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Articles by S.O. Salami
Total Records ( 6 ) for S.O. Salami
  B.I. Onyeanusi , M.H. Sulaiman , S.O. Salami , S.M. Maidawa , A.D. Umosen , O. Byanet , J.O. Nzalak , M.N. Ali and J. Imam
  From day one to day nine of embryonic development, no ossification centre was observed in the embryo. Small centres of ossification were seen on the 10th day at some locations like the cervical vertebrae, thoracic vertebrae, clavicle, coracoid, scapula, humerus, radius and ulna. Other areas with centres of ossification on this day included the ilium, pubis, femur and fibular. By day 12, these centres of ossification were very prominent at the points seen on day 10 and in addition, the Ischium had ossification centre. By day 13, ossification centres showed up in lumbosacral vertebrae, radius ulna, ulnacarpal and carpometacarpal joints, metatarsus, tibiotarsus, patella, first phalanx of digit ii and second phalanx of digit iii. Between days 15 and 16, additional ossification centres were observed at coccygeal vertebrae, digits ii, iii and iv of pectoral limb. By day 21, ossification centre appeared on the pygostyle and by days 23 and 24, the right and left clavicles had joined together although not properly fused.
  C.S. Ibe , B.I. Onyeanusi , S.O. Salami , A.D. Umosen and S.M. Maidawa
  Morphometric and macroscopic studies were carried out on the respiratory system of the West African guinea fowl (WAGF). The gross anatomical study revealed that the laryngeal mound of the guinea fowl was roughly triangular in shape extending rostrally from the base of the skull and continues caudally as the trachea. It had only one row of caudally pointing papillae. The larger cartilaginous rings of the trachea bifurcated at the ventrum while the smaller cartilaginous rings did not bifurcate. The investigation also revealed that the lung of the adult guinea fowl had the shape of a trapezium. The morphometric result obtained revealed that the mean ( ± SE) life weights of the male and female adult guinea fowls were 1.357kg and 1.225kg, respectively. The mean ( ± SE) weights of the respiratory system were 9.638g and 8.500g for male and female birds respectively. The mean ( ± SE) lengths from the thoracic inlet to the tracheal bifurcation for male and female birds were 3.26cm and 4.40cm, respectively. The male guinea fowl was significantly heavier (p < 0.05) than the female, but there was no significant difference (p > 0.05) in the mean weights of the respiratory system of the male and female birds. The analysis also showed that the length of the thoracic inlet to tracheal bifurcation for female adult guinea fowl was significantly longer (p < 0.05) than that of the male bird.
  A.D. Umosen , B.I. Onyeanusi , S.O. Salami , J.O. Nzalak , J. Imam and C.S. Ibe
  Morphological study on the wattles of forty adult male and female (20 each) helmeted guinea fowls weighing between 0.86-1.40kg was undertaken for sexing the birds. The birds were bought from local markets in Zaria. The shape, size and disposition of the wattle were studied grossly. The wattles of helmeted guinea fowl were found to be similar in structure for both sexes but the main difference was the wattle shape, size and angle of inclination in the upper jaw. The differences in the shape and size observed in wattles of heavier adult males were that they appeared elongated, large and folded upwards at their margins. The wattles of the adult males were also observed to be inclined at an angle to the axis of the upper jaw when compared to those of the females. This observation was confirmed in all the birds selected as males and females after slaughter and dissection. It is concluded that a guinea fowl weighing between 0.95-1.40kg with wattle inclined at an angle to the attachment in the upper jaw with upward folded margin is a male guinea fowl.
  M.H. Sulaiman , D.M. Aduta and S.O. Salami
  Twelve blood samples were obtained from four male and eight female adult Muscovy ducks which were raised semi-intensively. The total and differential blood counts as well as study of the blood cellular characteristics were carried out in this study. We report herein that the male Muscovy ducks had a higher average erythrocyte count (2.5 x 106/mm3) than the female Muscovy ducks (2.20 x 106/mm3). The Muscovy ducks average erythrocyte counts were lower than the average counts reported for temperate breed of ducks but higher than those reported for Nigerian domestic chicken. No significant differences in the average total leucocyte count between the male and female Muscovy ducks was observed. The average total leucocytes count for the Muscovy ducks were higher than those reported for the temperate breeds of ducks and the Nigerian domestic chicken. Higher average lymphocyte count was recorded for the male Muscovy ducks (72.75%) than the female Muscovy ducts (61.37%) while a lower basophil average counts was recorded for the male Muscovy ducks (0.75%) than the female Muscovy ducks (1.5%). The esinophils had a diverse number of lobulation on their nucleus and spherical intracytoplasmic granules while the heterophils had an irregular cellular outline and a spindle shaped intracytoplasmic granules. Taken together, to the best of our knowledge, this is the first comparative study of the blood cellular composition in Muscovy ducks in Nigeria.
  C.S. Ibe , B.I. Onyeanusi , S.O. Salami , I.E. Ajayi and J.O. Nzalak
  African giant pouched rats are currently explored as laboratory model of haematological investigations but few detailed anatomical descriptions have been made of their spleen, limiting their use for such biomedical research. We studied the architecture of the spleen in six adult and clinically healthy African giant pouched rats by gross observation and light microscopy. The spleen was a long slipper-shaped and dorso-ventrally flattened organ lying on the left lateral surface of the abdominal cavity, medial to the lateral abdominal wall and lateral to the greater curvature of the stomach. Statistical analysis showed an average spleen weight of 3.31 g (±0.54) and length of 6.44 mm (±0.48). The spleen constituted 0.313% of the body weight and 2.069% of the nose-rump length. There was a very strong positive correlation between body weight and spleen weight (r = 0.958).
  I.E. Ajayi , S.A. Ojo , B.I. Onyeanusi , B.D.J. George , J.O. Ayo , S.O. Salami and C.S. Ibe
  The study was carried out to elucidate on the macroscopic structure of the medulla oblongata of the grasscutter. A total of ten matured, apparently, healthy African grasscutters were used to investigate the morphologic and morphometric features of the medulla oblongata. The mean body weight and brain weight were 2600±194.95 g and 12.15±0.48 g, respectively. The ratio of the brain to body weight was approximately 1:214. The mean weight of the medulla oblongata was found to be 1.104±0.10 g and this accounted for about 9% of the total brain weight. The mean lengths of the whole brain and medulla oblongata were 4.945±0.091 and 1.376±0.082 cm, respectively. The gross anatomical features of the medulla oblongata were typical of that observed in terrestrial mammals however slight structural differences were observed.
 
 
 
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