IMMUNOSUPPRESSION AND HISTOPATHOLOGICAL CHANGES IN THE BURSA OF FABRICIUS ASSOCIATED WITH INFECTIOUS BURSAL DISEASE VACCINATION IN CHICKEN

被引:6
作者
EZEOKOLI, CD
ITYONDO, EA
NWANNENNA, AI
UMOH, JU
机构
[1] Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria
关键词
INFECTIOUS BURSAL DISEASE; GUMBORO DISEASE; VACCINATION; IMMUNOSUPPRESSION; BURSAL DAMAGE; VIRUS; NEWCASTLE DISEASE;
D O I
10.1016/0147-9571(90)90086-9
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 [免疫学];
摘要
The effect of the infectious bursal disease (IBD) live virus vaccine on the immune response of chicken was evaluated by the assessment of antibody response following vaccination as well as resistance to challenge with virulent virus. Birds were vaccinated at various ages and later challenged with a heterologous vaccine (NDV) or wild-type IBD virus. The BF was examined for histological changes at regular intervals. Antibody levels to NDV were monitored. Significantly higher mortality rates were observed in birds vaccinated with IBD vaccine than unvaccinated birds (P < 0.01) following challenge, BF from vaccinated birds showed marked lymphocyte depletion and cellular infiltration with mononuclear cells. Intraocular NDV (NDV-i/o) vaccine given at day old largely prevented the immunodepressive effect of IBD vaccination on NDV vaccine. Groups that received IBD vaccine on day 14 but no NDV i/o suffered higher mortality (41.2%) and showed lower antibody response than those vaccinated on day 1 (0%) or controls which did not receive IBDV (11.8%).
引用
收藏
页码:181 / 188
页数:8
相关论文
共 16 条
[1]
ABDU P, 1985, THESIS AHMADU BELLO
[2]
ABDU PA, 1987, ZARIYA VET, V2, P58
[3]
AN APPARENTLY NEW DISEASE OF CHICKENS - AVIAN NEPHROSIS [J].
COSGROVE, AS .
AVIAN DISEASES, 1962, 6 (03) :385-&
[4]
EVALUATION OF A VACCINE AGAINST INFECTIOUS BURSAL DISEASE IN FIELD TRIALS [J].
CURSIEFEN, D ;
VIELITZ, E ;
LANDGRAF, H ;
BECHT, H .
AVIAN PATHOLOGY, 1979, 8 (04) :341-351
[5]
EZEOKOLI C D, 1985, Journal of Animal Production Research, V5, P85
[6]
IMMUNOSUPPRESSIVE EFFECT OF INFECTIOUS BURSAL AGENT ON VACCINATION AGAINST NEWCASTLE-DISEASE [J].
FARAGHER, JT ;
ALLAN, WH ;
WYETH, PJ .
VETERINARY RECORD, 1974, 95 (17) :385-388
[8]
LUCKERT PO, 1975, AM J VET RES, V436, P539
[9]
IMMUNODEPRESSIVE EFFECT OF INFECTIOUS BURSAL AGENT ON VACCINATION AGAINST NEWCASTLE-DISEASE [J].
MEULEMANS, G ;
HALEN, P ;
VINDEVOGEL, H ;
GOUFFAUX, M .
RESEARCH IN VETERINARY SCIENCE, 1977, 22 (02) :222-224
[10]
COMPARISON OF 2 INFECTIOUS BURSAL DISEASE VACCINE STRAINS - EFFICACY AND POTENTIAL HAZARDS IN SUSCEPTIBLE AND MATERNALLY IMMUNE BIRDS [J].
MUSKETT, JC ;
HOPKINS, IG ;
EDWARDS, KR ;
THORNTON, DH .
VETERINARY RECORD, 1979, 104 (15) :332-334