[Influences of promoter variants of the pHsp70.2 gene on its gene expression and phenotypic performance traits in pigs]

calidad carcass composition carne de cerdo cerdo composition de la carcasse estres feed conversion efficiency fertilidad fertilite fertility gain de poids ganancia de peso gene gene expression genes genetic polymorphism meat texture performance de reproduction polimorfismo genetico porcin pork proteine proteins quality reproductive performance reproductividad resistance to injurious factors stress swine textura de la carne texture de la viande viande porcine weight gain