Spring piglet feeding technology should pay attention to "one feed four supplements"

The core tips: Piglets should be fed as early as possible after birth to increase pig house temperature and supplement iron, copper, selenium, trace elements, improve the survival rate of piglets.

1. Feeding: Piglets have no immunity after birth and can not produce antigens themselves. Only by eating sow's colostrum, relying on antigens provided by maternal mothers in colostrum to gradually form auto-antibodies can improve the ability to resist disease.

In the feeding of colostrum it must be done:

1. Within 2 hours after sow giving birth, first wash the sow's breasts with warm soapy water solution, and then use 0.04% potassium permanganate solution to clean the sow's teat repeatedly with about 32°C warm water. Disinfect the dry towel and dry it for feeding.

2. According to the characteristics of sow's lactation, from the first feeding of colostrum, the small and weak piglet discharge is positioned on the front of the sow's chest and the 3 pairs of teats are located. The strong and bulky emissions are located in the rear of the 4 pairs. Nipples, patience and repeated insisted for about 1 day, until all the pigs fixed position, before the nurse can be placed in the sows in the sow column for free feeding.

3. After each feeding of the piglets, the piglet is moved to a nurturing bar (box) or a nest or quail to rest quietly.

4, at any time pay attention to grasp the pig's full, warm dynamics (when the pigs do not cry for sleep to moderate warmth).

Second and fourth supplement

1, make up the temperature. Newborn piglets have poor ability to regulate body temperature. The piglets born in the cold autumn and winter early spring in the cold north and the south are particularly afraid of the cold. Therefore, it is very necessary to properly recharge the newborn piglet. (1) After having cleaned the pig's body surface with heat preservation equipment, it shall be placed in a warming device (32-30°C) that has been raised to a good temperature and rested. (2) Non-insulated equipment must be prepared within 2 days before delivery of a sterile litter, bedding pad to eliminate the toxic insulation pad, and then install a good 60-watt electric bulb 35-40 cm away from the middle of the nest. After the pig is born, it is put into the nest to turn on the electric light, and 1-2 layers of sterile gauze are put on the nest and gargle to facilitate the ventilation and ventilation. (3) The period and amount of replenishing temperature. The required temperature for the piglet is 1-3 days after birth and the temperature is 32-30°C, 30-28°C for 4-7 days, 28-26°C for 8-28 days, and 24-22°C for 29-40 days. Relatively stable and stable, the piglets will be de-warmed. If the temperature difference between the temperature and the room temperature is too large, the de-warming time should be extended appropriately.

2, iron, copper, selenium trace elements.

(1) After the piglets are born 3 days later, they are dissolved in 1000 ml cool water with 2.5 grams of ferrous sulfate (more than 20% iron content) and gram of copper sulfate (more than 25% copper content). Put the mixture into the bottle with the mouth to suck the pigs; you can also directly mix the mixture into the mouth of the piglet, 1-2 times per head, feeding 10 mg each time, continuously for 4-6 weeks; The piglet was injected intramuscularly or subcutaneously with 1 -2 ml of dextrose iron-cobalt mixture and injected once every 7 days.

(2) Three days after the birth of piglets, intramuscular injection of 0.1% sodium selenite 0.5ml per head, and once again at weaning.

3, nutrition. After the birth of the piglet, as the age increases, the weight gains rapidly and the consumption of substances increases. However, the amount of lactating sows decreases day after day at the age of 30 days. Therefore, feeding nutritional supplements to piglets can supplement the supply of substances needed for growth, and can also enhance the exercise of the digestive tract. In the environment where the pH of the piglet is adjusted, the piglet feed must grasp the three technical links “early, full, and busy”.

(1) Starting from 8-10 days after birth, the “early” piglets are crushed with fried sweet Corn and beans with a little sugar to make corn. They are often placed in piglets for import and export or in cultivating stalls for piglets to sniff and feed.

(2) "All" When the tempted piglet can learn to eat 15-20 days old, it is necessary to provide full-price piglet nutrition feed (3.2-3.3 megacalories per kilogram of digestible energy, 20% crude protein-21 %, calcium 0.8%, phosphorus 0.6%, salt 0.25% -0.3%, crude cellulose less than 4%, carotene 150 mg and trace elements, vitamins, amino acids) to the piglet.

(3) After “Wan” piglet grows to 25-30 days of age until weaning, the growth and development of piglets are particularly strong. It will provide full-fledged full-fed feed and implement the “multi-meal, controlled-volume, plus-night” feeding method. , feed 5-7 times per day per head, which must be arranged at 10 o'clock in the evening to feed 1 night, piglets eat 90% full meal is appropriate.

4, replenishment. Piglets (including lactation) are very strong in growth and development, and their metabolism is particularly strong and their water requirements are high. Three days after the piglet was born, it began to supply clean drinking water. It can prevent the piglet from causing infectious diseases due to thirsty drinking water or urine. Adding 0.02% potassium permanganate solution to drinking water can prevent and reduce the occurrence of common diseases in digestive tract of piglets. Drinking utensils should be frequently rinsed and disinfected to keep them clean and free from germs.

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