91 results about "Replacement gilt" patented technology

The invention belongs to the technical field of a feed, in particular to a feed for replacement gilts, which comprises the following components by weight: 50% to 60% of corns, 8% to 18% of bran, 10% to 15% of bean pulp, 10% to 15% of extruded soybeans, 1% to 2% of mountain flour, 1% to 2% of calcium hydrophosphate, 0.3% to 0.7% of fine salt, 1% to 2% of soya-bean oil, 2% to 4% of fish meal, 0.1% to 0.2% of sow multi-vitamin, 0.1% to 0.2% of sow polymineral, 0.5% to 1.5% of herbal medicines, 0.2% to 0.5% of amino acid and 0.5% to 1% of natural additive. Compared with the prior art, according to the feed for the replacement gilts, a formula of the replacement gilts is optimized, and the herbal medicines are reasonably added in the formula so as to promote the sows to heat, improve immunity and increase the ovulation quantity of the sows, so that multiple fetus and the birth number of the replacement gilts are improved, the heat and the ingravidation between the fetuses are shortened, the lifetime use ratio of the replacement gilts is improved, and the economical value of the pig farms is greatly elevated.

The invention belongs to the field of pig feed and discloses feed of replacement gilts during the perinatal period. The feed is characterized by comprising the following components in parts by weight: 55-60 parts of corns, 20-24 parts of soybean meal, 5.5-6.9 parts of DDGS, 1.3-2.2 parts of wheat bran, 5-10 parts of full-fat rice bran, 0.7-1.2 parts of soybean oil, 1-1.3 parts of imported fish meal, 0.9-1.1 parts of calcium powder, 1.0-1.2 parts of calcium hydrogen phosphate, 0.2-0.5 part of lysine sulfate, 0.4-0.5 part of edible salt, 0.1-0.2 part of choline chloride, 0.2-0.3 part of a vitamin premix, 0.2-0.3 part of a microelement premix and 0.05-0.06 part of a mould inhibiter premix. The feed can be used for promoting physical growth of the replacement gilts, alleviating the primiparous stress of the replacement gilts, improving the food intake of the replacement gilts in the early stage of lactation period, and enhancing the disease resistance of the replacement gilts during the perinatal period.

The invention relates to compound feed for promoting onset of estrus of replacement gilts. According to the technical scheme, the compound feed is prepared from raw materials in percentage by weight as follows: 5%-20% of wheat bran, 25%-55% of corn, 1%-15% of corn gluten, 1%-10% of corn DDGS (distillers dried grains with solubles), 5%-35% of glucose, 3%-15% of soybean meal, 1%-2% of stone powder, 1%-2% of calcium hydrophosphate, 0.1%-3% of corn oil, 0.1%-0.5% of table salt, 0.1%-0.3% of amino acid, 0.2%-0.6% of compound trace elements and 0.3%-0.4% of multivitamins. The compound feed is applied to promotion of onset of estrus of the replacement gilts, can effectively regulate and control secretion of insulin, glucagon and progesterone, shorten the age of puberty of the replacement gilts, increase the feed intake of the replacement gilts and increase the number born alive and the litter weight of gilts, and has important significance in improving productivity of the gilts.

The invention discloses a breeding method for replacement gilts. The method comprises the steps that excellent gilts are selected from 70-day-age piglet groups of filial generation of landrace boars and Dahe black pig sows to be reserved for serving as the replacement gilts; the excellent gilts are bred in four stages according to the characteristics of the physiological properties and the nutritional requirements of the replacement gilts in each stage, daily ration is specifically prepared from special feed raw materials and Chinese herbal medicine additives in each stage to promote growing development and oestrus ovulation of the replacement gilts, and the optimal hybridization characteristics of the replacement gilts are obtained by adopting a self-help feeding mode and a restrict feeding mode; replacement gilt groups are screened and optimized for three times in the breeding stage, and the gilts of which growing development and immune antibodies are not in accordance with the breeding standards. According to the replacement gilts bred through the method, the breeding qualified rate reaches 90 percent, the conception rate of first farrowing sows reaches 90 percent and is increased by 4-5 percent points compared with a common breeding method, the live born number per litter is increased by 1, and the better economic benefit and social benefit are achieved.

The invention relates to concentrated feed for improving the replacement gilt oestrous rate. The concentrated feed is prepared from, by weight, 65-75 parts of bean pulp, 5-10 parts of corn gluten meal, 2-4 parts of fish meal, 5-10 parts of peanut meal, 0.5-1.5 parts of soybean oil, 1.5-3 parts of diaminocaproic acid, 1.5-3 parts of calcium hydrophosphate, 3-5 parts of mountain flour, 1-2 parts of salt, 2-3 parts of nucleus material, 0.1-0.3 part of complex phosphoesterasum, 0.1-0.2 part of antioxidant, 0.2-0.4 part of novasil and 1-2 parts of medicinal herb preparation. By feeding replacement gilts with the concentrated feed, the physique of the replacement gilts can be enhanced, and the oestrous rate and the litter size can be increased.

Disclosed is an experimental animalization breeding method of Ningxiang pigs. Standardized fodder and a standardized breeding environment are included. The method specially comprises the steps that according to the different weights of the pigs, daily ration fodder including corn, bran, bean pulp, oat, oil residues and salt in different ratios is prepared; according to the difference of replacement gilts, gestating sows, lactating sows, breeding boars and piglets, different nutritional requirements are prepared; the temperature and humidity of air in hog houses, heating, heat preservation and ventilation, lighting and cleaning of the hog houses, noise and the like are controlled. The experimental animalization breeding method has the advantages that the theoretical basis and technical indexes are provided for experimental animalization of the Ningxiang pigs, and the requirement of scientific experiment study and the need of development of the bioengineering and pharmaceutical industry are met.

The invention relates to feed additives capable of improving heat behaviors of replacement gilts. The feed additives comprise soy isoflavone, pueraria extracts, dye genistein, fructose and glucose. The feed additives are reasonable and innovative in formula and conform to growth, development and physiological characteristics of the replacement gilts; after application of the feed additives, silent heat rate of the replacement gilts is remarkably declined, the heat behaviors are improved, and breeding rate of the replacement gilts is increased while cost is low and the feed additives comply with actual production of a pig farm.

The invention provides a replacement gilt mixture capable of increasing breeding rate and a preparation method thereof and relates to the field of feed. The replacement gilt mixture is composed of, by weight, 31-56 parts of corn, 11-26 parts of husked barley, 3-15 parts of bran, 2-8 parts of NO.3 powder, 0.01-0.1 part of flavone, 0.01-0.05 part of curcumin and 0.02-0.07 part of probiotic. The replacement gilt mixture can effectively increase rate of utilizing feed nutritional ingredients by sows, can improve growing performance, nutritional substance digestion rate and intestinal health of the sows and can increase ovulation and farrowing number and improve reproductive performance of the sows.

The invention discloses biological fodder for promoting replacement gilt heat start, a preparation method and application. The biological fodder is prepared by mixing fermented soybean meal, fermented wheat bran and Chinese herbal medicines (herba epimedii, actinolite, prepared rehmannia root, coix seed, cowherb seed, dangshen, the root of red-rooted salvia and astragalus membranaceus) according to a ratio. The materials in the biological fodder have the weight proportion range that the fermented soybean meal accounts for 60 percent to 70 percent, the fermented wheat bran accounts for 20 percent to 30 percent, and the Chinese herbal medicines account for 10 percent, wherein the Chinese herbal medicines have the weight proportion range that the herba epimedii accounts for 1.0 percent to 1.8 percent, the actinolite accounts for 1.0 percent to 1.5 percent, the prepared rehmannia root accounts for 1.0 percent to 1.5 percent, the coix seed accounts for 1.0 percent to 1.2 percent, the cowherb seed accounts for 1.2 percent to 1.4 percent, the dangshen accounts for 1.2 percent to 1.5 percent, the root of red-rooted salvia accounts for 1.2 percent to 1.5 percent and the astragalus membranaceus accounts for 1.2 percent to 2.0 percent; the Chinese herbal medicines are prepared by picking, cleaning, drying, superfine grinding and mixing. The biological fodder is high in product safety degree, is added into a complete compound feed recipe according to a ratio of 15 to 20 percent, and can obviously promote the replacement gilt heat start, increase a replacement gilt estrus rate and reduce the replacement gilt cultivating cost.

The invention discloses a replacement gilt weight estimation method. The method comprises the steps of acquiring morphological index data of a replacement gilt, wherein the morphological index data comprise a chest circumference, a day age, a P2 point backfat thickness, a body length, a hip height and a leg width, a step of calculating the weight of the replacement gilt by using a constructed regression equation for estimating the weight of the replacement gilt, wherein the regression equation is as follows the body weight = -140.659 + 1.298 * chest circumference - 0.019 * day age - 0.034 * P2point backfat thickness + 0.408 * body length + 0.285 * hip height + 1.220 * leg width, R2 of the regression equation is equal to 0.929, and P is smaller than 0.001. According to the scheme, the bodyweight of the replacement gilt can be accurately estimated through the mutual combination of the morphological index data and the regression equation.

The invention discloses a nutritional feed additive capable of improving litter size of a replacement gilt. The additive comprises the following components in parts by weight: 5-25 parts of vitamin D3, 5-25 parts of beta-carotene, 10-30 parts of vitamin E and 5-10 parts of organic selenium. The nutritional feed additive disclosed by the invention can immediately start puberty of the replacement gilt and improve the estrus rate and conception rate of the replacement gilt, so as to improve the survival litter size, thereby finally lowering the cost for the breeding pig farm and improving the productivity effect.

The invention discloses vitamin-containing premixed feed for replacement gilts. The vitamin-containing premixed feed comprises vitamin A, vitamin D3, 25-hydroxyvitamin D3, vitamin E, vitamin K3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, nicotinamide, D-pantothenic acid, folic acid, D-biotin, vitamin C, an antioxidant and rice hull powder. With the adoption of the vitamin-containing premixed feed for the replacement gilts, special vitamin nutrition requirements of the replacement gilts can be met sufficiently, the health level of the replacement gilts is enhanced, the optimal physiogenesis level of the replacement gilts is adjusted, regular oestrus of the replacement gilts is guaranteed, and foundation is established for later production performance and utilization years.

The invention discloses a breeding method for improving the estrus rate of an American-series large white replacement gilt, and belongs to the technical field of sow breeding methods. The oestrus of the American-series large white replacement gilt is stimulated in time by means of optimizing the feed formula and injecting hormones at the reasonable periods at the four different stages of 4-6-month stage, 6-7-month stage, 7-9-month stage, and 9-10-month stage, so that the estrus rate of the American-series large white replacement gilt is improved.

The invention provides premix for improving reproductive performance of replacement gilts, and belongs to the technical field of replacement gilt feed. The premix contains 1-1.5 parts of dicalcium phosphate, 0.8-1.2 parts of stone powder, 0.2-0.7 parts of edible salt, 0.005-0.015 parts of phytase, 0.05-0.15 parts of choline chloride, 0.05-0.15 parts of betaine, 0.1-0.3 parts of potassium butyrate,0.02-0.07 parts of thermostable yeast, 0.05-0.1 parts of multivitamins, 0.01-0.05 parts of organic ore and 0.3-0.7 parts of a carrier. The invention also provides complete feed prepared from the premix. The complete feed contains 50-70 parts of corn, 15-20 parts of soybean meal, 15-20 parts of wheat bran, 1-3 parts of soybean oil and 3-5 parts of the premix. The premix can improve the estrus rateand reduce limb hoof diseases of the replacement gilts under the condition of scale and intensification, and the intestinal health level and reproductive performance of the gilts are improved.