欢迎访问《草业学报》官方网站,今天是 分享到:

草业学报 ›› 2024, Vol. 33 ›› Issue (4): 210-220.DOI: 10.11686/cyxb2023190

• 研究论文 • 上一篇    

围产期日粮添加白藜芦醇对山羊生产性能、血液指标及炎症因子基因表达的影响

赵洁(), 陈恒光, 裴晓蒙, 于昊, 徐银莹, 茆达干()   

  1. 南京农业大学动物科技学院,江苏 南京 210095
  • 收稿日期:2023-06-09 修回日期:2023-07-28 出版日期:2024-04-20 发布日期:2024-01-15
  • 通讯作者: 茆达干
  • 作者简介:E-mail: maodagan@njau.edu.cn
    赵洁(1994-),女,山西太原人,博士。E-mail: 2021205014@stu.njau.edu.cn
  • 基金资助:
    国家自然科学基金(32072727);国家重点研发计划(2018YFD0501906)

Effects of resveratrol supplementation in the perinatal diet on production performance, blood indexes, and transcript abundance of genes encoding inflammatory factors in goats

Jie ZHAO(), Heng-guang CHEN, Xiao-meng PEI, Hao YU, Yin-ying XU, Da-gan MAO()   

  1. College of Animal Science and Technology,Nanjing Agricultural University,Nanjing 210095,China
  • Received:2023-06-09 Revised:2023-07-28 Online:2024-04-20 Published:2024-01-15
  • Contact: Da-gan MAO

摘要:

本试验旨在从山羊生长性能、血液指标和炎症因子基因表达方面研究白藜芦醇对围产期山羊的影响。18只妊娠129 d (即产前21 d) 的经产苏白母山羊分为Con 组 (基础日粮) 和Res组 (添加白藜芦醇400 mg·kg-1 干物质采食量)。采集产前15 d(d-15)、产后0 d(d0)和15 d(d15)的血液,测定生产性能、血液指标及炎症因子基因表达。预试验1周,正式试验4周。结果发现,Res处理不显著影响母羊采食量、羔羊出生体重、体尺和日增重,分娩前后母羊采食量变化显著(P=0.023),两组母羊分娩当日采食量最低。生化指标方面:Res处理显著影响d0的游离脂肪酸 (NEFA)水平,时间因素与Res的交互作用显著(P<0.05);Res处理对总胆固醇(TC)有影响趋势(P=0.093);Res处理不显著影响甘油三酯水平(TG),但分娩前后两组TG显著变化 (P=0.002);Res处理不显著影响高密度脂蛋白(HDL)水平,但Res和时间的交互作用有影响趋势(P=0.055);而低密度脂蛋白(LDL)和葡萄糖(Glu)均无显著变化(P>0.05)。抗氧化指标方面:Res处理提高d15的超氧化物歧化酶(SOD)活性(P<0.05);Res处理对总抗氧化能力(T-AOC)水平有影响趋势(P=0.078);而谷胱甘肽过氧化物酶(GSH-Px)及丙二醛 (MDA) 含量无显著差异(P>0.05)。免疫指标方面:Res处理显著影响d0的免疫球蛋白A(IgA)(P<0.05)及d0 和d15 的免疫球蛋白M(IgM)含量(P<0.05),但试验期间免疫球蛋白G(IgG)含量无显著变化(P>0.05)。Res处理产后15 d的TNFα及干扰素γ(IFNγ)表达量显著降低(P<0.05),但Nrf2、HO-1、IL-1IL-6无显著变化(P>0.05)。日粮添加白藜芦醇能影响围产期母羊血液游离脂肪酸水平,并在一定程度上增强母羊的抗氧化性能,降低炎症反应。

关键词: 围产期, 山羊, 白藜芦醇, 生产性能, 炎症因子

Abstract:

The aim of this experiment was to study the effects of resveratrol in the perinatal diet of goats in terms of growth performance, blood indexes, and the transcript levels of genes encoding inflammatory factors. Eighteen multiparous Subai female goats at 129 days of gestation (21 days prior to expected parturition) were divided into a control group (basal diet) and a Res group (supplemented with resveratrol at 400 mg·kg-1 dry matter intake). Blood was collected 15 days before (d-15) and 0 (d0) and 15 (d15) days after parturition, and the productive performance, blood indexes, and transcript levels of genes encoding inflammatory factors were determined. The pre-test period was 1 week and the formal test period was 4 weeks. It was found that the Res treatment did not significantly affect ewe feed intake, lamb birth weight, body size, or daily weight gain. The feed intake significantly changed between before and after parturition (P=0.023), and ewes in both groups had the lowest feed intake on the day of parturition. In terms of biochemical indexes, the Res treatment significantly affected d0 non-etherized fatty acid levels, and the time×Res interaction was significant (P<0.05). The Res treatment tended to affect total cholesterol (TC) (P=0.093), but did not significantly affect triglyceride levels. In both groups, the triglyceride levels differed significantly between before and after delivery (P=0.002). The Res treatment did not significantly affect high density lipoprotein levels, but there was a trend towards an effect of the Res×time interaction (P=0.055). Neither low density lipoprotein nor glucose levels showed significant changes (P>0.05). In terms of antioxidant indexes, the Res treatment significantly increased superoxide dismutase activity on d15P<0.05), and there was a tendency for Res treatment to affect the total antioxidant capacity (P=0.078). However, the Res treatment did not significantly affect glutathione peroxidase activity or the malondialdehyde content (P>0.05). In terms of immunity indexes, the Res treatment significantly affected the immunoglobulin A level on d0P<0.05) and the immunoglobulin M levels on d0 and d15P<0.05), but there was no significant change in the immunoglobulin G level during the test period (P>0.05). The Res treatment led to significantly decreased transcript levels of TNFα and IFNγ on d15P<0.05), but there were no significant changes in the transcript levels of Nrf2HO-1IL-1, and IL-6P>0.05). Our results show that addition of resveratrol to the diet of perinatal ewes affects free fatty acid levels in the blood, enhances their antioxidant performance, and reduces their inflammatory response to a certain extent.

Key words: perinatal period, goats, resveratrol, production performance, inflammatory factor