Efficacy of an herbal formula Guixiong Yimu San in preventing retained placenta and improving reproductive performance in cows

文献类型： 外文期刊

第一作者： Cui, Dongan

作者： Cui, Dongan;Wang, Lei;Wang, Ling;He, Jiongjie;Wang, Shengyi;Cui, Dongan;Wang, Lei;Wang, Ling;He, Jiongjie;Wang, Shengyi;Li, Yuqiong;Zhang, Zhounian

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关键词： Guixiong Yimu San; Herbal remedy; Retained placenta; Puerperal metritis; Prophylactic strategy; Cow

期刊名称：SCIENTIFIC REPORTS （ 影响因子：3.8； 五年影响因子：4.3 ）

ISSN： 2045-2322

年卷期： 2024 年 14 卷 1 期

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收录情况： SCI

摘要： Retained placenta is a common health issue, and appropriate prevention strategies are effective in postpartum health management. This study aimed to evaluate whether early intervention using GYS can prevent retained placenta and puerperal metritis, as well as enhance reproductive outcomes in cows. Each bovine in the GYS group (n = 591) received a single prophylactic dose of GYS (0.5 g/kg body weight) orally within 2 h after parturition, while those in the control group (n = 598) received no intervention. GYS treatment was associated with a decreased incidence of retained placenta (4.6% vs. 12.0%, P < 0.01, OR = 0.335), a lower puerperal metritis risk (8.8% vs. 20.1%, P < 0.01, OR = 0.369), and a reduced need for additional therapeutic antibiotics (11.2% vs. 26.1%, P < 0.01, OR = 0.342). We observed increases in the first service conception rate (59.7% vs. 49.1%, P < 0.01) and conception rate within 305 days postpartum (93.2% vs. 85.5%, P < 0.01) in the GYS group than in the control group. A significant decrease was observed in the number of services per conception (1.8 +/- 1.1 vs. 2.1 +/- 1.4, P < 0.01) and the calving-to-conception interval (83.6 +/- 39.6 vs. 96.6 +/- 52.5 days, P < 0.01) between the two groups. Additionally, GYS treatment increased milk yield on days 7, 14, and 28 postpartum without affecting milk fat, milk protein, somatic cell count (SCC), or milk urea nitrogen (MUN) on days 7 and 28 postpartum. Accordingly, the GYS was effective and safe in preventing retained placenta and to improve reproductive performance in cows. Therefore, it could be a prophylactic intervention for superior postpartum fertility in cows.

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