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Articles by H.A. Fashina-Bombata
Total Records ( 2 ) for H.A. Fashina-Bombata
  H.A. Fashina-Bombata and A.O. Somotun
  A study was conducted to determine the possible sex inversion effect of lyophilized goat testes meal on hatchlings of `Wesafu`. Eighty-five fish and a control group were treated with the meal for forty days in an indoor facility and subsequently transferred into outdoor cages and monitored for growth, the result of manual sex ratio was not conclusive and gonad examination for sex ratio determination has been suspended until fish are big enough. Some mortalities (35%) were recorded during the treatment periods while the control group was intact (100%). The chemical composition of goat testes meal revealed a useful 47% protein and 1.23% oil and a good complement of mineral elements. After the initial 25day exposure of fish to GTM, there was no noticeable length difference (2.9cm) as compared to the control group (3.5cm). The lengths were also similar at 6.03cm and 6.07cm for GTM and the control group respectively after 25 days in outdoor green water culture. There were some non statistical differences in both weight and length of fish in the two groups with the test group clearly showing improvements in terms of length and weight indicating the influence of male hormone (testosterone in GTM) in maleness of the test group.
  A.M. Hammed , H.A. Fashina-Bombata and O.O. Fajana
  Wesafu is an indigenous ecotype cichlid and a very important part of the fisheries of Epe lagoon in Lagos Nigeria. Investigation of the amino acids composition of tissue and blood samples of Wesafu, T. zillii and O. niloticus using paper chromatography (Ranjna, 1999) was conducted. Only 14 amino acids (Alanine, Cysteine, Asphatic acid, Phenylalanine, Glycine, Histidine, Isoleucine, Lysine, Leucine, Methionine, Threonine, Valine, Tryptophan, Glutamic acid) were analyzed. In the muscles, 11 amino acids were identified with alanine, guanine and methionine absent in all three fish tissue sampled. Phenylalanine, isoleucine and valine were absent in O. niloticus but present in Wesafu and T. zillii while Tryptophan and Glutamic acid were present in O. niloticus but absent in the tissues of Wesafu and T. zillii. However, all 14 AA assayed were present in different proportions in the blood samples of the three species. This report further suggests that the Wesafu is different from either of the two species and warrant species identification at a level of molecular biology.
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