142results about How to "Increase weaning weight" patented technology

The invention relates to a compound feed for lactating sows and a preparation method thereof. The invention discloses an complete compound feed for the lactating sows, comprising the following components: corns, bean pulp, imported fish meal, fermented cottonseed meal, imported dried porcine solules, alfalfa meal, rice bran, wheat bran, oil, calcium hydrophosphate, mountain meal, edible salt, compound microbial ecological agents like yeast and the like, choline chloride, a food calling agent, an acidulant, an amino acid additive, compound vitamins, organic compound trace elements and an auxiliary functional packet. The feed fully completely meets the nutrition requirements for postpartum lactation and postweaning estrus of the sows and can ensure that the sows provide more milk with high quality during lactation so that suckling pigs grow at high speed and has good weaning weight and small weaning stress; and the sows have less postpartum diseases, timely rut for hybridization after weaning, the non-breeding days of the sows are shortened, and the annual live piglet number and the utilization age limit of the sows and the like are increased.

The invention discloses a compound additive for sow which belongs to the animal nutrition technique field. The compound additive bases on high nutrition concentration, colligated balances each nutrition element proportion from in terms of physiology regulation, and regulates the sow milk secretion using natural hormone like substance without hormone negative effect. In addition, the compound additive strengthening adds many nutrition elements, such as L-carnitine which a young pig has less self synthetizing amount and needs out source milk, accordingly, survival rate and weighting rate of the young pig are increased. The compound additive and the clean drinking water with 40 DEG. C are mixed in proportion to 1:20 by weight for confecting water solution which is drunk by sow after eating during the postpartum third day to ablactation freely. The additive can increase nannie sow feed intake, improve astriction, increase quantity of milk yield, improve milk quality and increase ablactation weighting and viability of young pig.

The invention relates to feed, in particular to green-grape livestock and poultry feed suitable for pigs, chicken and so on, which is prepared from grape pip powder or grape pip meal or ripening grape pin powder, corn, soybean meal, DDGS, corn fiber feed, bone powder, calcium monohydrogen phosphate, limestone, and salt according to certain ratio. The feed has the characteristics of saving corn, improving the performance of the livestock and poultry, and improving the economic benefit. The feed experiment indicates that 4 to 10 percent of grape pin is added to pigwash for a female pig without harmful effect on the female pig reproduction, the weight for baby pigs which are ablactated is increased, the weight of fatting pigs is increased, and furs for the fed pigs are bright, the egg-lay performance of laying hen can be improved, and the crude fiber content of the feed can be adjusted.

The invention discloses a sow and piglet nutrition integration feed and a breeding mode thereof. The sow and piglet nutrition integration feed is composed of a sow feed and a piglet feed. The sow feed is composed of a pregnant sow feed and lactating sow feed. The piglet feed is composed of an anthony pig creep feed and a piglet conservation feed. The sow feed can remarkably improve the sow embryo survival rate, the live litter yield and the piglet birth weight, shorten the birth process, improve the feed intake and lactation yield, reduce parent weightlessness, and shorten the interval between ablactation and re-oestrus; the piglet feed can promote intestinal tract development, improve immunity and anti-stress ability, reduce diarrhea, promote growth and development and achieve that the weight of a 70-day-old piglet is 30 kilograms.

The invention aims to provide a piglet forage. The piglet forage comprises, by weight, 1-5 parts of fried wheat bran, 1-5 parts of fried soybean powder, 20-30 parts of millet, 1-5 parts of white sugar, 20-30 parts of fishmeal, 1-5 parts of bone meal, 1-5 parts of shell powder, 20-30 parts of silkworm chrysalis, 10-20 parts of Semen Aesculi, 10-20 parts of asparagus, 20-30 parts of mulberry, 1-5 parts of royal jelly, 20-30 parts of pumpkin, 20-30 parts of water chestnut, 10-20 parts of milk powder, 10-20 parts of Origanum vulgare, 10-20 parts of Humulus japonicas, 10-20 parts of Raphanus sativus L, 1-5 parts of dry ginger, 10-20 parts of seaweed meal and 1-5 parts of doederlein spikemoss herb. The forage contains trace elements beneficial for the growth absorption of piglets and forage raw materials for promoting the growth adjustment, so the generation and enrichment of organic trace elements in the piglets are realized, thereby the survival rate is increased, and the disease occurrence is reduced.

The invention discloses a dry powder modified disinfection agent which comprises adsorbents, an anti-bacterial agent and conditioning agents, wherein the adsorbents account for 93 to 95 percent by weight, the anti-bacterial agent accounts for 3 to 5 percent by weight, and the conditioning agents account for 1 to 4 percent by weight; the adsorbents are three or more of smectite, attapulgite, diatomite, gypsum, alunite, activated clay, kaolinite, talcum powder and activated carbon; the anti-bacterial agent comprises natural plant essential oil; the conditioning agents comprise perfume and borneol. The dry powder modified disinfection agent is used for adjusting and improving of the environment of a hog house, disinfection sterilization of piglet delivering and wounds, and disinfection drying of bacterial diarrhea, and further used for adjusting and improving of the internal environment of cowsheds, henhouses, duck sheds and other livestock breeding houses, disinfection sterilization of livestock wounds, and disinfection drying of bacterial diarrhea.

The invention relates to special complete formula feed for sows in the perinatal period. The feed comprises components including corn, fermented soybean meal, fermented peanut meal, oat, super steamed fish meal, egg powder, glucose, brown sugar, an emulsified fish oil-lard compound, seaweed meal, multivitamins, composite organic trace elements, a compound enzyme for pigs, choline chloride, lysine, ethoxyquinoline, phytase, salt, stone powder, calcium hydrophosphate, chitosan oligosaccharide, linseed meal, a cucubalus root-ricepaperplant pith-motherwort herb extract and mushroom powder. The feed effectively solves several common problems such as constipation, prolonged labor, postpartum lactation disorder and inadequate milk in the perinatal period of the sows, provides great help for pig farms for increase of the sow health level, the subsequent litter size and the utilization years as well as reduction of the labor intensity of workers for nursing of the sows in the perinatal period, and has very high economic significance and usage value.

The invention relates to a piglet feeding mode. A piglet is fed with sow milk for the first five days after the piglet is born and then is artificially fed. The artificial feeding is divided into three stages. At the first stage, the piglet of 5 days to 35 days old starts to be fed with appetite developing compound feed additionally. At the second stage, the piglet of 35 days to 56 days old is fed with sucking pig compound feed. At the third stage, the piglet of 56 days to 70 days is fed with piglet compound feed. The piglet is fed with feed easily, the weaning weight is high, weight is not reduced after weaning, the piglet grows fast at the nursing stage, the clothing hair is smooth, and the number of the slaughter age-in-days in the whole process is shortened.

The invention discloses a health care feed additive for farrowing sows and a preparation method thereof. The feed additive is mainly prepared by mixing vitamin A, vitamin E, the seed of cowherb, Ligusticum wallichii, spina gleditsiae and potassium diformate according to a certain weight ratio. According to the invention, the components of vitamin A, vitamin E, potassium diformate capable of substituting antibiotic and crushed Chinese herbal medicines are favorable for fertility of sows and are selected in the invention, composition is scientific, and fine preparation is carried out; therefore, the prepared feed additive can prevent diseases, improve immunity, enhance fertility of sows and provide various nutrients and enables quality and quantity of milk of sows to be increased, physique of piglings to be enhanced and a breeding period to be shortened.

The invention belongs to the field of livestock raising feeds, and particularly relates to a high-protein calf milk replacer capable of enhancing the growing performance of calves. The high-protein calf milk replacer consists of the following components by weight percent: 3-7 percent of wheat protein powder, 5-10 percent of rice protein powder, 10-30 percent of full-fat soybean powder, 4-10 percent of concentrated whey proteins, 10-30 percent of full milk, 10-25 percent of high-protein whey powder, 8-14 percent of fat powder, 0.05-0.2 percent of a vitamin composite, 1-5 percent of a trace element and mineral composite, 0.2-1 percent of lysine hydrochloride, 0.1-0.5 percent of methionine, 0.1-1 percent of threonine, 0.05-0.3 percent of tryptophan and 0.55-5.0 percent of a microorganism enzyme preparation and acidifying agent composite, wherein the wheat protein powder contains 30-40 percent of glutamine, and the fat powder is prepared from palm oil and coconut oil. According to the high-protein calf milk replacer, the protein content is increased, and the energy absorption rate and the immunity of the calves are improved; the concentrations of vitamins, trace elements and a micro-ecological enzyme preparation are increased; the concentration and the constituent of protease are enhanced; the fat content of the calf milk replacer is increased, the growing speed of the calves is increased, the lean tissues of the calves are increased, settling of body fat is reduced, and the month age of first delivery is shortened.

The invention relates to a manufacturing method for animal feed, in particular to a manufacturing method for a special animal feed exclusively used in fox, mink and raccoon dog. The method has the advantages that: raw materials of corn and soybean meal required in the formula are bulked by a dry method or wet method and ground; the ground material is mixed with meat and bone meal and imported fishmeal, and then bulked again (by the dry method or wet method); the second bulking is completely different from other bulking methods for an annular space discharging mode is adopted in the discharging in front of a bulking machine in the second bulking and the bulking temperature is 100-130 DEG C, which not only realizes the aim of sterilization and curing, but also avoids breaking the nutritional factors of the materials due to over-high temperature; the product produced by the process has high bulking degree, good water binding capacity, good palatability and thorough sterilization. The premix materials are added and mixed twice to avoid reducing the effect caused by heating.

The invention relates to a novel complete formula milk powder feed for a suckling pig. The novel complete formula milk powder feed for the suckling pig comprises the following components in parts by weight: 300-500 parts of corn, 150-300 parts of flour, 40-120 parts of fermented soybean meal, 40-100 parts of fish meal, 100-200 parts of powered milk substitute, 8-20 parts of fat, 40-80 parts of whey powder, 40-80 parts of glucose, 5-10 parts of lysine, 1-4 parts of methionine, 2-5 parts of threonine, 5-10 parts of stone powder, 4-10 parts of dicalcium phosphate, 2-4 parts of zinc oxide, 4-8 parts of composite micro elements, 5-10 parts of composite vitamins, 0.5-1.5 parts of a composite enzyme preparation, 3-6 parts of table salt, and 1-3 parts of Chinese herbal medicine additives. The formula milk powder feed can enhance the immunity of the suckling pig, improve the capacity of resisting stress, reduce diarrhoea and improve the production performance of the suckling pig.

The invention discloses a feed additive of promoting mammary gland development of replacement gilts and gestating sows through a nutritional means. The feed additive is composed of the following components according to the following proportions: 15-30% of cysteamine hydrochloride, 10-30% of vitamin E, 5-25% of daidzein, and the balance being glucose. The additive can modulate neuroendocrine system of the sows, increase intake for mammary gland nutrients of the sows, stimulate growth of mammary gland lobular acinus and mammary gland ducts, promote mammary gland development of the replacement gilts and gestating sows, and lay a good foundation for milk output of lactating sows.

The invention discloses a compound feed for pregnant sows, a preparation method of the compound feed and a use method of the compound feed. The compound feed mainly consists of the following ingredients in parts by weight: 35 to 52 parts of corn, 5.3 to 8.3 parts of bean pulp, 10 to 30 parts of wheat, 25 parts of bran, 1.33 to 1.36 parts of mountain flour, 1.7 to 1.8 parts of calcium hydrophosphate, 0.28 to 0.38 parts of lysine sulphate, 0.01 to 0.04 parts of threonine, 0.2 parts of sodium bicarbonate, 0.45 parts of common salt, 0.1 parts of choline chloride and 0.5 parts of premix compound. The compound feed provided by the invention has the advantages that the nutrition requirement of the pregnant sows and fetuses is met; the average farrowing number of the sows each time is great; the piglet birth weight is heavy; the breast development of the sows can be good; the milk is sufficient; the feed intake during the sow lactation period is increased; the piglet weanling body weight is heavy; the survival rate during the lactation period is high; meanwhile, the time interval from the sow weaning to the oestrum period is shortened; the estrus rate of the sows after the weaning is improved; the useful life of the sows is prolonged.

The invention provides a weaning meat rabbit feedstuff for the mouth-open period as well as a production process thereof. According to the formula, the feedstuff comprises the following components in parts by weight: 28 parts of alfalfa powder (at the national standard level 1), 17 parts of extruded corns, 6 parts of whey powder, 1 part of fish meal, 4.2 parts of fermented soybean meal, 3 parts of extruded soybeans, 15 parts of bran, 4 parts of plasma protein powder, 3.5 parts of white sugar, 15 parts of flour, 0.7 part of calcium hydrophosphate, 0.5 part of calcium formate, 0.5 part of table salt, 0.2 part of lysine, 0.1 part of methionine, 0.2 part of glutamine, 0.1 part of tryptophan and 1 part of additives, totaling 100 parts. According to the formula, processing technological parameters are as follows: the diameter of a sieving piece of a grinder is phi 3.0, the pressure of tempering steam is 0.35MPa, the tempering temperature is 85 DEG C, the tempering time is 90s, the aperture of a pelletizing ring die is phi 2.5 and a ring die compression ratio is 1: 8. The weaning meat rabbit feedstuff for the mouth-open period has the nutrition characteristics of balanced nutrient matching, reasonable amino acid matching, good palatability and high digestibility; according to the formula, the production process is scientific and advanced and the pelletizing effect is excellent, and the feedstuff is capable of effectively increasing the feed intake of weaning rabbits, promoting the development of the intestinal mucosa, optimizing the intestinal environment, reducing the incidence of diarrhea and obviously increasing the weaning individual weight and the survival rate.

The invention discloses a 7-35-day piglet creep formula feed and a preparation method thereof, wherein the formula feed consists of a variety of raw materials such as corn, dehulled soybean meal, puffed soybean, fermented soybean meal, soybean oil, 98.5% lysine hydrochloride, 99% methionine, 60% choline chloride, salt, yeast cell wall, whey powder, calcium formate, calcium dihydrogen phosphate, compound vitamin premix and compound micro-mineral premix. The preparation method of the feed comprises the steps of crushing and pelletizing. The formula feed disclosed by the invention meets the nutrition demand during the creep period of piglet, is good in palatability, easy to digest and assimilate and low in cost and has the functions of increasing the food intake of piglets, reducing the possibility of weaning stress syndrome significantly, improving the weaning piglets and survival rates of piglets, laying a solid foundation for the successful weaning and earlier output of piglets, and improving the production benefit.

The invention relates to a liquid feed which can enhance the survival rate and growing performance of newborn piglets, and is prepared by components with the following weight percentage content of 50-60 percent of fresh milk, 3-4 percent of condensed whey powder, 5-10 percent of lactose, 0.5-1 percent of swine plasma protein powder, 25-35 percent of water, 0.3-0.5 percent of lecithin, 4-5 percent of soybean oil, 0.02-0.05 percent of emulsifier, 0.02-0.05 percent of multi-vitamin, 0.5-1 percent of citric acid and 800-1000IU percent of Gentamicin. The lactose and fat in the liquid feed of the invention furthest enhance nutrition intake amount of suckling piglets. Due to the combining use of nutrition supplementary liquid and an acidifier and antibiotics, the invention not only increases the nutrition intake, but also increases stomach and intestine acidity and promotes the health of the piglets.

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.

The invention relates to a feed for a sucking pig and a preparation method thereof, belonging to the technical field of feed processing. The feed comprises the following raw materials by weight: 120 to 180 parts of soybean meal, 40 to 60 parts of wheat bran, 30 to 50 parts of corn flour, 30 to 50 parts of peanut shell, 10 to 20 parts of fish meal, 3 to 8 parts of bone meal, 0.2 to 0.8 part of 99% methionine, 0.4 to 0.8 part of 98% threonine, 1 to 4 parts of 98% lysine, 0.2 to 0.5 part of phytase, 0.1 to 0.8 part of composite vitamin, 8 to 18 parts of choline chloride, 10 to 15 parts of ferrous sulphate, 5 to 10 parts of copper sulphate, 3 to 8 parts of manganese sulfate, 3 to 8 parts of zinc sulfate, 0.2 to 0.8 part of potassium iodide, 0.05 to 0.16 part of sodium selenite, 8 to 18 parts of an anti-oxidant, 18 to 25 parts of mildew inhibitor and a flavoring agent. The feed for the sucking pig is easy to digest and absorb; and fed sucking pigs have a fast growth speed and a high survival rate.

The invention discloses microbial fermentation antibiotic-free feed for a lactating sow. The feed is obtained by mixing a mixture and a prepared fermentation material, wherein the weight ratio of the mixture to the prepared fermentation material is (92-96):(4-8); and the prepared fermentation material is prepared from the following fermentation materials in parts by weight: 2-5.5 parts of lactobacillus acidophilus fermentation material, 0.05-0.1 part of bacillus subtilis fermentation material, 1.00-1.90 parts of saccharomyces cerevisiae fermentation material, 0.05-0.1 part of trichoderma longibrachiatum fermentation material, 0.05-0.2 part of aspergillus niger fermentation material and 0.05-0.2 part of aspergillus oryzae fermentation material. Through the invention, the use of antibiotic drugs in the lactating sow feed can be avoided, the micro ecological environment of the intestinal tract of the lactating sow as well as the immunity are obviously improved, the breeding stress of the sow and the birth stress of the piglets are eased, the problems of constipation and milk lack of the sow are effectively solved, the morbidity is reduced, the feed intake and feed digestion utilization rate are improved, the piglet diarrhea rate is reduced, the survival rate is improved, and the birth weight and weaning weight of the piglets are obviously increased so as to improve the farming benefits.

The invention discloses a feed additive for lactating sows and a preparation and use method thereof. The feed additive is prepared from the following raw materials of 50 parts of lactobacillus plantarum metabolite antimicrobial peptide, 50 parts of lactobacillus rhamnosus, 20 parts of glucose oxidase, 20 parts of catalase, 20 parts of peptidase, 20 parts of epoxidation reduction enzyme, 20 parts of phosphatase, 50 parts of calcium montmorillonite, 15 parts of raw gypsum, 15 parts of anhydrous sodium sulphate, 20 parts of sodium bicarbonate, 40 parts of motherwort root, 10 parts of fructus crataegi, 20 parts of radix scutellariae, 10 parts of fructus gardeniae, 10 parts of fructus forsythiae, and 10 parts of liquorice root; the raw materials are uniformly mixed, and the water content is less than 12%. 2kg of feed additive is added into the lactating sow feed per ton. The feed additive has the advantages that the influence to the lactating sow by mycotoxin and vivotoxin is effectively prevented, the immunity and milking amount of the lactating sow are obviously increased, the weaning weight of a piglet is obviously increased, the food intake amount of the lactating sow is obviously increased, the interval time from weaning to estrus of the lactating sow is obviously shortened, and the propagation property of the sow is effectively improved.

A milk equivalent for suckling pigs is prepared from suckling pig premix, soy oil, puffing rice meal, flour, fish meal, whey powder, bean pulp, fermented soybean meal, puffing soy flour, compound ammonia multi-elements, beer yeast powder, soy protein concentrate, poly-dipeptiven, polysaccharides, calcium hydrophosphate, mountain flour, glucose, white sugar, table salt, acidifier, 50% choline chloride, lysine, methionine, threonine, microelements, multivitamins and the like. The product is prepared through mixing preparation of the premix, pre-treatment of the raw materials, mixing of the soy oil and adding of the premix. The milk equivalent for suckling pigs has rich nutrients and can effectively improve the palatability of suckling pigs, reduce the antigenicity of raw materials, improve immunity and improve digestion and absorption ability and disease resistance, the morbidity and death rate of suckling pigs are reduced greatly, weaning weight and survival rate are increased, the utilization efficiency of feed can be improved, feed quality can be improved, and health growth of suckling pigs is guaranteed.

The invention discloses a new Denmark series sow lactation period breaking fodder, wherein the fodder is prepared from, by weight, 40-55 parts of grain, 10-20 parts of bean pulp, 1-5 parts of wheat bran, 5-10 parts of rice bran, 5-10 parts of corn DDGS, 1-3 parts of expanded flaxseed, 2-5 parts of expanded soybean, 1-5 parts of fish meal, 1-3 parts of soybean hull, 0.5-3 parts of grease, 1-2 parts of mountain flour, 0.1-0.3 part of table salt, 0.1-0.3 part of sodium bicarbonate, 1-3 parts of sugar, 0.1-0.3 part of choline chloride, 0.5-1 part of amino acid, 0.1-0.2 part of Vitamin C, 0.01-0.03 part of organic calcium HyD, 0.5-1.5 parts of calcium hydrophosphate, 0.5-1 part of composite microecologics, 1 part of compound premix, 0.01-0.03 part of antioxidant; the fodder is further prepared from at least one of 1-3 parts of sugar beet pulp, 1-3 parts of apple pomace, and 1-3 parts of oat husk. The invention is applied to the new Denmark series lactating sow for three and more piglets; the fodder can effectively release or solve the constipation of the new Denmark series lactating sow, and promote the postpartum.

The invention relates to the technical field of feeds, enzyme preparations and microorganisms, in particular to a preparation method of yellow serofluid (generated during making bean curds) milk milk-promoting glycolysis soybean meal. The preparation method comprises the process of performing evaporation and concentration on beancurd yellow serofluid (generated during making bean curds), mixing the beancurd yellow serofluid (generated during making bean curds) after evaporation and concentration with soybean meal and glucose, adjusting pH, firstly performing inoculation with bacillus subtilisstrain liquid and saccharomyces cerevisiae, performing aerobic fermentation and enzymolysis, then performing inoculation with lactic acid bacterium strain liquid, cellulase, pectinase and protease, performing anaerobic fermentation and enzymolysis, and finally performing drying so as to obtain the yellow serofluid glycolysis soybean meal. The yellow serofluid (generated during making bean curds) milk-promoting glycolysis soybean meal prepared by the method provided by the invention is rich in nutrient substances of soy isoflavone, soy saponine, oligopeptides, soluble fibers, lactic acid, biological enzymes, organic acid calcium and the like, has the characteristics of being high in nutrients, easy to digest, good in palatability, green, nuisanceless and the like, can notably promote milk secretion of lactating sows, can improve milk secretion quality, besides, can effectively increase food consumption of raised sows, and can prevent and treat constipation of the sows.

The invention relates to a feed additive used for a pregnant sow. The feed additive comprises the following components in parts by weight: 5-20 parts of 98% lysine, 3-15 parts of threonine, 2-6 parts of tryptophan, 5-20 parts of methionine, 2-9 parts of arginine, 1-3 parts of decavitamin, 0.3-0.8 part of copper methionine, 0.4-1 part of iron methionine chelate, 0.1-0.5 part of zinc glycine, 0.05-0.1 part of selenium yeast, 0.1-0.3 part of manganese glycine and 30-80 parts of a carrier. The preparation method comprises the following steps: preparing the materials in parts by weight, sieving the raw materials with a 40-mesh sieve, then adding to a blender together, stirring and mixing uniformly to prepare the feed additive used for the pregnant sow. Compared with the prior art, the preparation process is simple, complicated raw material pre-treatment process is not needed, the raw materials only need to be sieved and then uniformly mixed, the feed additive is easily absorbed by a pregnant sow body, the use ratio of a feed for feeding the pregnant sow can be also improved, the raw materials are easy in source, and the feed additive is beneficial to popularization and utilization.

The invention provides a special feed additive premix for a sow. The special feed additive premix comprises the following raw materials in percentage by mass: 10%-20% of beta-carotene, 0.2%-0.4% of chromium methionine, 4%-5% of folic acid, 12%-16% of vitamin E, 4%-5% of L-carnitine and the balance of a carrier. In the application method of the special feed additive premix, the special feed additive which accounts for 0.1% of the weight of complete feed for the sow is added to the complete feed. A plurality of tests prove that the special feed additive premix for the sow has the advantages of obviously enhancing the reproductive performance of the sow, prolonging the service life of the sow, improving the survival rate of embryos, increasing the number born of the sow, improving the birth weight and survival rate of piglets and increasing the weaning weight and litter weight of the piglets.