文献类型： 外文期刊
作者： Shu, D. M. 2 ; Qin, J. P. 3 ; Ma, X. Y. 2 ; Xue, C. Y. 1 ; Liu, J. Z. 3 ; Bi, Y. Z. 3 ; Cao, Y. C. 1 ;
作者机构： 1.Sun Yat Sen Univ, State Key Lab Biocontrol, Sch Life Sci, Guangzhou 510006, Peoples R China
2.Guangdong Acad Agr Sci, Inst Anim Sci, Guangzhou 510640, Peoples R China
3.S China Agr Univ, Coll Anim Sci, Guangzhou 510642, Peoples R China
关键词： body weight gain;feed intake;animal growth
期刊名称：FOOD AND AGRICULTURAL IMMUNOLOGY （ 影响因子：3.101； 五年影响因子：2.573 ）
ISSN：
年卷期：
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收录情况： SCI
摘要： The purpose of this study was to determine the effect of active or passive immunisation against cholecystokinin (CCK) peptide on feed intake and body weight gain in pigs. For active immunisation, recombinant CCK-33 concatenate polypeptide was employed to immunise pigs, while passive immunisation was achieved by egg powders containing CCK-specific antibodies from laying hens that were immunised with recombinant CCK-33 peptide. Enzyme-linked immunosorbent assay showed that the active immunised pigs had significantly higher levels of CCK antibodies in serum than the control ones (p0.05). Actively or passively immunised pigs had significantly higher body weight, average daily gain and average daily feed intake than that of the control ones (p0.05). The results suggest that active or passive immunisation against CCK-33 peptide has stimulatory effects on growth of pigs. Thus, immunisation against CCK-33 may be used as an alternative way to enhance pig growth.
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