects, which can greatly increase the egg production of Spodoptera litura under the premise of ensuring the emergence rate of Spodoptera litura pupae and the lifespan of adults, increase the production of test insects, and the operation process is simple, safe and reliable, which provides a large amount of production insect source for conveniently and quickly producing biological control agent nuclear polyhedrosis virus by using Spodoptera litura, and expanding the host parasitic wasp by using the insect as host.

The application provides a composition for improving intestinal digestive enzyme activity and application thereof, and belongs to the technical field of animal medicine. The composition is composed of double-kidney polysaccharide, ginsenoside Rb1 and ginsenoside Rg1. In the composition, the mass ratio of the double-kidney polysaccharide, the ginsenoside Rb1 and the ginsenoside Rg1 is 90:5:5 or 95:2.5:2.5, preferably 90:5:5, and the intestinal digestive enzyme is specifically duodenal trypsin and amylase. Experimental results show that the composition can significantly synergistically improve the activities of the duodenal trypsin and amylase of laying hens, improve the feed utilization rate, thereby improve the egg production rate, improve the egg weight and the eggshell strength, and effectively improve the breeding benefit of the laying hens.

The invention discloses a targeted compound probiotic preparation for producing SOD (superoxide dismutase) eggs, which is prepared from the following active ingredients in percentage by mass: 5 to 15 percent of bacillus licheniformis, 3 to 10 percent of pseudomonas strain NJ-62, 15 to 30 percent of saccharomyces boulardii, 10 to 20 percent of lactobacillus plantarum, 8 to 15 percent of bacillus subtilis, 10 to 20 percent of candida utilis and 5 to 15 percent of lactobacillus acidophilus. The invention relates to the technical field of healthy breeding of livestock and poultry and production of functional food, in particular to integrated production of'safety 'and'function', specifically, targeted biological detoxification and nutrition metabolism induction technologies are deeply integrated for the first time, and complex probiotic groups remove antibiotics, heavy metals and other endogenous and exogenous pollutants in advance, so that a'clean 'physiological environment is created for laying hens; on the basis, efficient synthesis of SOD is specifically induced, and the problem of potential safety hazards of the functional eggs is fundamentally solved.

This invention discloses a method for breeding a breeding stock, comprising the following steps: Step 1: Determining the combining ability testing scheme for the parent generation of Kebai chickens; Step 2: Analyzing the combining ability testing data of the parent generation and screening out commercial generations; Step 3: Measuring the combining ability of the commercial generations; Step 4: Analyzing the data of the commercial generations; Step 5: Measuring the meat quality of the commercial broilers; Step 6: Analyzing the production performance of the commercial generations and their parent generations according to Step 3; By measuring the combining ability of the parent generation of Kebai chickens, corresponding commercial generations are screened out, and the performance of the commercial generations is measured. The analysis results show that the egg production of 66-week-old breeding chickens is 5-8 fewer eggs than that of high-yielding commercial laying hens, while the various performance characteristics of the commercial generations are more than 10% higher than those of "817". The breast and leg muscles are basically similar to those of "817", and the meat quality also has a significant advantage. The breeding benefits are significant, and it has good market promotion prospects.

A method for promoting ovarian development of pelteobagrus vachelli belongs to the technical field of fish culture, and is characterized in that in the pelteobagrus vachelli culture process, a functional additive is fed at the ovarian development preparation stage and the ovarian development strengthening stage, and the functional additive is prepared by mixing epigallocatechin gallate and compound unsaturated fatty acid, adding the compound unsaturated fatty acid into the mixture, and stirring to obtain the functional additive for promoting the ovarian development of the pelteobagrus vachelli. Beta-cyclodextrin is firstly adopted for inner layer embedding, then chitosan is adopted for outer layer coating, the microcapsule is prepared, and the composite unsaturated fatty acid is composed of monounsaturated fatty acid and polyunsaturated fatty acid according to the volume ratio of (0.8-1): (1-1.2). EGCG and compound unsaturated fatty acid are compounded and embedded to prepare microcapsules, the microcapsules are added into feed for feeding, ovarian development of pelteobagrus vachelli is effectively promoted, the number of oocytes of pelteobagrus vachelli is increased, meanwhile, the cell proportion of III-stage oocytes is increased, the reproductive capacity of pelteobagrus vachelli is effectively improved, the survival rate of pelteobagrus vachelli is increased, and the survival rate of pelteobagrus vachelli is increased. The egg laying amount, the fertilization rate and the hatching rate are improved.

The present application relates to a kind of feed additive for improving fatty liver of post- laying hen and its preparation method and application method, belong to livestock and poultry feed processing technical field.For the single component additive effect of post- laying hen fatty liver is limited, and lack of the plant combination with synergistic effect screened from local characteristic plant resources.The feed additive provided by the present application comprises the ethanol extract of the mixture of small Xianggou root, tea leaf piece and San Ye Qing tuber, and the weight ratio of small Xianggou root, tea leaf piece and San Ye Qing tuber is (4.0-4.2) : (3.3-3.4) : 2.6.The additive can systematically improve the liver lipid metabolism of post- laying hen, reduce the triglyceride and total cholesterol levels in liver and serum, relieve fatty liver hemorrhagic syndrome, and improve egg production rate and egg quality.The additive is mainly used for post- laying hen feed to improve liver health and maintain production performance.

The invention discloses a zhou chicken molecular marker genotype and phenotype correlation analysis and breeding method. The method comprises the following steps: firstly, collecting zhou chicken samples, recording growth, slaughter and reproduction phenotype indexes, extracting genome DNA, screening specific SNP markers on GH, IGF-1 and PRL genes, judging genotypes through PCR amplification and Sanger sequencing, and screening AA (GH), GG (IGF-1) and TT (PRL) dominant genotypes through GLM model correlation analysis; and screening a core parent based on the dominant genotype, and carrying out artificial hybridization, hatching egg incubation, chick breeding, offspring genotype and phenotype double screening and multi-generation breeding to obtain an excellent new strain. According to the new strain, the weight of the 12-week-old cocks is larger than or equal to 1650 g, the weight of the hens is larger than or equal to 1300 g, the slaughter rate is larger than or equal to 88%, the first laying day age of the hens is smaller than or equal to 140 d, the annual egg yield is larger than or equal to 200, the growth speed and the annual egg yield are increased by 25% and 18% respectively compared with a traditional variety, the problems that traditional breeding is long in period and low in accuracy are solved, and accurate and efficient breeding is achieved.

The application provides alligator feed, an alligator feeding method and application, and relates to the technical field of alligator breeding. The alligator feed with high meat yield rate comprises fish, fish meal, vitamins, calcium powder, medicinal materials and probiotics; the fish meal comprises fish, shrimps and land animal meat; and the medicinal materials comprise at least one of malt, houttuynia cordata and hawthorn. Through the alligator feeding method, the alligator feed is fed, the meat yield rate, the egg production rate of alligators, and the fertilization rate and the hatching rate of alligator eggs are improved, the alligator feeding system has high economic benefits, and the preparation method of the alligator feed is simple and efficient.

The present application relates to the technical field of feed, and discloses a kind of Chinese grain amaranth fermented feed of laying hen and production method thereof.The present application is through the deep cooperation of lactic acid bacteria in Chinese grain amaranth silage and exogenous high-activity yeast, makes pH value stable at 4.5~4.9, makes shelf life from less than 1 month to more than 5 months, effectively solves the industry pain point that fermented feed is easy to mildew, adds detoxification cottonseed meal or fish meal to compensate 0.45% egg methionine, cooperates fermentation process to make protein utilization rate increase to 68%, ensures that the egg laying rate of laying hen is stably maintained at more than 90%, utilizes Chinese herbal medicine compound powder to efficiently release active ingredients in acidic fermentation environment, controls the incidence of oviduct inflammation of laying hen to be less than 5% and significantly improves eggshell quality, by introducing fine bran as water absorption adjusting carrier, the moisture content of finished product is controlled at 40%-42% and the flowability is more than 92%, completely solves the industrialization adaptation problem that equipment is frequently blocked in fully automatic production line.

The invention discloses a poultry feed using purple-leaf rice straw and application of the poultry feed in the field of poultry feeds, the poultry feed is a mixture of basic feed and silage purple-leaf rice straw, and a preparation method of the silage purple-leaf rice straw comprises the steps that the purple-leaf rice straw is cut up, and then the obtained crushed purple-leaf rice straw is subjected to sealed fermentation treatment to obtain the silage purple-leaf rice straw. The length of the crushed purple-leaf rice straw is 3-5 cm, the water content is 60-70%, the fermentation temperature of the sealed fermentation is 15-30 DEG C, the fermentation time is 40-50 days, and the mass ratio of the silage purple-leaf rice straw in the poultry feed is 5-10%. The poultry feed utilizing the purple-leaf rice straw not only provides a high-added-value recycling means for the purple-leaf rice straw, but also can improve the poultry feeding effect in multiple aspects, and has outstanding practical value in the poultry feeding field.

The application relates to the technical field of feed additives, and particularly discloses a feed additive for laying hens, a feed for laying hens and a preparation method thereof. The feed additive for laying hens specifically comprises the following components in parts by weight: 120-140 parts of ligustrum lucidum, 120-140 parts of angelica sinensis, 100-120 parts of chuanxiong rhizome, 100-120 parts of astragalus root, 80-100 parts of curcuma longa, 80-100 parts of tagetes erecta, 60-80 parts of hippophae rhamnoides, 60-80 parts of hippophae rhamnoides leaf, 60-80 parts of cuscuta chinensis, 60-80 parts of rhodiola rosea, 20-40 parts of cordyceps militaris and 30-50 parts of a stabilizer; the stabilizer is composed of zeaxanthin, glucosinolate and flaxseed gum in a weight ratio of 20-40:10-20:5-10. The feed additive for laying hens and the feed for laying hens provided by the technical scheme can obviously improve the egg production rate of the laying hens and obviously improve the quality of the eggs.