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Articles by S.J. Sambo
Total Records ( 4 ) for S.J. Sambo
  S.J. Sambo , N.D.G. Ibrahim , K.A.N. Esievo , J.O. Hambolu , S.B. Oladele , A.K.B. Sackey and S.M. Makoshi
  A total of 518 cattle were examined and sampled at Zaria abattoir from November, 2001 to October, 2002. Skin specimens obtained after slaughter from the neck region were fixed in 10% buffered neutral formalin, processed, sectioned at 5 Ám thickness and stained with Haematoxylin and Eosin (H and E) technique. At ante mortem examination 5(2.5%) of the cattle were found with gross lesions of besnoitiosis, 103 (19.8%) were diagnosed with dermatophilosis and 50 (9.7%) with tick infestation. Twenty-nine (29, 5.6%) cattle had both dermatophilosis and tick infestation. Histopathological examination confirmed that the 5 cattle clinically diagnosed with besnoitiosis really had cysts of B. besnoiti in skin sections. Four (4, 2.1%) additional cattle had similar cysts in their skin sections although they had no clinical signs of besnoitiosis. Three (3, 1.5%) of these had gross lesions of dermatophilosis and 1 (0.2%) had ticks on the body. Microscopic examination of crusts from the skin specimens confirmed the presence of filaments of D. congolensis. It was concluded that some cases of besnoitiosis may pass unnoticed at clinical examination where the skins are severely affected with dermatophilosis.
  S.J. Sambo , N.D.G. Ibrahim , K.A.N. Esievo , J.O. Hambolu , M.S. Makoshi and L.B. Tekdek
  A total of 226 goats were carefully examined during a survey to determine the prevalence of besnoitiosis in Kaduna State, Nigeria. At ante mortem examination no signs of besnoitiosis were observed in any of the goats and no gross lesions of the disease occurred on their skins examined, after slaughter, at Anchau, Giwa and Soba slaughter slabs. Skin specimens were obtained from the neck area after the postmortem inspection and preserved in 10% buffered neutral formalin. Microscopic examination of Haematoxylin and Eosin stained sections, of 145 of the skin specimens which were processed, revealed an intradermal aggregation of Besnoitia cysts in a Kano-brown doe. The intact cysts stimulated no inflammatory reactions but those with degenerated cyst-walls initiated infiltration of mononuclear cells to the site. All sections from the remaining 144 specimens were negative of the disease. An incidence of 0.7% was recorded for caprine besnoitiosis in Kaduna State, Northern Nigeria.
  S. Adamu , I.T. Adebayo , N.M. Useh , M. Bisalla , S.J. Sambo and K.A.N. Esievo
  In a study to determine the occurrence evidences of impairment of kidney function in cattle, urine specimens were collected from 135 emaciated cattle, made up of 70 bulls and 65 cows and analyzed chemically for urinary constituents using reagents strip. Results obtained indicated that abnormal values of pH, glucose, bilirubin, specific gravity, erythrocyte, protein, Urobilinogen, nitrite, leukocyte and ketones occurred at prevalence rates of 10.4, 3.7, 15.6, 27.4, 11.1, 30.4, 1.5, 14.1, 13.3 and 20%, respectively. Abnormal values of these parameters were found to occur more in the males than in females except for values of glucose, specific gravity and ketones in which the reverse was the case. It was recommended from this study, that since the abnormal values of most of the constituents evaluated in the urine of these animals were suggestive of the existence of disorders that could impair with renal function, an in-depth study to identify the specific disorders and their aetiologic factors be conducted so that effective control and preventive measures could be designed and effected to curtail the menace of the diseases in cattle livestock.
  S.J. Sambo , N.D.G. Ibrahim , H.M. Kazeem , S. Adamu , P.H. Mammam and M.N. Ali
  Thirty-five adults clinically healthy African giant rats captured around Zaria were purchased for examination between April to August, 2006. Each rat was euthanized with chloroform and postmortem examination was conducted on them. Subsequently, a liver specimen was obtained from each rat and fixed in 10% buffered neutral formalin. They were later processed, sectioned at 5 Ám thickness, stained with Haematoxylin and Eosin (H and E) technique and the slides were examined using the light microscope (Olympus®). Photomicrographs were taken with the Deluxe® photomicroscope (x40 0bjective). Twenty-five (71.4%) of the rats had normal livers grossly, while 10 (28.6%) exhibited gross changes. There were whitish and grayish patchy areas of necrosis in 5 (14.3%), fatty change in 2 (5.7%) and slight congestion in 3 (8.6%) livers from the rats. Light microscopy revealed ova of Capillaria hepatica within the parenchyma of the livers from 2 (5.7%) of the rats which had hepatic necrosis grossly. The ova were predominantly immature, while few matured ones had the typical bipolar nature of ova of Capillaria sp. The preponderance of these ova distorted the parenchyma and compressed the hepatic cells in the affected areas. Mild fatty degeneration was observed in close association to the ova and elsewhere within unaffected portions of the hepatic parenchyma. The consumption of African giant rats may lead to human cases of capillariosis if not properly cooked or roasted.
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