Piglets are generally weaned at 45 days of age - 60 days of age, and the weight of the weaned litter (ie the weight of the weaned litter) is an important measure of the quality of the piglet's management. To achieve better economic benefits, the piglets must be weaned. The maximum weight is achieved. To increase the weight of piglets at weaning, we must implement “three catches†and have three good levels. 1. Grab a baby food and have a good birth. The 7th day after the birth of the piglet is the first critical period. It is called the primary period. If you want to have a good birth, you must eat the piglets and eat the colostrum, because the colostrum secreted by the sow has special physiological effects on the piglets. . Sows have different amounts of milk from each nipple, generally more milk in the front than in the back, and the piglets have the habit of fixing and sucking a nipple. After the birth, they have the instinct to look for nipples. The strong piglets soon. Can find more milk nipples, weaker piglets can only suck milk less nipples, over time, the size of the litter of piglets, and even some piglets will become stiff pigs. In order to make the litter of piglets consistent, the piglets can be sucked to fix the nipples by artificially assisting the first few sucklings of the piglet. The specific approach is: first put a strong piglet to grab a strong piglet aside, and the weak piglets first arranged in the first row of more milk sucking on the nipples, medium piglets arranged in the rear rows of positions, such as breast milk close When the milk is released, the strong piglets that grab the nipples suck the milk on the empty nipples in the back row. This allows each piglet to hold a nipple and sucking milk. In order to identify the position of the piglets and their fixed nipples, a marker can be used to mark the buttocks hips or back. Through the above measures, colostrum can be eaten by every piglet. 2. Grab open food and feed well. The second critical period is 10 days to 25 days after the piglet is born. During this period, it is necessary to grasp the good food and eat well. The sow’s lactation level generally decreases gradually after 3 weeks, and the piglets’ growth and development are accelerated. With the increase of body weight, the daily needs of the piglets are more and more nutrients. At this time, breast milk alone can no longer meet the needs. This requires timely supplementation to speed up its growth and development. Feeding time should be as early as possible, generally begin to adjust the eating material about 7 days after birth, so that it can basically take the initiative to eat at about 20 days of age. Supplementary feeding method: 7 days old - 15 days old, fry soybeans, peas and crushed into granules, add a little salt and mix, sprinkle in the quail to induce food. For individual piglets that have difficulty attracting food, add a little sugar water to the feed and apply it to the mouth of the piglet. After the paste has been applied to the piglet, let it feed on the mouth of the piglet. After 2 to 3 times, the piglets can feed on their own. 15 days old - 25 days old, the pellet feed into compound feed (add a little salt in the feed). Feed 3 times a day. The palatability of compound feeds must be good, and the crude protein content in the diet should not be less than 18%. For example, adding lysine and trace elements in the diet is more effective. 3. Grab your food and have a good weaning pass. After 30 days of age, piglets are called the third critical period. The piglet grows faster and enters a vigorous diet, at which time the piglet feeds on more feed. 25 days of age - 35 days of age, the feed supplement with feed and green feed in a ratio of 3:1 mix, and then feed, green feed to be fine. During feeding, water should be added to the water lees and warm water should be used in winter to allow the piglets to drink freely. To ensure a good weaning pass, we must focus on the “three transitionsâ€: First, change circles, divide into groups, and gradually transition, keep the piglets in the original circle, and only transfer the sows to other pigsty, after 10 days - 15 days, Then according to the piglet size, strength, sex and circle. Second, the gradual change in feed conversion, into the vigorously growing piglets, can eat a lot of food, each head can eat material 0.6 kg - 0.8 kg, daily gain of up to 240 grams - 330 grams . It is necessary to feed general feeds first, and then add fishmeal, bean cakes, meat and bone meal, etc., which have good palatability, contain many proteins, and piglets love to eat. Thirdly, the number of feed feeds should be increased. The number of feedings should be increased during the day, 5 times a day - 6 times, and then be fed at 10 a.m. once more, while reducing the amount of green feed, and the feed should be relatively stable. Don't change too much. Suddenly changing the feed will often make the piglets reduce their feed intake. During the feeding period, potassium red potassium permanganate should be fed every 3 days to 4 days, and oxytetracycline should be added to the feed after 10 days of age to prevent piglet blight.
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