Polymorphisme de la transferrine chez les bovins trypanosensibles et trypanotolerants de l'Afrique de l'Ouest. Repartition et frequence de leurs alleles

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The distribution of electrophoretic variants of purine nucleoside phosphorylase (N.P. E.C.2.4.2.1) controlled by the alleles NP.H and NP.L was determined on erythrocyte lysates from zebu, Baoule and N'Dama/Baoule cross cattle. Electrophoresis was performed on cellulose acetate and NP revealed. Zebus had a NP.H gene frequency that was slightly higher, but not significant (X², test) than Baoules (0.4595 vs 0.3898). Both populations were in equilibrium. There appeared to be a gradient of increased NP.H frequency in cattle from northern Europe to the tropics.

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genetics, phenotype, genes, polymorphism

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http://hdl.handle.net/123456789/165433

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https://hdl.handle.net/10568/66774

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