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Supplementing trace element feeding piglets requires 7 mg of iron per day and about 50 mg of body reserves after birth. Only 1 mg of iron can be obtained from milk daily. Therefore, iron deficiency anemia often occurs in piglets if they are not iron supplemented from 7 to 10 days after birth. It manifested as decreased appetite, rough hair, pale skin, stagnation, and diarrhea. The main methods of iron supplementation are:
The iron-containing preparations that are used for injection of iron include blood polysulfide, blood serum, and dextran iron mixture. According to need, the appropriate dose of intramuscular injection (depending on the concentration of iron agent) in the piglets from 2nd to 3rd day of age. For example, some farms in Shanghai injected three piglets of iron dextran (100 mg/2 ml produced by the Shanghai First Pharmaceutical Factory) at 3 days of age, and were able to effectively prevent iron-deficiency anaemia and increase the body weight of piglets.
An iron-copper mixture was prepared by dissolving 2.5 g of ferrous sulfate and 1 g of copper sulfate in 1000 ml of water to make an iron-copper mixture, which was put into a brown bottle. From the age of 3 days, the solution was dripped on the sow's nipple or fed with a bottle, once or twice a day, feeding 10 ml per head.
Selenium-seedling piglets should also supplement selenium. Three days after birth, intramuscular injection of 0.1% sodium selenite 1.5 ml to 2 ml. Inject once more at weaning.
Feeding training The expected feeding time of the suckling piglets is as early as possible. Generally, they begin to train their expected materials 5 days to 7 days after birth. Start with fryed barley, corn, sorghum, beans, etc. in the feeding room, and then observe carefully to see which of the piglets love to eat and feed the piglets their favorite ones. This will help train piglets as soon as possible. As long as there are several piglets eating, the other piglets will imitate and eat. In addition, compulsive methods can be used to train their material. Put the flour into boiled water. Grab the piglet's neck with your left hand. Hold your thumb and forefinger around the corners of your mouth to open your mouth. Use your right hand to scratch the pig's tongue with a wooden or bamboo stick and let go. He swallowed and trained 3 to 4 times a day.
Feeding Methods The piglet has been trained on the 5th to 7th day to receive feed. It has identified the feed and has the desire to eat. In order to consolidate the conditioned reflexes of the feedstuffs of the pigs, do not arbitrarily change the feed contents and feed locations. The number of feeds should be increased from small to large, starting from 50 grams to 100 grams, and even if it is finished on the day, it will not be supplemented, and will increase slightly each day, gradually adapting the piglets gradually. Fresh carrots, sweet potatoes, squash, barley malt, loose pelleted feed or fried cereals should be supplied before the age of 30 days, and pepsin, lactase, yeast powder, etc., should be added if necessary. Feed 3 to 4 times daily. Each feeding time should be selected when the piglets are most active. It is usually about 2 hours after the sows are eaten. It is also suitable for the piglets to feed freely. From the time that the piglet is expected to receive 30 days of age, the purpose of feeding is to supply some of the nutrients, and more importantly, to adapt the digester function of the piglet to plant feeds, so as to lay the foundation for a vigorous diet. Therefore, the emphasis of feeding at this time is to emphasize the palatability of feed and increase the appetite of piglets. After 30 days of age, the piglet enters a vigorous diet and can eat and digest plant feeds in large quantities. The purpose of feeding is to try to make piglets eat faster and longer. On the one hand, nutrient-rich digestible piglets should be prepared. Each kg of feed contains digestive energy of 3.2 megacalories, crude protein is more than 18%, and appropriate vitamins, trace elements and antibiotics are added to increase the full price of the feed. Feeding methods can be fed freely or fed 5 times during the day and 1 supplement at night. Daily intake gradually increased from about 300 grams, and increased to 1200 grams when weaned. On the other hand, to reduce the number of breast-feeding, the control is 4 to 6 times a day.
Due to the low disease resistance of suckling piglets, special attention should be paid to the hygienic conditions between feed and feed during feeding.
Water-supplying piglets have high metabolism, high water requirements, and high breast milk fat content. Piglets are often thirsty. If you do not feed clean drinking water, piglets will drink dirty water or urine, which can easily cause diarrhea. 3 to 5 days of age should be set in the feeding room to ensure the clean drinking water supply, and often change. Add sweeteners and minerals, do not feed greasy water.
Feeding piglets feeding technical points
The growth of suckling piglets is extremely rapid. Generally, the weight of piglets after birth is about 1 kilogram, which is more than twice as long as 10 days old and 5 times to 6 times as long as 30 days old. 60 days of age increased by 10 to 13 times. However, to achieve these levels of growth, it is obviously not enough to rely on breast milk to provide nutrition. The fact is that suckling piglets have insufficient nutrients taken from milk at the age of 3 weeks. After 6 weeks of age, the nutrition provided by the milk is less than half of the required amount. At 8 weeks of age, it can only meet about 1/3. If it is not supplemented in time, the growth of piglets will be hindered and the weight of weaned piglets will be reduced. Such as the active feeding of suckling piglets can not only promote its gastrointestinal development, more feed intake, increase piglet weight gain, but also can effectively prevent the occurrence of anemia, diarrhea and other diseases.