14 results about "Broiler chick" patented technology

The invention discloses a prediction model for predicting the utilization rate of standardized mineral elements of wheat feed raw materials on white feather broiler chickens and construction and application of the prediction model, conventional nutritional ingredients and antinutritional factor contents are obtained as input variables, measured values are taken as output variables, and the standard phosphorus utilization rate = 67.54-2.60 * neutral detergent fibers is obtained; the standardized copper utilization rate is equal to 13.00 + 2.03 * crude protein-3.89 * crude fiber + 13.85 * crude ash-2.51 * phytic acid, the standardized iron utilization rate is equal to 10.05 + 3.21 * crude protein-12.16 * crude fiber + 16.68 * crude ash, and the standardized zinc utilization rate is equal to 14.12 + 29.51 * crude protein-5.42 * crude fiber. The method solves the problems of large workload and long time consumption in the existing determination of the standardized mineral element utilization rate of the wheat feed raw material, and can rapidly predict the standardized mineral element utilization rate of the wheat feed raw material on broiler chickens.

The present application belongs to the technical field of animal health care, and particularly relates to a fermented decoction for improving growth and immune function of broilers and a preparation method thereof. The fermented decoction for improving growth and immune function of broilers is prepared from the following raw materials by fermentation according to weight parts: radix codonopsis 8-12 parts, angelica sinensis 3-7 parts, cornus officinalis 8-12 parts, cinnamomum cassia 3-7 parts and portulaca oleracea 3-7 parts. The fermented decoction significantly increases the body weight of broilers, significantly improves the thymus index and spleen index, and increases the IgG and IgM contents in serum, thereby promoting the growth of broilers and improving the immune function of broilers. The preparation method of the fermented decoction is simple, and is suitable for industrialized production and market promotion and application.

The invention discloses a deep processing method of wheat protein and application of the wheat protein in feed, and belongs to the technical field of deep processing of wheat protein and feed additive.The deep processing method comprises the steps that disulfide bonds are broken through sulfite under the alkalescent condition, so that the protein structure is loosened, then reducing sugar is added, the pH value is adjusted back to be nearly neutral, and the wheat protein is obtained through two-stage temperature-control and humidity-control dry heat treatment; maillard grafting modification and flavor generation are synchronously realized. The whole process does not need an enzyme preparation and is simple in process route; the water-soluble protein content of the obtained product is remarkably improved, the product can equivalently replace fish meal in a broiler chicken test, and the daily gain and the protein digestibility are remarkably improved; the process is simple to operate, low in cost and easy to industrially popularize, and a brand new path is provided for high-value utilization of the wheat protein.

The invention provides an antibacterial peptide and application thereof, and relates to the technical field of antibacterial peptides. The amino acid sequence of the antibacterial peptide disclosed by the invention is as shown in SEQ ID No. 1. When chick embryos are treated by adopting the antibacterial peptide disclosed by the invention, the capability of resisting avian pathogenic Escherichia coli infection of broiler chickens can be improved, the inflammatory response of APEC challenged chickens can be alleviated, the immune response of organisms can be regulated, the adhesion and colonization of avian pathogenic Escherichia coli in broiler chickens can be inhibited, and the antibacterial peptide also has extremely low hemolytic activity and can be used for preventing and treating the avian pathogenic Escherichia coli. The morbidity, death rate and lesion score can be obviously reduced, so that the survival rate of the broiler chicken is effectively improved, the growth of the broiler chicken is promoted, and the breeding benefit is increased. The invention provides a means beneficial to guaranteeing the quality safety and public health safety of poultry products for preventing and controlling broiler chicken colibacillosis, and meets the requirements of modern breeding industry on greenness, safety and high efficiency.

The invention discloses an application of protein zinc with medium chelating strength in improvement of heat stress resistance of chicken, and provides a new function of protein zinc with medium chelating strength, and zinc is added under a heat stress condition to relieve small intestine mucosa injury of heat stress broiler chicken, the medium-chelating-strength protein zinc is added into the feed, so that the relieving effect on the heat-stress small intestinal mucosal injury of the broiler chicken is obvious; wherein the 60mg Zn / kg feed obtained by supplementing the protein zinc with medium chelating strength has a more obvious effect of relieving the heat stress small intestine mucosa injury of the broiler chicken; specifically, the permeability of each section of the small intestine of the broiler chicken is reduced, and the barrier function is enhanced. Therefore, the supplement of the protein zinc with medium chelating strength in the feed is most beneficial to the improvement of the small intestine mucosa injury of the heat stress broiler chicken. The protein zinc with medium chelating strength can be effectively used for preparing a feed additive for improving the heat stress resistance of chicken and preparing a feed additive for improving the small intestine mucosa injury of heat stress chicken.

The broiler chicken brooding automatic constant temperature device comprises a box body, the top of the box body is open, a top cover is rotatably connected to the top of the box body through a hinge, a partition plate is horizontally and fixedly connected to the bottom end in the box body, and a plurality of hollow grooves are formed in the partition plate at equal intervals; a metal supporting net is fixedly attached to the upper surface of the partition plate, a transverse rod is horizontally and fixedly connected to the middle of the top end of the box body, and a temperature control lamp is fixedly installed in the middle of the transverse rod. According to the chicken manure cleaning device, the box body, the partition plate, the metal supporting net, the top cover, the temperature control lamp, the temperature controller, the brush, the driving assembly and the collecting box are arranged, when chicken manure on the surface of the metal supporting net needs to be cleaned, chickens do not need to be grabbed out of the box body, and a hand wheel of the driving assembly is rotated outside the box body to drive the brush to reciprocate on the surface of the metal supporting net; and the chicken manure on the metal supporting net is brushed off, so that the chicken manure falls into the collecting box, and the device is more convenient to clean the chicken manure.

The invention discloses a feed additive containing cyperus esculentus meal resistant starch and a preparation method thereof, and relates to the technical field of biology. The feed additive comprises the following components in parts by weight: 90-110 parts of cyperus esculentus meal resistant starch and 5-15 parts of bifidobacterium breve microcapsules, the preparation method of the bifidobacterium breve microcapsule comprises the following steps: carrying out fermentation culture on bifidobacterium breve, and separating to obtain thalli; carrying out embedding and freeze-drying treatment on the thallus and an embedding liquid to obtain a primary microcapsule; preparing the primary microcapsule into calcium alginate gel beads by adopting a dropping method, and then carrying out curing treatment to obtain the bifidobacterium breve microcapsule. The embedding liquid comprises mulberry leaf polysaccharide and algin. The feed additive provided by the invention can improve the growth performance of broiler chickens, improve the intestinal health, improve the meat quality and reduce the emission of ammonia gas and hydrogen sulfide gas in the manure of the broiler chickens.

The utility model relates to a welfare cage chick house which is characterized in that the welfare cage chick house is formed by stacking a plurality of layers of chicken houses, each layer of chicken house is internally provided with an annular trough, an independent waterline and a bottom net movable platform, and the welfare cage chick house is characterized in that a detachable middle partition net is arranged in each layer of chicken house to divide the chicken house into a left side and a right side; one or more detachable column separation nets are arranged in the left side to divide the left side into a plurality of independent spaces, and a detachable side separation net is arranged on the edge of the left side to enable the left side to form a closed space; or / and one or more detachable column separation nets are arranged in the right side to divide the right side into a plurality of independent spaces, and a detachable side face separation net is arranged on the edge of the right side to enable the right side to form a closed space. According to the utility model, different separation nets are opened to realize a staged space adjusting mechanism (the separation nets are gradually opened in four stages), and the whole-cycle requirements of chicks from incubation to maturity are met from a closed cage to an open space.

The invention discloses a molecular biological identification method and application of fast large and small white feather broiler chickens, a molecular marker is obtained by amplifying genome DNA of a chicken to be detected by adopting sequences shown as SEQ ID NO.1 and SEQ ID NO.2, allele is detected by capillary electrophoresis, and the chicken containing 309 or 311 bp allele is the small white feather broiler chicken; the chicks which do not contain 309 and 311 bp alleles are fast and large white feather broiler chicks; the method utilizes allele difference to identify the fast large and small white feather broiler chickens, and has the advantage that the fast large and small white feather broiler chickens can be identified quickly and accurately. Moreover, the method is simple to operate, easy to operate in a laboratory, convenient to popularize and use in a basic level and wide in market application prospect, and in addition, the detection kit developed based on the method can generate considerable economic benefits and good social value.

The application discloses a choline chloride microcapsule preparation and a preparation method thereof, and relates to the field of feed additives. The choline chloride microcapsule preparation is prepared from the following raw materials in percentage by weight: 5-28% of choline chloride, 2-12% of fumed silica, 3-15% of vegetable oil, 5-20% of a binder, and the rest of glycerin monostearate and hydrogenated oil. The choline chloride microcapsule preparation has a low moisture absorption weight gain rate, is stable in long-term storage, and is suitable for application in young birds, and can promote the growth and development of broiler chickens and reduce feed consumption.

The invention provides a precise nutrition regulation and control method for promoting intestinal development of young meat breeding chickens and application, belongs to the technical field of livestock and poultry breeding and production, and aims to solve the problem that hatching eggs laid by meat breeding chickens of 50 weeks old or above are insufficient in nutrition reserve, and L-methionine is injected through amniotic cavities when the meat breeding chickens are hatched to 17 embryonic ages. According to the method, the jejunum length, the jejunum weight and the ileum length (Plt: 0.05) of the 21-day-old offspring broiler chicken are remarkably increased, the expression of ileum proinflammatory factors (IL-8 and TNF-alpha) and apoptosis pathway genes (BAX, Caspase-3 and the like) is down-regulated, the expression of anti-apoptosis genes Bcl-2 is up-regulated, and the serum urea nitrogen level is reduced. Meanwhile, the daily average feed intake and the daily weight gain (Plt; 0.05) are improved. Through accurate intervention in the embryonic period, parent nutrition transfer limitation is broken through, the intestinal development and immune functions of offspring are improved, and an effective solution is provided for healthy breeding of offspring of elderly breeding hens.

The invention discloses a method for predicting wheat standard ileum amino acid digestibility of laying hens in a brooding period. The method comprises the following steps: determining physical characteristics, chemical components and amino acid contents of wheat samples from ten different sources; preparing a test feed, and carrying out a feeding test on Jingjing No.8 laying hens in a brooding period (28-31 days old); determining the standard ileum amino acid digestibility of the 31-day-old laying hens to the wheat of each source; and based on the data correlation, establishing a prediction equation of the wheat standard ileum amino acid digestibility of the laying hens in the brooding period by adopting a stepwise regression method. The constructed prediction equation can accurately predict the standard ileum amino acid digestibility of the laying hens in the brooding period to the wheat, an effective tool is provided for achieving efficient utilization of wheat resources and promoting practice of precise nutrition, and a theoretical basis and data support are provided for feed and breeding enterprises to scientifically design a daily ration formula of laying chicks.

This invention relates to a method for reducing total Ca and / or available P in poultry feed, a method for growing poultry, a method for selecting a desired food conversion rate for poultry, a method for producing poultry feed, use of hydroxylated vitamin D for obtaining in poultry essentially the same feed conversion rate, and poultry feed.