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Second, insulation pressure insulation is a key measure to improve the survival rate of piglets. The most suitable environmental temperature for piglets is: 32 to 28°C from 1 to 7 days of age, 28 to 25°C from 8 to 30 days, and 23 to 25°C from 31 to 60 days.
The insulation method is:
1. Build a simple insulation room in the production circle. General requirements of the insulation chamber length of 1.2 meters, 0.75 meters wide, about 1 meter high can be left at the bottom of the side of the insulation room for piglets free access to the small door, small door width 0.15 ~ 0.2 meters, 0.2 meters high.
2. Insulation room by hanging infrared light bulb (250 ~ 500 watts) or heated with a hot water bottle. In the middle of the insulation room, a dry and wet thermometer is suspended 0.5 meters from the bottom to accurately grasp the temperature and humidity. The infrared light bulb is 30 to 40 centimeters from the ground. Put some short, loose grass on the indoor floor and pay attention to changing. After several trainings, the piglets will get used to getting into the heat preservation room automatically, so that the piglets will not be frozen to death, and they will rarely be crushed to death.
3. There may be some deaths of sows due to one reason or another in overfeeding and joint litter production, or the sows have no milk after birth, or the number of piglets produced exceeds the number of effective teats. "Ma" or milkless piglets are sent to other sows to feed. Occasionally, there may be a small number of sows born or a part of piglets that have died for some reason. In order to increase the utilization rate of sows, these piglets may be appropriately combined. Before the merger, the piglets must eat enough colostrum. Whether it is to send nests or raise nests, we must make full use of the characteristics of the pig's sense of smell. We must first mix the piglets before we deliver the nest and raise them.
The method is to use "milk" milk (do not promote the sow's urine) to wipe the entire piglet's body and mix it at night, so that the sow can not distinguish between self-produced and foster piglets, after which we should pay attention to observe, prevent the sow refused Breastfeeding or biting into piglets. Sending nests and raising piglets require similar maturities, preferably no more than 3 to 4 days.
Fourth, supplement iron selenium iron is a hematopoietic raw material, iron deficiency in piglets will affect their own hematopoiesis. Newborn piglets have very little iron reserves, only 30 to 50 milligrams. Normal growth requires 7 to 8 milligrams of iron, and the amount available from breast milk is limited. Daily piglets receive only 1 milligram of iron from their milk.
There are several ways to make iron:
1. Within three days after the birth of the piglet, intramuscular injection of dextran iron cobalt injection and sodium selenite vitamin E injection in the neck or buttocks, but also iron, selenium mixture, such as blood, blood, etc. The dosage should be determined according to the product description.
2. Add 0.25% ferrous sulfate and 0.1% copper sulfate solution to the sow's nipple and let the piglets eat.
3. Sprinkle some clean red clay in the circle so that the piglets can eat freely to supplement the lack of iron.
Fifth, to strengthen nursing care for ordinary farmer pigs, often only pay attention to the day of childbirth care, and once the pigs all output, they think everything is fine. In fact, the care of the piglets within one week after birth is not negligible because of their unresponsiveness, inflexible action, and being easily crushed to death. In order to prevent the piglets from being crushed to death and trampling to death, the sows should be provided with pressure-proof partitions, and regular inspections should be conducted to prevent starvation and death from freezing.
Sixth, do a good job in epidemic prevention and treatment In order to ensure that piglets do not develop swine fever in the future, after the piglets are born, before they have breast-feeding, they can be vaccinated at regular doses to avoid the attenuated vaccine and wait for the piglets to feed freely after 2 hours. In addition, sows should be given drugs such as stilbide powder or oxytetracycline to prevent piglets from developing red and jaundice. If piglets have such diseases, they should immediately take the anti-spasm cream to the piglets, and can wipe the skin of the pig's back with the killing king solution or the cockroach net. Generally, it will be effective after 1 or 2 treatments.
Piglet weekly feeding management points
According to the survey, most of the losses and deaths of piglets after they were born have occurred within 30 days. The deaths in the first week often account for about 60% of the total deaths. The reason for this is that newborn piglets were crushed to death by sows, or death due to jaundice and colds in piglets due to poor self-resistance. Obviously, it is very important to do a good job of raising and managing piglets in the first week after birth, which is the key to raising the piglet rearing rate. ??????????????????????????????????????? First, to eat enough colostrum because the newborn piglets do not have innate immunity, must be obtained by sucking colostrum, otherwise prone to multiple diseases. It has been proved that if the piglets do not eat colostrum, it is very difficult to raise them. Therefore, after the production is completed, the piglets should be placed under the belly of the sow to eat colostrum immediately. Fixed nipples can prevent piglets from robbing each other of their tits, showing teething and robbing their tits, and interfere with normal sows' feeding. Therefore, in the postpartum 2 ~ 3 days must complete the work of fixing the teat, the weak piglets in the front and middle, to make up for congenital deficiency, can make the entire litter of piglets development evenly.
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