(1) Cut off fangs and cut off piglets. After birth, cut eight sharp upper and lower incisors and canines (commonly known as fangs) to reduce damage to the sow's nipple and injury to the litter of the litter. Be careful not to cut it too short, and the section must be cut flat.
The purpose of tail-closure is to avoid tailing at various stages of growth. Shortly after birth, the pigtails will be quickly recovered. To avoid short cuts, the end of the vulva or the middle of the scrotum can be used as a line marking the length of the tail.
(2) Weighing and scoring of piglets Ears of piglets should be weighed immediately after they are born and dried. Breeding pigs are numbered for each pig after it is born and can often be weighed at the same time. The common numbering methods are ear engraving, spine identification, and ear identification.
(3) There are many types of iron injections for iron injection, such as blood polymorphin in the United Kingdom, rich blood in Canada, lactone in Guangxi, iron sulfite in Shanghai, and iron-cobalt mixture in Wenzhou. The appropriate dose for each pig is 200 mg, usually 100-150 mg on the first day after birth and another injection at 2 weeks of age.
Intramuscular injection is a viable method, of course, you can also add iron orally, such as feeding directly with a bottle of iron and copper mixture.
(4) After the umbilical cord nursing piglets are 6 hours old, the umbilical cord will fall off automatically, and the weaker ones will take longer. If the umbilical cord of the piglet bleeds, attach the band to the umbilical cord 2.5 cm from the body to stop the bleeding. In addition, it is also possible to take umbilical measures, usually leaving 8-9 centimeters tight and applying 2% iodine.
(5) Fixed nipples have fixed nipples habits. Artificial assisted fixed caps should be performed within 2-3 days after the birth of the piglet. The method is to choose piglets as their main choices, and manual control is not helpful. In particular, it is necessary to control individual piglets that are strong enough to grab the nipples. You can usually put it aside, until the other piglets have found a good nipple, the sow put it on the designated nipple to eat milk. After about 3-4 days, the position of breastfeeding can be established to complete the fixing of the teat.
(6) Cold insulation Insufficient nursing piglets have the poor ability to regulate body temperature, and they must be cold and cold. The suitable temperature for piglets varies with age, from 30 to 32°C at 1 to 3 days of age, from 28 to 30°C at 4 to 7 days, and from 22 to 25°C at 15 to 20 days, from February to March. Age is 22°C. Intensive pigs are bred in perennial litters and have a maternity room dedicated to sow farrowing and breeding. The temperature of the delivery room environment is preferably maintained at about 21°C. At the same time, a piglet insulation box is set in the corner of the delivery bar to create a warm and comfortable environment for the piglet. Using infrared light to illuminate the piglet in the piglets' incubator ensures the high temperature required by the piglet without affecting the sow. Infrared lamps mostly use 250W, hanging above the piglets incubator. The height of the infrared light hanging can be adjusted according to the needs of the piglet, and the exposure time can be controlled flexibly according to the ambient temperature.
(7) Prevention of extrusion The proportion of neonatal piglets that have been squeezed to death is considerable, so measures must be taken to prevent pressure. Set the sow limit frame and the recumbent plate, so as to limit the sow's wide range of movements and lying down, so that the sow does not “fall bias†when lying down, but only slowly lying, then stretch out Lying on both sides of the limbs, this will give the piglet a chance to escape so that it will not be crushed by the sow.
In addition, keep the environment quiet and avoid disturbing sows. The delivery room should be guarded by dedicated personnel and should be on duty at night. Once the piglet is found to be under pressure, the sow is immediately picked up to rescue the piglet.
(8) Small boars or breeding boars on castrated farms that cannot be used for breeding should be castrated during breastfeeding. Castration is early, stress is low, and recovery is easy. Studies have shown that the most appropriate time for pigs to pass is 10 days after birth.
(9) Fostering foster piglets is to find nannies for piglets. When there are multiple litters at the same time, foster care is given to those piglets that have too many calving numbers, no milk or less milk, and sows died of illness due to postpartum illness. Effective measures for the survival rate of piglets. When the sow's calving number is too small, it is necessary to raise the nest so that the other sow will be escorted as soon as possible, and the piglets will need to be fostered.
When the piglet is fostered, the sow should be as close as possible to the date of production, preferably within 3 days. When the post-produced piglets are fostered in the first-migration nests, they must be placed in foster care, and when the first-born piglets are fostered in their nests, they will have to pick up small-scale foster care. In order to avoid a large difference in the weight of the piglets, it affects the development of piglets with small body weight.
The foster sow must be a sow with high lactation, mild temperament, and good nursery performance. Only such a sow can feed a lot of piglets.
The pig's sense of smell is particularly sensitive, and the maternity recognizing mainly depends on the sense of smell. Most sows chase biting foreign piglets and do not breastfeed. In order to make fostering smooth, the foster piglets may be smeared with nursing mother's milk or urine, or the piglets of the foster piglets and the nursing mothers may be combined in the same piglet box, and put into the sows at the same time after a certain period of time. The sows cannot be separated from the smell of the foster piglet.
The concentration of sodium citrate required for the erythrocyte sedimentation test is 3.8%, and the ratio of anticoagulant to blood is 1:4. This is a special test tube for the erythrocyte sedimentation rate. The sample type is plasma, which is suitable for erythrocyte sedimentation. Immediately after blood is drawn, it is reversed and mixed 5-8 times. It should be shaken again when it is used. The difference between it and the test tube for coagulation factors is that the concentration of anticoagulant is different from the proportion of blood and cannot be confused.
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