Effect of TCM on Growth and Immune-response to Hog Cholera Vaccine of Weaned Piglets Carrying Naturally Acquired Porcine Circovirus Type 2
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摘要: 探讨中药对自然感染猪圆环病毒2型 (PCV2) 仔猪生长性能和猪瘟疫苗免疫应答的影响, 结果显示:1%中药组、1.5%中药组、2.0%中药组的日增重分别比对照组提高30.40% (P<0.05) 、28.88% (P<0.05) 和31.06% (P<0.05) , 饲料转化率分别比对照组提高2.02%、7.25%和10.26%, 日采食量分别比对照组提高26.23%、14.75%和9.84%, 猪瘟抗体阻断率分别比对照组提高9.57%、18.27%和30.93% (P<0.05) , 猪瘟抗体阳性率均大于70%, 1.5%中药组、2.0%中药组的猪瘟抗体变异系数均小于40%。表明自拟中药方剂可较好地控制PCV2, 提高仔猪生长性能和增强猪瘟疫苗免疫应答, 且以2%中药组效果最好。
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关键词:
- 中药方剂 /
- 猪圆环病毒2型(PCV2) /
- 断奶仔猪生长性能 /
- 猪瘟疫苗免疫应答
Abstract: A traditional Chinese medicine (TCM) was formulated to study its effect on the growth and immuneresponse to the hog cholera vaccine of the piglets.The results showed that, as compared with Control, the daily weight gains of the piglets in Group A, B and C increased by 30.40% (P<0.05) , 28.88% (P<0.05) and 31.06% (P<0.05) , respectively;the feed conversion ratios increased by 2.02%, 7.25% and 10.26%, respectively;the daily feed intakes increased by 26.23%, 14.75% and 9.84%, respectively;and, the rates of blocking the classic swine fever antibody increased by 9.57%, 18.27% and 30.93% (P<0.05) , respectively.The rates of positive classic swine fever antibody in all three treatment groups were greater than 70%, and the variation coefficients of Group B and C were lower than 40%.It appeared that the TCM used had a measurable effect on PCV2infection, piglet growth, as well as the piglet's immune-response to the hog cholera vaccine.Insofar as TCM dosage is concerned, the best result was obtained on Group C that had a 2%addition on its feed.-
Key words:
- traditional Chinese medicine /
- PCV2 /
- weaned piglets /
- growth performance
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