Early weaning to eat colostrum concentrate should be appropriate

Try to make piglets weaned as early as possible

Some farmers believe that the longer the suckling piglet is feeding, the better. Tong Guangyao, general manager of the company, believes that this will not only increase the cost, but also reduce the utilization of sows, but also produce other side effects. The effect of maternal antibodies on piglets is only 21 days, after which some invisible diseases are transmitted to piglets. As long as the temperature is between 25°C and 30°C, it should be weaned on the 18th to 20th days after the birth of the piglet. When weaned one day earlier, sows can eat less concentrate for one day, and the incidence is greatly reduced. If weaned on the 25th day, each sow would have to eat 91 yuan more concentrates, and the incidence of piglets is high.

Scientifically adjusting pregnancy

Sows' Concentrates They divide sows from conception to farrowing into 1 to 7 days, 8 to 37 days, 38 to 100 days, 101 days to four weeks of farrowing. According to the growth needs of the fetus in these four stages of the sow's body, 1.8 kg, 2.25 kg, 1.8 kg, and 2.7-3.6 kg of concentrate are fed each day. If the first stage feeds more high-energy, high-protein concentrates, it will reduce the rate of conception; the second and third-stage concentrates do not need to be fed too much; otherwise, the sow carcasses are too fat and may cause dystocia; The fourth stage is the fetal long-term, it is necessary to feed more concentrates to increase the birth weight and survival rate of piglets. If not controlled, a sow can eat 3 to 3.5 kilograms of concentrate each day during conception.

After using the sow's four-stage concentrate adjustment method, a sow's production cycle can reduce the cost by about 70 yuan, and each year it has 2.4 litters, a total cost reduction of about 170 yuan. With only this one, the company's 1,100 sows lost 190,000 yuan a year.

Let litter pigs eat equally colostrum

Tong Kuan Yew found that in the same litter of piglets, a small number of post-born piglets did not have sufficient maternal antibodies because they did not eat enough colostrum, resulting in decreased survival rates. So, he put some of the piglets that were born and who had eaten colostrum in the incubator, so that the piglets born later can eat the colostrum, and then release the first-born pigs to continue feeding, so that the litters can be basically equalized. Eating colostrum reduces mortality and lays a foundation for their future growth.

Nutrition is reasonable but not excessive

The nutritional needs of pigs at different stages of growth are different. Tong Guangyao fed concentrates within 10 days after weaning. After that, as the weight of young pigs increases, the ratio of feeds will change, and investment will be saved as much as possible. In this way, even if the pig’s nutrition is reasonable, it will not be excessive.

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