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Articles by A.A. Yerima
Total Records ( 1 ) for A.A. Yerima
  M.B. Abubakar , A.D. El-Yuguda , A.A. Yerima and S.S. Baba
  The prevalence of Egg Drop Syndrome 1976 (EDS`76) virus antibody among various species of village poultry in north-eastern Nigeria was determined using Haemagglutination Inhibition (HI) test. These species included: chickens, ducks, guinea-fowls, turkeys and quails. The birds had no history of vaccination against the EDS`76. The results of the antibody survey showed that active and passive HI antibodies to EDS`76 viruses were prevalent in the sera and embryonated eggs of the different species of village poultry. Antibody prevalence against the virus was noted as follows: chicken sera (1.4%), chicken embryonated eggs (17.7%), guinea fowl sera (22%), guinea fowl embryonated eggs (25.2%), duck sera (42%), duck embryonated eggs (78%), turkey sera (85.7%) and quails sera (3.7%) none of the quails embryonated eggs had antibody to EDS`76. Of the 376 sera and 328 embryonated eggs tested an overall prevalence of 52/323 (16%) and 75/328 (23%) were recorded respectively. Majority of the positive sera and embryonated eggs tested 37/52 (77%) and 44/75 (57%) reacted to high titres ≥1:20 and ≥1:4, respectively indicating considerable activity of the virus among village poultry in the study area. It is suggested that in apparent infections with the virus could be one of the factors responsible for the low egg production usually observed in village poultry.
 
 
 
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