姜黄素对海南屯昌猪生长性能、饲料养分表观消化率和血清生化指标的影响

doi:10.16431/j.cnki.1671-7236.2023.05.014

摘要/Abstract

摘要： 【目的】研究饲粮中添加姜黄素对生长期海南屯昌猪生长性能、血清生化指标和饲料养分表观消化率的影响。【方法】选取健康、体重(35.88 kg±0.25 kg)接近的80头海南屯昌猪,随机分成5组,每组4个重复,每个重复4头猪,其中对照组饲喂基础饲粮,抗生素组在基础饲粮中添加300 mg/kg硫酸黏膜杆菌素,3个试验组分别在基础饲粮中添加200(姜黄素1组)、400(姜黄素2组)和600 mg/kg(姜黄素3组)姜黄素。预饲期7 d,正试期50 d。试验第51天早上称重,计算生长性能;从每组随机选取6头猪静脉采血,检测血清生化指标;每个重复随机收集3头猪的新鲜粪便,测定饲料养分表观消化率。【结果】与对照组相比,姜黄素3组猪平均日增重(ADG)提高23.82%(P＜0.05);料重比(F/G)降低20.06%(P＜0.05);血清天门冬氨酸氨基转移酶(AST)活性和二氨氧化酶(DAO)含量分别降低22.23%和29.31%(P＜0.05);血清IgA含量提高21.14%(P＜0.05)。与抗生素组相比,姜黄素3组猪平均日增重(ADG)提高23.09%(P＜0.05);粗纤维表观消化率提高42.14%(P＜0.05);血清AST活性降低31.75%(P＜0.05)。姜黄素2组猪平均日增重与对照组和抗生素组均无显著差异(P＞0.05),粗纤维表观消化率极显著高于对照组和抗生素组(P＜0.05);与对照组相比,姜黄素1、2组猪血清D-乳酸和DAO含量均显著降低(P＜0.05)。【结论】饲粮中添加600 mg/kg姜黄素可以提高生长期海南屯昌猪的生长性能和粗纤维表观消化率,提升机体免疫状态,具有替代抗生素的潜力。

关键词: 姜黄素; 海南屯昌猪; 生长性能; 表观消化率; 血清生化指标

Abstract: 【Objective】 The aim of this experiment was to investigate the effects of different concentrations of curcumin supplementation on production performance,serum biochemical indexes and apparent feed digestibility of growing Hainan Tunchang pigs.【Method】 Eighty Hainan Tunchang pigs weighted 35.88 kg±0.25 kg were randomly divided into five groups,each group had 4 replicates,and 4 pigs for each replicate.The pigs in control group were fed with basal diet,and the pigs in antibiotic group were supplemented with 300 mg/kg mucocitractin sulfate in basal diet.The pigs in other 3 treatment groups were supplemented with 200 (Cur group 1),400 (Cur group 2) and 600 mg/kg(Cur group 3) curcumin in the basal diet, respectively.The pre-feeding period was 7 days,and the trial period was lasted 50 days.The experimental pigs were weighted on the 51 st day morning for the calculation of growth performance.Six pigs’serum in each group were randomly collected for the measurement of serum biochemical indicators.The fresh feces of 3 pigs were randomly collected for each repeat to determine the apparent digestibility of feed nutrients.【Result】 Compared with control group,average daily weight gain (ADG) was improved by 23.82% (P＜0.05),the ratio of feed and gain(F/G) was reduced by 20.06% (P＜0.05),the activity of serum AST and DAO content was reduced by 22.23% and 29.31%,respectively (P＜0.05),and serum IgA concentration was increased by 21.14% (P＜0.05) in Cur group 3. Compared with antibiotic group,the ADG of pigs was improved by 23.09% (P＜0.05),the apparent digestibility of crude fiber was increased by 42.14% (P＜0.05), and the activity of serum AST was reduced by 31.75% (P＜0.05) in Cur group 3.Compared with control and antibiotic groups,ADG of Cur groups 1 and 2 showed no significant difference(P＞0.05).Compared with control group,both of serum’D-lactic acid and DAO concentrations in Cur groups 1 and 2 were significantly reduced (P＜0.05),and the apparent digestibility of crude fiber of Cur group 2 was significantly increased than control and antibiotic groups(P＜0.05).【Conclusion】 Adding with 600 mg/kg curcumin could increase the growth performance and apparent digestibility of crude fiber in growing Hainan Tuncahng pigs,and improve the immune state of pigs,which could play an potential role for replacing antibiotics.

Key words: curcumin; Hainan Tunchang pig; growth performance; nutrient apparent digestibility; serum biochemical index

中图分类号:

S816.7

欧阳坤, 魏立民, 孙瑞萍, 解娅立, 齐琪, 李想, 刘圈炜, 晁哲, 张永亮, 陈婷. 姜黄素对海南屯昌猪生长性能、饲料养分表观消化率和血清生化指标的影响[J]. 中国畜牧兽医, 2023, 50(5): 1867-1875.

OUYANG Kun, WEI Limin, SUN Ruiping, XIE Yali, QI Qi, LI Xiang, LIU Quanwei, CHAO Zhe, ZHANG Yongliang, CHEN Ting. Effects of Curcumin on Growth Performance,Feed Apparent Digestibility and Serum Biochemical Indexes in Hainan Tunchang Pigs[J]. China Animal Husbandry and Veterinary Medicine, 2023, 50(5): 1867-1875.

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