Bovini dell’Africa occidentale

Bovini dell’Africa occidentale

Arnaud Stéphane R. Tapsoba

85,76 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
Materia
Genética (no médica)
ISBN:
9786208198305
85,76 €
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L’Africa occidentale presenta una notevole diversità zoogenetica, illustrata dai taurini tripanotolleranti(Bos taurus). Tuttavia, l’introduzione dello zebù(Bos indicus) ha alterato il patrimonio genetico delle razze locali, in particolare dei tori. Questa situazione è fonte di preoccupazione, poiché pochi studi hanno valutato il livello di introgressione dei taurini nella regione. L’obiettivo principale di questo studio è quello di evidenziare gli indici morfologici e genetici di introgressione all’interno delle razze bovine del Burkina Faso e di confrontarli con quelli di altri Paesi dell’Africa occidentale. Lo studio combina analisi morfometriche e molecolari di bovini provenienti da Burkina Faso, Benin, Niger e Mali, per valutare il flusso genico, la diversità genetica e i livelli di introgressione utilizzando marcatori microsatelliti. Nel 2014 è stata osservata una marcata strutturazione delle popolazioni taurine in Burkina Faso, seguita nel 2018 da un’omogeneizzazione dovuta a una forte introgressione di geni zebù. Le analisi molecolari indicano un’introgressione di geni di zebù che varia tra il 20 e il 50%, con una diversità genetica significativa. Questo fenomeno è presente anche in Benin, Niger e Mali.

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