237results about How to "Increase litter size" patented technology

The invention relates to a premix for improving the reproductive performance of fur animals, comprising trace element semi-finished product and a vitamin semi-finished product. The trace element semi-product is prepared from the following components: 10-40 parts of amino acid Fe-chelate, 10-50 parts of amino acid zinc chelate, 20-40 parts of amino acid manganese chelate, 5-20 parts of amino acid copper chelate, 1-8 parts of amino acid selenium chelate and 125-135 parts of zeolite powder; the vitamin semi-finished product is prepared from the following components: 2-8 parts of vitamin A, 1-4 parts of vitamin D, 15-35 parts of vitamin E, 30-70 parts of dihydropyridine, 10-20 parts of methionine and 100-125 parts of corn protein powder; and the two semi-products are uniformly mixed accordingto the ratio of 1: 1 to obtain the final product. The premix is applicable to a hybridization preparation period, a gestation period and a lactation period of foxes, minks and raccoons. By feeding the premix provided by the invention, reproductive performance of foxes, minks and raccoons, oestrus rate, conception rate, number born and survival rate of weaning cubs can be improved.

The invention discloses a method for breeding Bama miniature pigs. The method includes the steps that pregnant sows are fed by postconceptual age fetus growth fodder from the 92 day of pregnancy to the day of farrowing, and the postconceptual age fetus growth fodder comprises, by weight, 40-70 parts of corn, 10-30 parts of rice bran, 25-40 parts of black bean pulp, 10-20 parts of fish protein concentrate, 15-25 parts of sweet potato leaves, 30-50 parts of hair weeds, 0.5-5 parts of rhizoma atractylodis macrocephalae, 0.5-5 parts of radix scutellariae, 3-8 parts of massa medicata fermentata, 5-10 parts of radix salviae miltiorrhizae, 5-10 parts of rhamnus aurea and 0.5-2 parts of plant extract, wherein the plant extract is a water solution containing 3% of cinnamyl aldehyde, 4% of mannan oligosaccharide and 5% of carvacrol. According to the method for breeding the Bama miniature pigs, the growth activity of piglets and the reproductive performance of the sows after farrowing can be improved obviously, and the healthy growth of the Bama miniature pigs at the later period can be promoted.

The invention provides a method for cultivating a novel Dingyuan pig breed, which relates to a method for cultivating a novel pig breed. The invention provides the method for cultivating the novel Dingyuan pig breed which has the advantages high fecundity, good meat quality and strong stress resistance of Dingyuan pigs as well as the characteristics of fast growth, high lean meat percentage and the like of imported pigs. The method comprises the following steps: a Dingyuan sow is hybridized with a novel USA strain Duroc boar to cultivate a first generation sow core group; second grading hybridization is performed to the first generation sow core group and a Dingyuan boar or the novel USA strain Duroc boar; from the third generation, group closure propagation and breeding are adopted respectively, and crossing of two to three generations is performed; and selection and remaining are performed through methods of comprehensive selection indexes and molecule marking assistance selection to form the novel Dingyuan pig breed, namely a novel breed of Wan Huai pigs and a novel breed of Dingyuan-Duroc pigs.

The invention discloses sow mating feed, and belongs to the technical field of pig raising feed. The sow mating feed is all-around in nutrition through scientific formulation, can meet needs of sows on various nutrients in a mating stage, promote metabolism, improve the immunity of a sow, reduce postpartum body weight loss of the lactating sow, promote rapid empathema of the sow to shorten the mating cycle, increase the number of piglets and the weight of a newborn piglet, increase the annual reproductive times and the reproductive performance of the sow; comparison tests show that the sow mating feed used in the mating period of the sow has a more significant effect than lactating sow feed, can improve the empathema rate, the litter size and the piglet birth weight of first-litter sows, can improve the empathema rate, the litter size and the piglet birth weight of multiparous sows and shorten the number of empathema days.

A hybridization method for naturalizing and reproducing pure-breed wild boar features that the diphyletic hybridization, diphyletic backcross, and triphyletic hybridization are used to increase bearing rate, ablactative survival rate and the weight of ablactative individuals.

The invention discloses a composite dietary fiber capable of improving farrowing of sows. The composite dietary fiber comprises microcrystalline cellulose, konjac flour and Jerusalem artichoke flour. The invention further discloses sow fodder capable of improving farrowing of sows. The sow fodder comprises the composite dietary fiber and further comprises corn, beam pulp, fish meal and premix. The composite dietary fiber and the sow fodder both capable of improving farrowing of sows are reasonable in formula and conform to the physiological characteristics in a gestation stage of hyperprolific sows, satiety of the sows in the gestation stage can be improved while hunger stress is reduced. In addition, intestinal health is promoted, organism immunity of the sows is improved and farrowing is improved.

A premixed feed for milk cow in order to improve the quality of milk cow and milk is proportionally prepared from super rumen protein, rumen buffer, enzyme preparation, prebiotics, composite vitamin, composite trace element and flavour.

The invention belongs to the technical field of insect feed additives, and particularly discloses an insect additive for poultry and livestock feeds and application of the insect additive. The additive comprises the following components in part by weight: 20 to 50 parts of insect albumen powder, and 1 part of chitin and antimicrobial peptide. The chitin and the antimicrobial peptide which are extracted from insects are used for compounding the additive for the feeds, and the quality of the feed is improved, so that the quality of raised animals is effectively improved, and safe and healthy meat and fish or egg products are produced.

The invention discloses a forage for livestock and poultry and especially relates to a forage for a breeding rex rabbit. The forage comprises, by weight, 4 to 12% of corn, 2 to 10% of extruded soybean, 0.5 to 2% of glucose, 1 to 8% of DDGS, 3 to 10% of wheat shorts, 8 to 20% of bran, 5 to 25% of corn bran, 1 to 8% of a mixture of rice chaff and husk, 1 to 8% of sawdust, 10 to 22% of soybean meal, 1 to 8% of rapeseed meal, 5 to 6% of a premix, 13 to 28% of clover and 1 to 8% of pine needle powder. The forage provided by the invention has good palatability, can enhance disease resistance of the breeding rex rabbit, prevents intestinal infection, reduces the incidence rate of diarrhoea and abdominal distension, increases the conception rate of a mother rex rabbit, the number of born rex rabbits in a brood, newborn litter weight of the born rex rabbits and lactation yield of the mother rex rabbit, strengthens hair follicle development of the rex rabbits to allow the rex rabbits to have dense and glossy fur and improves culture benefits.

The present invention relates to an anti-heat stress feed additive for pregnant sows, wherein a Chinese herb additive, sodium bicarbonate, citric acid, lysine, aminobutyric acid, fructooligosaccharide and wheat bran are used to prepare the anti-heat stress feed additive. With the anti-heat stress feed additive of the present invention, the problems of heat stress and constipation of pregnant sows can be effectively alleviated, the sow feed intake can be increased, the embryonic death caused by heat stress can be prevented, and the litter size is increased.

The invention relates to an intelligent system and control method for animal body temperature acquisition and estrus monitoring. The intelligent system for animal body temperature acquisition and estrus monitoring comprises an intelligent body temperature acquisition and RFID device, an acquisition base station, a background server and a estrus monitoring station; the intelligent body temperatureacquisition and RFID device includes a high-sensitivity internal body temperature sensor module, a high-sensitivity shell temperature sensor module, a single-chip microcomputer module, a built-in battery module and a wireless communication module; the high-sensitivity internal body temperature sensor module and the high-sensitivity shell temperature sensor transmit ADC data to the single-chip microcomputer module; the single-chip microcomputer module transmits processed data to the acquisition base station through a wireless transmission protocol; the acquisition base station actively reportsthe data to the background server; and a user can conveniently grasp the body temperature condition of an animal through a mobile phone or a computer. With the intelligent system and control method ofthe invention adopted, animal farm management staff can grasp the temperature of each animal, whether the animals are in estruses, and other conditions timely and easily, so that the staff can isolate and treat animals that may have problems in advance; animals in estruses can be know according to data, so that the chance of conception of the animals can be improved, and therefore, the efficiencyof a breeding plant can be improved.

The invention discloses an animal-fat gestagen and preparing method, which comprises the following steps: proceeding composite culture for lichen bacillus, plant lactobacillus, cheese lactobacillus and beer yeast, expanding culture liquid, proceeding aerobic ferment with culture base and sterilized water, centrifuging the ferment liquid at high speed, blending the ferment liquid with protein powder and rice slag evenly, placing in the sealed ferment chamber to proceed anaerobic ferment, drying at low temperature rapidly, grinding, screening.

The invention discloses a detection device and a system for detecting a sow estrus. The technical problem to be solved is to improve the accuracy rate of the sow estrus and the quantity of farrowing. The invention adopts the following technical scheme that: a central processing unit is aranged on the detection device for the sow estrus, wherein the central processing unit is connected with a distance measuring sensor, an output unit and an input unit. A data analyzing module is aranged on the system for detecting the sow estrus, wherein the data analyzing module is connected with a parameter input module, a sensor data input module and a result output module. Compared with the prior art, the detection device and system mounted on a sow hog lot are adopted, so that a distance between a sow and the detecting device can be detected in real time, a change characteristic of the distance is analyzed in real time, and whether the sow is in an estrus is predicted according to the change characteristic, and the detection device and system have the characteristics of simple method, convenience, easiness in operation, saving in manual labor intensity and improvement in accuracy rate.

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 discloses a meat quality modifier as well as a preparation method and an application thereof. The meat quality modifier provided by the invention comprises the following components: vitamin C, vitamin E, ferrous fumarate, sodium selenite, betaine, L-carnitine and lysine, as well as methionine and threonine. The parts by weight of the components are shown as follows: 30-100 parts of vitamin C, 3-50 parts of vitamin E, 20-60 parts of ferrous fumarate, 0.02-0.1 part of sodium selenite, 30-100 parts of betaine, 3-20 parts of L-carnitine, 18-80 parts of lysine, 10-50 parts of methionine, and 10-50 parts of threonine. The method for preparing the meat quality modifier is implemented by evenly mixing the above components to obtain the meat quality modifier. The addition of the meat quality modifier to pannage can obviously improve lean meat percentage of growing-finishing pigs, improve meat quality and flesh color, and prevent beta exhilarant from harming human beings, thus ensuring good production benefit of farmers and sound development of hog industry.