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Piglets physiological characteristics: 1, poor body temperature regulation. Piglets born sound cerebral cortex development is not enough, through the nervous system's ability to regulate body temperature difference. Newborn piglet nutrition from the mother who brought up the small to glucose, for example, only enough to maintain the needs of piglets a few hours, and suckling pig body fat Xucun limited, can not long provide energy for the suckling pig, in the cold environment can not breast-feeding situation in a timely manner, the suckling pig is prone to causing death because of hunger. 2, the lack of innate immunity. Piglets born without innate immunity, because the antibody is a big elements -globulin, fetal cord blood as maternal and fetal blood vessels between the tube was 6 ~ 7 layer separated, limited by maternal antibodies transfer of blood to the fetus. Thus piglets born without innate immunity, can not produce its own antibodies. Only after eating colostrum, maternal antibodies by colostrum to pass to the piglets, after the transition to self-produced antibodies obtained immunity. 3, digestive organs underdeveloped digestive gland function is incomplete. Piglets born only rennet stomach, pepsin little, because fundic gland underdevelopment, lack of free hydrochloric acid, pepsin is not active, can not digest protein, especially vegetable protein. At this time only the midgut gland and pancreas development more fully, trypsin and intestinal amylase and lactase activity was higher, mainly in the small intestine digest food. Therefore, newborn piglets can only eat milk, but can not use the plant feed. Piglets another perfect performance of digestive function is the rate of food through the digestive tract in particular fast food into the stomach emptying rate, 15 days of age was 1.5 hours, 30 days of age 3 to 5 hours, 60 days when age 16 to 19 hours. 4, the growth speed. Piglet grows fast, is strong because of metabolism, particularly protein metabolism and calcium and phosphate metabolism is much higher than the adult pig. 20 days after birth when the deposition of protein per Kg body weight, equivalent to adult pigs, 30 to 35 times the net metabolic requirements per Kg body weight for 3 times the adult pig. Therefore, the pigs on nutrient needs, both in quantity and quality are higher than the adult pigs, feed nutrition incomplete response to particularly sensitive. Therefore, all pigs must ensure adequate supply of nutrients. Feeding management of the pig: Suckling pig breeding management purposes, is based on the growth of piglets and physiological characteristics, feeding and management to take appropriate measures to improve the survival rate and the maximum feeding weaning weight and weight at weaning, weaning of piglets through the relevant security, to facilitate the breeding and fattening of normal growth and development. Here is the suckling pig feeding and management should pay attention to the points. 1, good cold insulation work Suckling pig house should be kept clean and dry, holding area to keep the first day the temperature 32 ~ 35 ; the first weekend, more than 27 , after a week down 2 , the temperature of weaning until the first week of 29 . It should be emphasized that the temperature difference between day and night, spring and autumn, do not neglect the work of piglets in the evening heat. Insulation methods: A. insulation lights, multi-use 250W infrared heating lamp column in piglets; B. beds or electric hot plate; C. bran with a lot of noise in the system put in sacks made of warm nest of people, so suckling pig sleep on it can keep warm. 2, broken cord, cutting teeth and tails Piglets born to be the umbilical cord after beating a weak hand direction of crowd back to the umbilical cord blood and clenched, 4 ~ 5cm away from the umbilicus down umbilical blunt Office (Nieduan). Deciduous teeth in piglets hair is dry, cut eight fangs, to prevent bites sow piglet nipple. At the same time, to tail, with 2 to 5% of the iodine disinfection umbilicus and tail ends, to prevent infection. 3, breast-feeding as soon as possible after birth Suckling pig should be as soon as possible (3 hours) to eat sufficient quantities of colostrum. 24 hours in the postpartum sow's milk called colostrum endocrine, which is rich in immunoglobulins, the immune globulin was absorbed into the blood sucking going formation in the suckling pig in vivo function of effective resistance, so suckling pig enough to eat as soon as possible after birth, colostrum is to improve the function of piglet disease resistance, the key to reducing piglet mortality. The same time, breast milk contains large amounts of fat, sugar and protein, these nutrients digested and absorbed very easily suckling pig for the hungry and the body under the suckling pig is limited nutritional Xucun, breastfeeding is particularly important and timely. Statistics show that: the death of piglets born, 15% of the piglets was due to failure to receive breast milk and died of hypoglycemia. 4, should provide sufficient clean water Breast which water can not completely meet the needs of growing piglets, piglets born from the first day, they should provide a lot of sucking clean drinking water, should the supply of warm water in winter. Sink should be kept clean and changed frequently to clean water, adequate water intake can be increased to help digestion and absorption, in drinking water by adding vitamin B, glucose, can regulate gastrointestinal functions, increase resistance. 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