After gilts were reared for 210 days, the maturation of the whole pig was the same as that of sexual maturity. The body weight was just above 120 Kg. If the happiness of the happy pig was seriously insufficient, the early reproductive system was damaged and the performance was low. Causes sows to reduce reproductive performance. Therefore, the following preparations must be made before the start of sow mating. The first is to feed special gilt feeds with low energy levels and rich minerals from a weight of 80kg to 10 days before breeding to promote sow bone growth and reproductive system development. The second is to remove external parasites. Third, the internal parasites were removed 2 to 3 weeks prior to breeding, with insects within 15 days apart. The fourth is to breed 10-14 days before the aphrodisiac supplement feeding, feeding professional sow feed, increase the sows row, the second estrus after breeding. Fifth, the breeding of the first-born pigs needs to be grown to 7.5-8 months of age, weighing 110-120 kg, and estrus 2-3 times. Another benefit of vitamins for the human body is that it can help the growth and development of the human body to operate normally, especially for teenagers, vitamins are one of the essential nutrients in the growth process. For example, vitamin D can well adjust the metabolism of some trace elements in the human body, and can also promote the absorption of calcium by the human body, maintain bone health, and maintain a balance between the blood phosphorus level and the blood calcium level in the human body. Vitamin Efficacy,vitamin drink,The benefits of vitamins,vitamin water YT(Xi'an) Biochem Co., Ltd. , https://www.ytherblifes.com