重组猪表皮生长因子对早期断奶仔猪生长性能的影响  

Effects of Recombinant Porcine Epidermal Growth Factor on Growth Performance of Early-Weaner Piglets

作　　者：王勇飞 段叶辉[2] 夏连喜 陈福华 

机构地区：[1]双胞胎(集团)股份有限公司,南昌330096 [2]中国科学院亚热带农业生态研究所,中国科学院亚热带农业生态过程重点实验室,湖南省畜禽健康养殖工程技术中心,农业部中南动物营养与饲料科学观测实验站,长沙410125 [3]赛法特(长沙)生物技术有限公司,长沙410331 [4]湖南省兽药饲料监察所,长沙410006

出　　处：《动物营养学报》2014年第12期3787-3792,共6页CHINESE JOURNAL OF ANIMAL NUTRITION

基　　金：国家自然科学基金项目(31330075);南昌市重大产业化项目(2013ZDXM015)

摘　　要：本试验旨在研究重组猪表皮生长因子(porcine epidermal growth factor,p EGF)对早期断奶仔猪生长性能的影响。选用21日龄断奶三元杂交(杜×长×大)健康仔猪160头,按体重相近、性别比例相同原则随机分成4组,即高档教槽料+500μg/kg p EGF组(GE组)、高档教槽料对照组(GD组)、中档教槽料+500μg/kg p EGF组(ZE组)、中档教槽料对照组(ZD组),每组4个重复,每个重复10头仔猪。试验期为10 d。结果表明:1)GE组平均日增重显著高于GD组(P<0.05),比GD组提高了6.29%;ZE组平均日增重极显著高于ZD组(P<0.01),比ZD组提高了17.08%;2)GE组平均日采食量与GD组无显著差异(P>0.05),ZE组平均日采食量显著高于ZD组(P<0.05),比ZD组提高了4.91%;3)GE组料重比显著低于GD组(P<0.05),比GD组降低了4.31%;ZE组料重比显著低于ZD组(P<0.05),比ZD组降低了10.37%;4)GE组腹泻率比GD组降低了57.14%;ZE组腹泻率比ZD组降低了38.46%。由此可见,饲粮添加p EGF提高了饲料转化率,降低了料重比和腹泻率,从而显著改善断奶仔猪生长性能,降低增重成本。This experiment was conducted to investigate the effects of recombinant porcine epidermal growth factor （ pEGF） on growth performance of early-weaner piglets. One hundred and sixty healthy weaner piglets （ Large×White×Landrace） at 21 days of age were randomly allocated to 4 groups （ 4 replicates per group and 10 piglets per replicate）：high grade creep feed＋500μg/kg pEGF （ GE） group, high grade creep feed control （ GD） group, median grade creep feed＋500 μg/kg pEGF （ ZE ） group, median grade creep feed control （ ZD） group. The trial lasted for 10 days. The results showed as follows：1） compared with GD group, aver-age daily gain （ ADG） in GE group was significantly increased by 6. 29% （ P〈0. 05）; compared with ZD group, ADG in ZE group was significantly increased by 17.08% （P〈0.01）. 2） Average daily feed intake （ ADFI） was no significant difference between groups GE and GD （ P〉0.05）;compared with ZD group, AD-FI in ZE group was significantly increased by 4.91% （ P〈0.05） . 3） Compared with GD group, feed/gain （ F/G） in GE group was significantly reduced by 4.31% （ P〈0.05）;compared with ZD group, F/G in ZE group was significantly reduced by 10.37% （ P〈0.05） . 4） Compared with GD group, diarrhea rate in GE group was reduced by 57.14%; compared with ZD group, diarrhea rate in ZE group was reduced by 38.46%. It is con-cluded that adding pEGF in the diets can improve feed conversion ratio, and reduce F/G and diarrhea rate, which improving growth performance and reducing weight gain cost.

关 键 词：重组猪表皮生长因子 早期断奶仔猪 生长性能 

分 类 号：S828[农业科学—畜牧学]