Polymorphic Variation of Hemoglobins in Buffaloes (Bubalus bubalis)
Keywords:Buffaloes, Electrophoresis, Hemoglobin, Genetics
AbstractIn the present report the biochemical polymorphism of hemoglobins in 96 Indian buffaloes from different breed groups of Murrah, Jafarabadi and Mediterranean races reared in the experimental farm Lageado - UNESP - Botucatu, State of São Paulo was studied. Hemoglobins variants were identified through agarstarch gel electrophoresis, in discontinuous buffer system, pH 8.6. Animals showing one fast band (A,) were considered AA (4.4%); buffaloes with two bands (A, and A2) were considered AB (31.87%) when A2 was weak and BB (31.87%), when A2 was strong. A third band was detected, named N. Phenotypes with three bands with the respective frequencies: ABN (3.3% and BBN (30.77%). Densitometric analyses and the lack of AAN phenotype drove us to conclude that, in some way, the mutant (3 chains synthesis that originated N band was related probably to a" allele. Probably, the high frequency of N band was due to the intensive use of few breeders.
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