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Articles by S.S. Baba
Total Records ( 5 ) for S.S. Baba
  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.
  M.B. Abubakar , A.B. Sanda , A.D. EL-Yuguda and S.S. Baba
  M.B. Abubakar , A.B. Sanda , A.D. EL-Yuguda and S.S. Baba
  Retrospective survey for prevalence of Morbillivirus antibody was carried out in 400 camels slaughtered in Maiduguri municipal abattoir using Complement Fixation Test (CFT). The results of the retrospective study showed that complement fixing antibodies to Morbillivirus were prevalent in the slaughtered camels tested. An overall prevalence rate 154 (38.5%) of morbillvirus antibodies was found among the animals screened, 232 (58%) showed evidence of anti-complementary activities and 14 (3.5%) were negative. The survey of slaughtered camels in the municipal abattoir revealed increased camel importation during the months of April to May which coincided with the prolonged hot-dry season in the study area. The rainy season which coincided with the months of July to September is characterized by a decrease in the number of imported camels to Nigeria. It is therefore important that camels be included among the group of animals to be monitored for the activities of Morbillivirus like RPV/PPRV and to define their role in the epidemiology of the disease in Nigeria and elsewhere.
  O.J. Ibu , J.O.A. Okoye , E.P. Adulugba , K.F. Chah , S.V.O. Shoyinka , E. Salihu , A.A. Chukwuedo and S.S. Baba
  Newcastle disease (ND) is an acute rapidly spreading, contagious, nervous and respiratory disease of domestic and wild birds caused by the Avian Paramxyovirus 1, the Newcastle disease (ND) virus. ND is endemic in Nigeria. The reservoir status of wild and captive birds for ND virus in central Nigeria is assessed in this study. Cloacal swabs were taken from one hundred and sixty three birds caught from five Local Government Council areas of Plateau, Benue and Kaduna States in central Nigeria. A total of thirteen ND Viruses were isolated from the three States. Viz: 8 isolates from Plateau, 4 from Benue and 1 from Kaduna State. One hundred and fifty three of the birds sampled belonged to 30 avian species in 10 Orders while ten birds were unidentified. Only 7% of the species in three Orders yielded ND viruses. The 13 isolates were characterized using the Mean death time of the Minimum lethal dose (MTD/MLD); Intracerebral Pathogenicity index (ICPI) Intravenous Pathogenicity index (IVPI) and the Reverse transcriptase polymerase chain reaction (RT/PCR). The results show that 12 of the isolates were of the lento genic strain while 1 isolate belonged to the Merogenic strain. The implication of these findings on the poultry industry in the country is discussed.
  O.J. Ibu , J.O.A. Okoye , S.S. Baba , S.V.O. Soyinka , K.F. Chah , J. Antiabong , D. Eze , E.A. Salihu and S.B. Oladele
  The study was carried out to assess the Haemagglutinin thermostability of Newcastle disease virus isolates obtained from wild birds in three climatically distinct states in central Nigeria. Identification of heat stable ND virus isolates from the locality will provide environmentally friendly thermostable vaccine candidates for rural poultry. The 12 field virus isolates and the 5 vaccine virus strains showed variable degrees of heat stability. Three field isolates each was inactivated in 5 min, three in 10 min and one in 15 min. One isolate was inactivated in 20 min while two and three strains got inactivated in 25 and 30 min respectively. The most thermostable of the field isolates was inactivated in 40 min. A more thermostable clone was subsequently derived from the latter strain as a local vaccine candidate. For the vaccine strains, NDV (I/O) and NDV (K) were inactivated in 20 min while NDV (L) was inactivated in 25 min. The velogenic strain (Herts) was inactivated in 40 min. The two established thermostable strains, NDV4 and NDVI2 were inactivated in 90 min each. The thermostable profile of the field virus strains did not vary with the climatic background of the isolates.
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