绞股蓝提取物对育肥猪生长性能、血清指标及肉品质的影响  

Effects of Gynostemma Pentaphyllum Extract on Growth Performance,Serum Indexes and Meat Quality of Finishing Pigs

作　　者：杨晓 梁孙圳 谢欣欣 马晓婉 肖丽林 李少旭 张磊[1] 王水莲[1] YANG xiao;LIANG Sunzhen;XIE Xinxin;MA Xiaowan;XIAO Lilin;LI Shaoxu;ZHANG Lei;WANG Shuilian(College of Veterinary Medicine,Hunan Agricultural University,Changsha 410128,China)

机构地区：[1]湖南农业大学动物医学院,湖南长沙410128

出　　处：《青岛农业大学学报(自然科学版)》2024年第4期259-265,共7页Journal of Qingdao Agricultural University(Natural Science)

基　　金：国家重点研发计划(2017YFD0502005);湖南省重点研发计划(2022NK2024);湖南省科技特派员服务乡村振兴项目(2022NK4152)。

摘　　要：本试验旨在研究绞股蓝(Gynostemma pentaphyllum)提取物对育肥猪生长性能、血清生化、免疫、抗氧化性能及肉品质的影响。试验选取120日龄左右、健康状况良好且体重50.26±0.86kg相近的“杜×长×大”育肥猪36头,随机分为对照组、试验Ⅰ组(组Ⅰ)、试验Ⅱ组(组Ⅱ),每组12头猪(公母各占1/2)。预饲期7 d,饲喂基础饲粮;正式试验期60 d,对照组饲喂基础饲粮,组Ⅰ、组Ⅱ在基础饲粮中分别添加200 mg/kg、400 mg/kg绞股蓝提取物。结果表明,不同水平绞股蓝提取物组间平均日增重、平均日采食量、料重比差异不显著(P>0.05)。试验第30天,与对照组相比,组Ⅱ血清谷草转氨酶(aspartate aminotransferase,AST)含量显著降低(P<0.05),组Ⅰ血清免疫球蛋白A(serum immunoglobulin A,IgA)、免疫球蛋白G(immunoglobulin G,IgG)和过氧化氢酶(catalase,CAT)活性显著提高(P<0.05),组Ⅱ免疫球蛋白M(immunoglobulin M,IgM)水平显著提高(P<0.05)。试验第60天,与对照组相比,组Ⅰ血清肌酐(creatinine,CREA)、谷丙转氨酶(alanine aminotransferase,ALT)、AST含量显著降低(P<0.05),组Ⅰ血清高密度脂蛋白(HDL-C)含量和CAT活性显著提高(P<0.05),组Ⅰ和组Ⅱ血清丙二醛(malondialdehyde,MDA)浓度均显著降低(P<0.05),组Ⅰ育肥猪背最长肌pH 24 h、亮度(brightness,L^(*))、红度(redness,a^(*))和黄度(yellowness,b^(*))值显著高于对照组(P<0.05)。综上所述,育肥猪养殖中使用绞股蓝提取物可改善部分血清生化指标,增强免疫能力和抗氧化性能,提高肉品质。在本试验条件下,建议绞股蓝提取物在育肥猪饲粮中的适宜添加量为200 mg/kg。This experiment aimed to investigate the effects of Gynostemma pentaphyllum extract on growth performance,serum biochemical indexes,immune function,antioxidant performance,and meat quality in finishing pigs.Thirty-six"Duroc×Large White×Landrace"finishing pigs around 120 days of age,in good health and with similar body weights 50.26±0.86kg,were randomly divided into the control group,the test group I(Group I),and the test group II(Group II),with 12 pigs in each group(half male and half female).In the pre-feeding period of 7 d,the basal diet was fed,and in the formal experimental period of 60 d,the control group was fed the basal diet,while groups I and II were supplemented with 200 mg/kg and 400 mg/kg of G.pentaphyllum extract in the basal diet,respectively.The results showed that there was no significant difference in ADG,ADFI and F/G between groups with different levels of G.pentaphyllum extract(P>0.05).On the 30th d of the test,compared with the control group,the serum aspartate aminotransferase(AST)content was significantly lower in group II(P<0.05),serum immunoglobulin A(IgA),immunoglobulin G(IgG)levels and catalase(CAT)activity were significantly higher in group I(P<0.05),and immunoglobulin M(IgM)level in group II were significantly higher(P<0.05).On the 60th d of the test,compared with the control group,serum creatinine(CREA),alanine aminotransferase(ALT),and AST concentrations were significantly lower in Group I(P<0.05),serum high-density lipoprotein(HDL-C)content and CAT activity were significantly higher in Group I(P<0.05),serum malondialdehyde(MDA)concentration were significantly lower in both Group I and Group II(P<0.05),and dorsal longest muscle pH24 h,brightness(L^(*)),redness(a*)and yellowness(b^(*))values were significantly higher in the group I than those of the control group(P<0.05).In conclusion,after using appropriate amounts of G.pentaphyllum extract in finishing pig farming,some serum biochemical parameters were improved,humoral immune functions were enhanced,antioxidant properties were in

关 键 词：绞股蓝提取物 育肥猪 血清生化指标 免疫力功能 抗氧化性能 肉品质 

分 类 号：S828.5[农业科学—畜牧学]