%0 Journal Article %T Detecci¨®n de una mutaci¨®n puntual en el gen receptor Ryanodina (Ryr 1) en cerdos criollos colombianos %A Hern¨¢ndez %A Darwin Y %A Posso Terranova %A Andr¨¦s Mauricio %A Jaime Eduardo %A Mu£¿oz Fl¨®rez %J Acta Agron¨®mica %D 2008 %I Universidad Nacional de Colombia Sede Palmira %X the porcine stress syndrome is a hereditary monogenic recessive disease related with ryanodine receptor gen (ryr1). using pcr-sscp and pcr-rflp 14 animals of commercial breed with mule foot characteristic (cm), 21 san pedre£¿o breed (sp) and 100 zungo breed (zn) were genotipificated. allelic frequency for cm and sp was the same (f(h) = 0.79 y f(h) = 0.21), while in zn there was no evidence of recessive allele (h). heterocigosity (he) was 0.28% for cm and 0.23% for sp. he value for population sample was 0.066. %K creole pigs %K porcine stress %K pcr-sscp %K pcr-rflp. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0120-28122008000400010&lng=en&nrm=iso&tlng=en