Genetic polymorphism of the K-casein (CSN3) gene in goats reared in Southern Italy

Silvia Reale, Mohamed Habib Yahyaoui, Josè Maria Folch, Armand Sanchez, Fabio Pilla, Antonella Angiolillo

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7 Citations (Scopus)


K-casein (K-CN) represents one of the most important proteins determining the manufacturing properties of milk, because of its essential role in micelle formation and stabilisation. Several genetic variants of K-CN have been described in goats. To investigate the occurrence of seven alleles and their distribution among breeds, a total of 170 animals, from six different breeds reared in Italy (Cilentana Nera, Derivata di Siria, Maltese, Jonica, Garganica and Cashmere), have been analysed in this paper by the primer extension method. Alleles A and B were found to be the most represented in all the analysed breeds; allele D is present only in Maltese and Cashmere animals with a very low frequency; while allele G has been found in all but two (Garganica and Cashmere) breeds. Alleles C, E and F were not present in the material used for this study.
Original languageEnglish
Pages (from-to)97-101
JournalItalian Journal of Animal Science
Issue number1
Publication statusPublished - 1 Jan 2005


  • Genetic polymorphism
  • Goat
  • K-casein

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