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Articles by Adedeji, T.A.
Total Records ( 2 ) for Adedeji, T.A.
  Adedeji, T.A. , A.O. Adebambo , M.O. Ozoje , L.O Ojedapo and A.O. Ige
  Egg laying performance of 120 pullets sired by four different strains- three Nigerian indigenous (Naked-neck, Frizzle feathered and Normal feathered) and one exotic (White Leghorn) was studied over an 18-week period. The traits considered were egg number and egg weight. Sire genotype significantly (p<0.05) affected mean egg number and egg weight while season had no significant effect (p>0.05). Frizzle feathered progeny laid more eggs (4.61±0.27- 6.25±0.35) comparable to the progeny of White Leghorn while Naked neck progeny laid heavier eggs (44.26±1.12-47.76±1.41 gm). Estimate of heritabilities (h2s) was low for egg number (h2s = 0.07) and moderate ((h2s = 0.31) for egg weight (genotypes combined). Negatively low genetic and phenotypic correlations were recorded between egg number and egg weight. This study therefore revealed the existence of genetic variability and potentials for genetic improvement in egg traits amongst the Nigerian local chickens.
  Adedeji, T.A. , L.O. Ojedapo , O.S. Adedeji , T.A. Aderogba and A.R. Abdullah
  207 WAD goats were randomly sampled in a survey study of some qualitative traits in Surulere local government of Oyo state, Nigeria. Traits studied were presence or absence of horns (Ho), Wattles (Wa), Beard (Bd); Coat colours and Hair types. Parameters studied revealed sexual dimorphism in the traits studied. Wattles, beard and horns were predominant in both sexes but more prominent in the male goats. The gene frequencies for the recessive alleles beard (0.67) and Horness (1.00) were higher than those of dominant alleles while dominant allele wattled gene (0.68) was more frequent. The majority of the goats sampled had black coat colour (36%) and smooth hair type (84%). The levels of variation in some of the traits surveyed indicated that the WAD goat has not been purified for such traits in the environment; rather their evolvement could be mainly for adaptive purposes.
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