Strange tricks of raising pigs abroad

Foreign pig monsters recruit baking soda to gain weight the United States adds baking soda to the feed of pigs lacking lysine to make up for the lack of lysine. This method is beneficial to the digestion and absorption of crude fiber, making pigs gain more weight and gain weight faster. Copper element weight gain in Japan, if an appropriate amount of copper element is added to the feed mixed with antibiotics, the daily gain of pigs can be increased by 6.7%, the feed utilization rate can be increased by 2%, and the damage of some bacteria to pigs can be inhibited and the healthy growth of pigs can be ensured. The addition of 30 grams of citric acid per kilogram of feed in Britain can increase the palatability of feed, improve the digestion and absorption of nutrients in pigs, increase the conversion rate of feed, and increase the daily gain of pigs from 189 grams to 216 grams. This method is most suitable for feeding weaned pigs weighing 5ml and 10kg. Calcium formate fattening Finland added 1.54 grams of calcium formate to the feed of piglets in the first few weeks after weaning, so that the growth rate of piglets was increased by more than 12%, the feed conversion rate was 4%, and the incidence of piglets could be reduced. "moving" fattening American fattening pigs can increase their appetite and grow faster. Change the circle should not be too frequent, once a month is appropriate, the size and form of the circle should be basically the same. Each group of pigs should not be swapped or mixed with new pigs, otherwise the pigs will feel uneasy and even bite their heads. Temperature illuminance recorder / temperature illuminance recorder, carbon dioxide meter / carbon dioxide monitor, carbon dioxide recorder. From two weeks before parturition, sows were fed high-protein diet containing more than 18% crude protein to the weaning period, and were fed with low-protein diet after weaning. This can not only significantly increase the birth and weaning weight of piglets, reduce the prevalence rate, but also shorten the litter cycle of sows and increase the conception rate and piglets. Vitamin C promotes eugenics in Germany to improve the semen quality of boars by adding 4g vitamin C to boar feed every day. In the United States, adding 1 gram of vitamins to the diet of sows for a week of parturition can greatly reduce umbilical cord bleeding and mortality of piglets. Sow prolificacy method in Germany, 200 grams of vitamin E and 400 grams of carrots were added to sows from the third day of weaning, and when the sows were in estrus, the amount of these two additives was reduced by 50% until 21 days after pregnancy. Using this feeding method, the litter size of sows can be increased by 21.9%, and the physique of sows and piglets will be strong, and the survival rate of piglets will also be improved.