IMMUNOGENICITY OF HAEMOPHILUS-PARAGALLINARUM SEROVAR-B STRAINS

被引:32
作者
YAMAGUCHI, T [1 ]
BLACKALL, PJ [1 ]
TAKIGAMI, S [1 ]
IRITANI, Y [1 ]
HAYASHI, Y [1 ]
机构
[1] QUEENSLAND DEPT PRIMARY IND, ANIM RES INST, YEERONGPILLY, QLD 4105, AUSTRALIA
关键词
D O I
10.2307/1591636
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
Immunogenicity of three Haemophilus paragallinarum serovar B strains was investigated in cross-protection tests using monovalent vaccines prepared from the B strains, as well as one strain each of serovars A and C. A bivalent vaccine composed of the serovar A and C strains also was used. In the studies with the monovalent vaccines, the immunogenicity of serovar B strains was different from that of serovar A and C strains, although only partial serovar B-specific protection with the three strains was observed. Chickens vaccinated with the bivalent vaccine protected against challenge with one serovar B strain, as well as serovar A and C strains, but not against the other two serovar B strains.
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收藏
页码:965 / 968
页数:4
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