网络首发时间:2022-03-29 17:33:38 网络首发地址:. 猪营养 der heat stress. 75 healthy sows (Landrace × Yorkshire) with the gestation of 107 d and with the similar body weight and parity were randomly divided into three groups, with 25 replicates in each group and 1 sows in each replicate. Sows in group A were fed with Yupingfeng granule through mixing material, sows in group B were fed with Maxing Shigan granule through mixing material, and sows in group C were not given drugs. Sows were fed for 21 d. The results showed that on the 7th day, serum albumin (ALB), alkaline phosphatase (ALP) and direct bilirubin (DBIL) of sows in group A and group B were significantly or extremely lower than those in group C (P< or P<), and the effect of group A was better than that in group B. Compared with group C, the content of creatinine (CREA), total bile acid (TBA), uric acid (UA), total bilirubin (TBIL), direct bilirubin (DBIL) and glutamate transferase (GGT-γ) in serum of sows in group A and group B were significantly or extremely decreased on the 21th day (P< or P<). The feed intake of sows, labor process, seven-day mating rate, litter size, healthy litter size, litter weight of newborn piglets, and average weight of weaned