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How to improve the survival rate and weaning weight piglets

Low survival rate of suckling piglets. Weaning weight is more common now a small problem, especially in the vast rural areas, some farms and even the survival rate of piglets less than 50% or less, severe Tong and pig weaning weight affected the economic benefits, and some farms thus even bankruptcy. Therefore, the scientific rearing piglets to improve their survival rate and weaning weight should pay attention to the problem is. Feeding and Management of pregnant sows breeding sows 20 days after pregnancy (10 to 30 days) is the first critical period is the fertilized egg to form the placenta to the uterine implantation period, the combination of the embryo and the placenta is not strong, weak and easy death abortion. This period of nutrition, attention to the full price of feed, pay attention to the nutritional quality of feed in quantity does not require much, as long as you can Qiugou River, the friends do not feed moldy, toxic, frozen feed, or easily cause of early embryonic death and abortion Yi. The second critical period is the mother means the end of the month after pregnancy, the rapid development of severe fetal growth, weight 60% or more growth at this time, you need a particularly large number of nutrients, the abdomen also appears quite Expansion Man, are likely to cause miscarriage. Therefore, both the quality and also to have the required amount of feed in order to fully meet the rapid growth of fetal nutritional needs, with special attention to meet the protein, vitamins and minerals, nutrition, and prior to this period as do not feed moldy, toxic, frozen feed , otherwise it could easily cause a miscarriage. Only by strengthening the sow feeding and management of pregnancy in order to obtain a large birth weight, quantity, physical robust pigs, piglets that rapid weight gain, mortality is low, since the survival rate is high. Newborn piglets insulation, anti-press measures in the first week of the whole task is to strive to stick all newborn piglets strong, weak immune system vulnerable to new-born piglet mortality, piglet died more than 85% in the first 30 days, while 60% died within a week, especially death of the first 3 days the most, so, to do a good job the first week of nursing piglets is very important. Cold is the enemy of piglet survival, especially in Week 1, is particularly important adverse insulation measures, will be frozen to death and crushed piglets. The piglets into the incubators (such as large wooden box), the use of electric hot plate, stove, infrared light or heat lamp 40-60W. 1 to 7 days to 32 ℃ -28 ℃ ,8-30 days to 28 ℃ -25 ℃ ,31-60 days to 25 ℃ -23 ℃. If you reach this temperature, the temperature will drop piglets, frozen light, heavy freezing to death. To achieve this purpose \simple plastic greenhouse pig; three note circle to keep dry sanitation, especially to avoid the wet; four note bedding is not too long, too thick, to prevent the piglets in the cold grass drill people were crushed to death sows; five best note Aberdeen nursing sows to establish inter-circle, so that separation of mother and child to sleep, free from suckling piglets, and develop a pattern; six note Postnatal canines and the tail cut off in time to avoid the bite of the nipple and tail biting sow the occurrence of disease . Colostrum to newborn piglets in a timely manner colostrum containing antibodies to eat, magnesium, has a certain acidity, thick and high, etc., should be good to eat as soon as possible, usually within 2 hours to complete, which is a key piglet survival. A few days after birth, piglets have a fixed habit of eating nipple, once fixed, until weaning; According to this feature, can be artificially fixed, the method is: the small, weak body fixed to the front of the nipple; big, physical fixed at the back of strong nipples; medium fixed in the middle of the nipple. Sow death, no milk, too much or too little litter, and litter should be carried out and foster care; requires nearly 2-day-old was born 3 days; sows docile temperament, maternal instinct is good, fair enough milk; send some to eat pig the colostrum. Be sure to disrupt the foster sow the sense of smell, can be coated with sow milk, the two re-nest and nest bachelor piglets and other measures to ensure that foster success. Early time after birth, piglets feeding, rapid growth and development, weight straight up, and lactating sows peaked after 20-30 days, milk production declined, so piglets sow milk alone can not meet the nutritional needs of rapid growth, only early breast-feeding can make up the deficiency, but also exercise a piglet digestive organs and functions. Usually 5-7 days old piglets to open fresh start training, now available piglet piglets fed into the column of material, so that piglets ad libitum, and 20 days so you can learn to feed pig feed. After the piglets learn to eat feed, fed to pigs can be given to get the nutrients from the feed. 1 kg of feed digestion and can generally not be less than 13.39mj, crude protein 19-20%, and the bran gluten should not exceed 10% of animal feed should be 5% -8%, plus 2% of shell powder, 0 .3% salt. In recent years, studies have shown that families of pigs, in the feed by adding a variety of digestive enzymes, add flavoring, add whey powder, add oil, add organic acids, so that the piglets expected better, fed better. Should also pay attention to feeding, water quality should be fresh,[link widoczny dla zalogowanych], or free enough to drink waters flow frequently changes constantly; attention to feeding and health, to prevent the pigs sick. Special attention should also pay close attention to Wang Food: Aberdeen, from 40-60 days of age refer to a large number of feed for the season, to increase the Feeding Amount, feeding frequency of 4-6 times a day, 1 night, better fed. Require feed nutritious, palatable, feed 20% -25% cake, preferably by adding 3% -5% of the fish meal, dried meat floss pink, the better. Note piglets iron, copper, iron supplementation of selenium supplement: a supplement for iron is easily overlooked and very important initiative. If you do not pig iron to 7 days will be anemia, sudden death, lack of energy, slow growth, attractant difficulties, complicated by white diarrhea and pneumonia. Available to buy iron veterinary drugs, such as iron king, sacrificial blood, and other factors. With a deep red clay to piglets ad libitum, the purpose of iron could be achieved. Black alum (soap alum, ferrous sulfate) dubbed in 1% solution, applied to the nipple on the sow, piglets eat the milk available. Copper added: deficiency leads to anemia, while a growth promoting effect of copper, according to the experimental diets added to 125-250 mg / kg piglets can feed copper increased by 18% -22%, feed efficiency increased by 8% -10%, so Note added in feed, can make the rapid growth of piglets to raise pigs efficiency. Selenium added: 3 days after birth, piglets 0,1% sodium selenite 0.5 ml intramuscular injection, 30 days and then injected again. Or sows 20-25 days before delivery, intramuscular injection in 0.1% sodium selenite in a dose of 0.1 ml / kg body weight. When the piglets to prevent diarrhea in piglets diarrhea the most common disease of piglets great harm,[link widoczny dla zalogowanych], there are Piglet diarrhea, piglets white diarrhea, dysentery and other pig red, should be integrated control. Addition to routine health management office, you can also use the vaccine, such as pigs bonus vaccine, injection of 5 ml sow prenatal January, over two weeks in the injection of 10 ml; piglet diarrhea E. coli K88-LTB genetically engineered live vaccine (referred to as MM live vaccine), there are K88, K99, 987P, F41 monovalent or multivalent inactivated vaccine by the immune sows, piglets will be protected. Sow 4-6 weeks before delivery immunization: oral pathogens, using the field separation of the pathogen to the antenatal oral half of the sows, piglets are protected, in addition to Chinese and Western medicine can be used to prevent, such as the addition of bacitracin feed zinc, garlic and so on. Cases of early treatment has occurred, such as the use of antibiotics after the injection of sea cave to good effect (eg, gentamicin sulfate 80000IU, berberine hydrochloride in 2 ml of a mixture of sea cave after the injection). Improve immunization against common infectious diseases according to the main program of immunization in different regions, and pigs, may be involved in classical swine fever, lung disease, erysipelas, typhoid cut piglets, small virus, encephalitis, a reproductive respiratory syndrome , pseudo-rabies, E. coli disease, contagious pleuropneumonia, diseases such as breathing, which should be vaccinated, which do not have vaccination, as the case may be. Such as swine fever immunization, and some do not eat after birth in piglets with classical swine fever rabbit colostrum before the intramuscular injection of attenuated vaccine, 2 hours after feeding colostrum; some 20 days, 55 days old with one or more immune 20 days,[link widoczny dla zalogowanych], 70 days old immune once. Erysipelas, lung disease: post-weaning (30-35 days old ,45-60 days old) and lung disease with swine erysipelas vaccine immunization of all time. 70 - 90 days of age and lung disease erysipelas vaccine immunization of all time. 70-90 days of age and lung disease erysipelas vaccine immunization of all time. Piglet paratyphoid: After weaning (30-35 days old) were orally or by injection of a piglet paratyphoid vaccine. Swine enzootic pneumonia: piglets 7-15 days or 1 month of immunization immunity once again. Special case diarrhea dehydration: oral rehydration salts to drink throughout the day. Or the end of 100-200 grams of charcoal, fried rice amount, 1000-2000 ml of water, so that pigs from the service. Smudge charcoal or straw or the end of 500 grams, 25 grams of baking soda, water amount, once orally. Or ginger 25 grams, 30 grams of pomegranate peel, bark, jujube 40 grams, 20 grams of garlic, smashed a total of research, oral with hot rice soup. Porcine stress syndrome: chlorpromazine hydrochloride injection 1-2 mg / kg of body weight, intramuscular injection. Stability of injection 5 mg / kg of body weight, intramuscular injection. Cortisone acetate injection 0.1-0.2 mg / kg body weight, intramuscular injection. Vitamin C injection of 0.5 mg / kg of body weight, intramuscular injection. Stiff pig: If possible, can be stiff enough pigs to find milk lactating sows for 10 days; meal or complex protein powder 15%,[link widoczny dla zalogowanych], 65% of artificial salt, xanthan coke 20% (fried Hawthorn, The Divine Comedy, malt of equal parts), thinner Oral. Mastering the scientific method of weaning weaning time is normally 28-35 days, the first 21 days. After weaning rearing must remain in the original circle, namely, \Weaning under the circumstances, the following method: one-time weaning law: that is to the weaning off the mother and child separately, the method is simple, to promote rapid estrus after weaning sows; but suddenly weaned sows prone to mastitis, pig milk sudden stop stimulation of growth and development. Batch weaning method: a good first weaning weight of development, so weak piglets continue to eat milk, to a certain time to be weaned, it is a good development of small and weak piglets, but may not make full use of the nipple occurring mastitis. Gradually weaning method: 4-6 days before weaning, breast-feeding per day decreased the number of piglets until fully weaned so far, this method is not cause mastitis in sows is conducive to the development of piglets, weaning period particular attention to the following First, the mother left Aberdeen in time, the original circle training. Second, 2-3 weeks after weaning, but no change in material, gradually replaced later in the feed of growing pigs, and non-feeding moldy feed. Third, feeding should gradually to 3-4 times the number of transition. Au is to take effective measures to prevent the occurrence of post-weaning syndrome (post-weaning diarrhea, edema, endotoxin shock). Five is to keep the pens clean and dry and warm, ensuring clean drinking water. ? Lactating sow feeding and management to meet the nutritional needs first of all, the general requirement of not less than 14% crude protein, but also quality is better than some; to meet the calcium, phosphorus, iron, iodine, manganese, zinc and other minerals and trace elements needs; the same time Note that vitamin Zhang to, that is, the metabolism of sows itself, but also within the components in milk is very important. Such as the lack of VA, resulting in milk yield and milk quality. VB1 lack of the digestive, nervous, blood, skin, metabolism affected directly or indirectly affect lactation. Note that the supply of adequate drinking water and green succulent feed, to meet the needs of milk. Lack of milk must be prolactin, such as oxytocin 400000IU, an intramuscular injection once a day, once every 2-3 days. Or afterbirth Soup: Fresh chopped pigs or cattle and sheep afterbirth soup, mixed with food in sows, and even clothes 2-3 days. Or 150-200 grams of fish or shrimp, Oujie 100 grams, mash mixed with fresh feed the pigs, and even clothes for 3-5 days. Fresh earthworm 200-500 grams, 500 grams of shrimp, mixed food for sows, and even clothes 2-3 days. In short, to improve the survival rate of piglets and weaning weight, not only to pay attention to pregnant sows, lactating sows feeding and management, more importantly, the raising of piglets, as far as possible to take some practical comprehensive measures to sow more calving, producing good earners, the maximum degree of reduction of death, will control piglets died within the lowest to the piglet survival rate and weaning weight to maintain the highest level.
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