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草业学报 ›› 2021, Vol. 30 ›› Issue (6): 180-189.DOI: 10.11686/cyxb2020318

• 研究论文 • 上一篇    下一篇

花椰菜尾菜发酵饲料对保育猪生长性能、血清生化指标、小肠组织形态及经济效益的影响

蓝婧婷1(), 任瑞2, 周瑞1, 戴洪伟1, 舒文秀1, 朱凯1, 王略宇1, 徐红伟1(), 臧荣鑫1()   

  1. 1.西北民族大学生命科学与工程学院,甘肃 兰州 730100
    2.南江县农业农村局,四川 巴中 635600
  • 收稿日期:2020-07-06 修回日期:2020-09-10 出版日期:2021-05-21 发布日期:2021-05-21
  • 通讯作者: 徐红伟,臧荣鑫
  • 作者简介:rxzang2000@163.com
    E-mail: xuhongwei@xbmu.edu.cn
    蓝婧婷(1994-),女,广西河池人,在读硕士。E-mail: lanjingtqhd@163.com
  • 基金资助:
    甘肃省重点研发计划项目(18YF1GA118);甘肃省高等学校科研成果转化项目(2018-2);兰州市人才创新创业项目(2018-131);中央高校基本科研业务费专项资金项目(31920190048);中央高校研究生创新项目(Yxm017125)

Effects of feeding fermented cauliflower residue on growth performance, serum biochemical indices, intestinal tissue morphology and economic returns of nursery pigs

Jing-ting LAN1(), Rui REN2, Rui ZHOU1, Hong-wei DAI1, Wen-xiu SHU1, Kai ZHU1, Lue-yu WANG1, Hong-wei XU1(), Rong-xin ZANG1()   

  1. 1.College of Life Science and Engineering,Northwest Minzu University,Lanzhou 730100,China
    2.Agricultural and rural Bureau of Nanjiang County,Bazhong 635600,China
  • Received:2020-07-06 Revised:2020-09-10 Online:2021-05-21 Published:2021-05-21
  • Contact: Hong-wei XU,Rong-xin ZANG

摘要:

为研究花椰菜尾菜发酵饲料对保育猪生长性能、血清生化指标、小肠组织形态及经济效益的影响。选取42头体重相近(11.40±1.36) kg、体况良好的40日龄保育猪,随机分为两组,每组3个重复,每个重复7头。对照组饲喂基础饲粮,试验组饲喂由80%基础饲粮和20%花椰菜尾菜发酵饲料组成的试验饲粮。试验共30 d,其中预试期8 d,正试期22 d。结果表明:与对照组相比,1)试验组保育猪的平均日采食量和平均日增重分别显著提高了16.50%和18.68%(P<0.05),腹泻率显著降低了74.35%(P<0.05)。2)试验组保育猪十二指肠、空肠、盲肠、结肠和直肠食糜pH值分别显著降低了19.16%、11.59%、14.09%、15.95%和11.23%(P<0.05)。3)试验组血清尿素氮、白蛋白、免疫球蛋白M的含量显著升高了69.84%、5.22%、100%(P<0.05),血清总胆固醇、谷丙转氨酶的含量分别显著降低了29.43%、60.51%(P<0.05)。4)试验组保育猪的空肠绒毛高度/隐窝深度和回肠绒毛高度分别显著升高了13.64%和11.49%(P<0.05),空肠隐窝深度显著降低了9.56%(P<0.05)。5)试验组每头猪的增重收益、毛利润分别显著提高了30.84%和44.48%(P<0.05),饲料成本显著降低了21.58%(P<0.05)。综上所述,饲喂花椰菜尾菜发酵饲料能够降低保育猪的腹泻率,提高保育猪的生长性能,增强其免疫性能,促进肠道发育,提高经济效益。

关键词: 发酵饲料, 保育猪, 生长性能, 血清生化指标, 小肠组织形态

Abstract:

This study was conducted to investigate the effects of feeding fermented cauliflower residue on growth performance, serum biochemical indices, intestinal tissue morphology and economic returns of nursery pigs. A total of 42 nursery pigs aged 40 days with similar body weight (11.40±1.36) kg and good body condition were randomly allocated to two treatment groups (Control, 20% fermented cauliflower, FC), with three replicates per treatment group and seven pigs per replicate. The experiment duration was 30 d, including 8 d pre-test and 22 d of testing. Pigs in the Control treatment group were fed a basal diet and pigs in the experimental group were fed the basal diet (80%) and fermented cauliflower residue (20%). It was found that, compared with the Control treatment group: 1) The average daily feed intake and average daily gain in the FC group were significantly increased by 16.50% and 18.68% (P<0.05), respectively, while the occurrence of diarrhea was reduced by 74.35% (P<0.05). 2) The pH of chyme in duodenum, jejunum, cecum, colon and rectum of cultured pigs in experimental group was significantly decreased by 19.16%, 11.59%, 14.09%, 15.95% and 11.23%, respectively (P<0.05). 3) The serum urea, globulin and immunoglobulin-M in the experimental group were increased (P<0.05) by 69.84%, 5.22% and 100%, respectively, while serum total cholesterol and alanine aminotransferase in the experimental group were significantly reduced (P<0.05) by 29.43% and 60.51%, respectively. 4) The villus height/crypt depth for the jejunum and villus height in the ileum in the experimental group were increased (P<0.05) by 13.64% and 11.49% respectively, while the crypt depth of the jejunum in the experimental group was decreased (P<0.05) by 9.56%. 5) The body weight gain and gross profit per pig in the experimental group were increased (P<0.05) by 30.84% and 44.48%, respectively, while the feed cost in the experimental group was decreased (P<0.05) by 21.58%. In conclusion, feeding of fermented cauliflower residue decreased the occurrence of diarrhea in nursery pigs, improved growth performance, enhanced immune function, promoted intestinal development, and improved the economic returns of nursery pigs.

Key words: fermented feed, nursery pigs, growth performance, serum biochemical indices, intestinal tissue morphology