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Articles by S.B. Abdu
Total Records ( 2 ) for S.B. Abdu
  G.N. Akpa , M.A. Galadima , A.I. Adeyinka , A.E.O. Malau-Aduli and S.B. Abdu
  This study was conducted to ascertain the relationship between Birth weight, Average Daily Gain (ADG) at 3, 6, 9 and 12 month of age and their first lactation milk yield in Friesian Friesian-Bunaji crossbred heifers. The effects of non-genetic factors such as season, parity and year of calving on the measured characteristics were also investigated. The average daily gains were computed from the monthly weight data. Other variable collected was milk production at first lactation. A total of 585 lactation records were used for the analysis. The average birth weight, ADG at 3, 6, 9 and 12 months and first lactation milk yield (FLMYD) were 26+0.4 kg, 0.39±0.03 kg, 0.43±0.05 kg, 0.4±0.4 kg and 945 kg. Average daily gains were significantly (p<0.05) affected by season of the year and the effect of calving year was highly significant (p<0.01). FLMYD was significantly affected by season (p<0.05) and calving year (p<0.01). There were positive genetic correlations between growth at 3, 6, 9 and 12 month and FLMYD. The environmental and phenotypic correlations between them were also positive. The heritability estimate was 0.21±0.09, 0.17±0.06, 0.17±0.08 and 0.13±0.01, for ADG at 3, 6, 9 and 12 months, respectively. The results of this study demonstrate that heifers with high genetic growth potentials would reach puberty earlier and would likely be bred and calve at an earlier age with high milk yielding ability.
  S.M. Yashim , A.M. Adamu , C.A.M. Lakpini and S.B. Abdu
  Growth and digestibility experiments were conducted with Yankasa rams offered Centrosema pascuorum and Alysicarpus vaginalis hays fed as sole. Twenty rams with a weight ranging between 19.3 and 29.0kg were randomly assigned to 2 treatment groups in a completely randomized design. The results of the study showed that the Dry Matter intake of Centrosema pascuorum and Alysicarpus vaginalis did not differ significantly among treatments. Rams fed Centrosema pascuorum had significantly (P< 0.05) higher average daily weight change, and total weight change, while Alysicarpus vaginalis had significantly (P < 0.01) higher disgestibilities. Based on the result of this study, it is concluded that Centrosema pascuorum and Alysicarpus vaginalis hays have feeding value for rams and can be used to improve the growth of sheep during critical periods of the dry season if conserved.
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