Effects of Adding Different Rations of Qianjinqiao San on Feeding Performance of Finishing Pigs

doi:10.15933/j.cnki.1004-3268.2024.12.016

Abstract

Abstract: This study aimed to investigate the effects of Fagopyrum dibotrys Qian Zhong extract（Qianjinqiao San） on growth performance，carcass traits，meat quality，blood biochemical indexes，antioxidant indexes and immune indexes of finishing pigs，and to explore its application effect on finishing pigs. A total of 24 fattening pigs with similar body weights（Duroc×Landrace×Large White）were randomly divided into 4 groups with 3 replicates per group and 2 pigs per replicate.The control group（R1）was fed a farage‑based diet，and pigs in the experimental groups（R2，R3 and R4）were fed the basal diet supplemented with 0.3%，0.6% and 1.2% Qianjinqiao San.The experiment lasted for 70 days.The results indicated that compared to the R1 group，there were no significant differences in average daily gain（ADG），average daily feed intake（ADFI），and feed‑to‑gain ratio（F/G）among finishing pigs in groups R2，R3，and R4（P>0.05）.Furthermore，the contents of umami amino acids，saturated fatty acids，monounsaturated fatty acids in muscle tissues across different groups did not show significant variation either（P>0.05）；the amount of total polyunsaturated fatty acids in R3 group were significantly reduced（P<0.05）.There were no significant difference in the slaughter rate，backfat thickness，pH_1h，pH_24h，eye muscle area，cooked meat yield，and intramuscular fat content among the different proportion groups of Qianjinqiao San（P>0. 05）.In comparison to the R1 group，blood urea nitrogen levels（BUN）in the R2 group was significantly lower（P<0.05）.Moreover，serum activities of catalase（CAT）and total antioxidant capacity（T‑AOC）were significantly increased in both the R3 and R4 groups（P<0. 05）；additionally superoxide dismutase（SOD）activity levels increased by approximately 8. 04%，2. 66% and 9. 91% respectively across groups R2，R3，and R4（P>0.05）. The contents of immunoglobulin A（IgA），immunoglobulin G（IgG），immunoglobulin M（IgM）in the serum of R3 and R4 groups were significantly increased（P<0. 05）；the levels of interferon‑γ（IFN‑γ）in all test groups were higher than those in the control group，with R2 group showing the most significant increase of 37.43%（P<0. 05）.In conclusion，the supplementation of Qianjinqiao San at concentrations ranging from 0.3% to 1.2% during the late fattening period does not significantly impact growth performance，carcass characteristics，or meat quality. However，it can enhance serum antioxidant capacity and improve body immunity to a certain extent.

Key words: Finishing pig, Qianjinqiao San, Growth performance, Meat quality, Immune index, Functional feed additives

摘要： 研究饲粮中添加黔中金荞麦块根提取物（黔金荞散）对育肥后期猪生长性能、胴体性状和肉品质、血液生化指标、抗氧化指标及免疫指标的影响，探讨其在育肥猪上的应用效果。选取24头体质量相近的外三元育肥猪（杜×长×大），随机分为4组，每组3个重复，每个重复2头猪。对照组R1饲喂猪场基础饲粮，试验组R2、R3、R4组分别在基础饲粮中添加0.3%、0.6%、1.2%黔金荞散，试验期为70 d。结果表明，与R1组相比，R2、R3、R4各组育肥后期猪平均日增质量（ADG）、平均日采食量（ADFI）和料重比（F/G）无显著性差异（P>0.05）。与R1组相比，各试验组肌肉中呈味氨基酸、饱和脂肪酸总量、单不饱和脂肪酸总量均无显著差异（P>0.05），R3组中多不饱和脂肪酸总量显著降低（P<0.05）。不同比例黔金荞散对屠宰率、背膘厚、pH_1h、pH_24h、眼肌面积、熟肉率及肌内脂肪指标均无显著影响（P>0.05）。与R1组相比，R2组尿素氮（BUN）显著降低（P<0.05）；R3、R4组血清中过氧化氢酶（CAT）活性和总抗氧化能力（T-AOC）显著提高（P<0.05）；R2、R3、R4组超氧化物歧化酶（SOD）活性分别提高8.04%、2.66%和9.91%（P>0.05）。与R1组相比，R3、R4组血清中免疫球蛋白A（IgA）、免疫球蛋白G（IgG）、免疫球蛋白M（IgM）含量均显著提高（P<0.05）；各试验组干扰素-γ（IFN-γ）均高于R1组，其中R2组最大，显著提高37.43%（P<0.05）。综上，在育肥后期猪饲粮中添加0.3%~1.2%的黔金荞散对其生长性能、胴体性状及肉品质无显著影响，能一定程度上提高血清抗氧化能力，增强机体免疫力。

关键词: 育肥猪, 黔金荞散, 生长性能, 肉品质, 免疫指标, 功能性饲料添加剂

CLC Number:

ZHANG Tao, TANG Yuanjiang, TAO Xiaoyan, LU Yuxi, ZHOU Sixuan, DU Chunlin, ZHANG Xiong, ZHANG Jing, TAN Ya, YANG Yueqian. Effects of Adding Different Rations of Qianjinqiao San on Feeding Performance of Finishing Pigs[J]. Journal of Henan Agricultural Sciences, 2024, 53(12): 159-166.

张涛, 唐远江, 陶小艳, 卢昱希, 周思旋, 杜春林, 张雄, 张静, 谭娅, 杨粤黔. 添加不同比例黔金荞散对育肥猪饲喂效果的影响[J]. 河南农业科学, 2024, 53(12): 159-166.

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