China Animal Husbandry and Veterinary Medicine ›› 2025, Vol. 52 ›› Issue (5): 2341-2352.doi: 10.16431/j.cnki.1671-7236.2025.05.037

• Basic Veterinary Medicine • Previous Articles    

Effects of Qilan Compound on Immune Function,Reproductive Performance and Defecation Function of Perinatal Sows

ZANG Xinyi1, ZHANG Ruoyi1, CHEN Zehan1, FAN Shuyu2, LI Jian1   

  1. 1. Fujian Key Laboratory of Traditional Chinese Veterinary Medicine and Animal Health, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
    2. University Key Laboratory for Integrated Chinese Traditional and Western Veterinary Medicine and Animal Healthcare in Fujian Province, Fuzhou 350002, China
  • Received:2024-07-05 Published:2025-04-27

Abstract: 【Objective】 This experiment was conducted to reveal the effects of Qilan compound on immunity function,reproduction performance and defecation function of perinatal sows,and provide a reference for improving the health of perinatal sows.【Method】 Twenty-five binary sows (30-40 gestational age) were selected and divided into blank group (N),0.1%,0.2% and 0.4% Qilan compound groups (L,M and H) and positive control group (A),5 replicates per group and 1 sow per replicate.The pigs in Qilan compound groups were supplemented with 0.1%,0.2% and 0.4% Qilan compound in the basal diet,respectively,and pigs in positive control group were supplemented with 50 mg/kg Elaxin in the basal diet.The test started on day 91 of gestation and ended at weaning (21 days postpartum).Blood was collected at 91 days of gestation,4 and 21 days postpartum to measure the serum antioxidant function (T-AOC,GSH-Px,SOD and MDA),immunoglobulins (IgG,IgM and IgA),inflammation factors (IL-6 and IL-1β) and gastrointestinal hormones (SP,MTL and VIP) contents and PRRSV antibody levels.Reproductive function indicators and constipation rate were counted,and the feces of the test pigs were collected at 21 days after parturition to detect the effect of Qilan compound on fecal short-chain fatty acids.【Result】 On postnatal days 4 and 21,compared with group N,T-AOC,GSH-Px and SOD activities in serum of sows in Qilan compound groups were significantly increased (P<0.05),and MDA content were significantly decreased (P<0.05);The contents of immunoglobulin IgG,IgM and IgA were significantly increased (P<0.05),and the contents of IL-6 and IL-1β were significantly decreased (P<0.05),and H group had the most significant effect;S/P value of PRRSV antibody was significantly decreased (P<0.05);The content of VIP was decreased significantly (P<0.05),and the contents of SP and MTL were increased significantly (P<0.05).Compared with group N,the rate of stillbirth and weak piglets were significantly decreased in the Qilan compound groups (P<0.05),litter weight at birth and weight of weaning litter were significantly increased (P<0.05);The constipation rate in Qilan compound group were significantly decreased (P<0.05);The content of SCFAs in feces of sows in Qilan compound group were significantly increased (P<0.05).【Conclusion】 Qilan compound had a significant effect on the immunity function,reproduction performance and defecation function of perinatal sows,the effect of 0.4% Qilan compound in diet was the best,and could be used for perinatal sow health care.

Key words: Qilan compound; perinatal sows; immunity function; reproduction performance; defecation function

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