Liha töötlemine
genetic selection for leanness has not been Duroc pigs was more tender than that from
without unintended consequences. Pigs Landrace, Duroc, and various crosses with
homozygous for the Halothane gene (nn) Yorkshire pigs. Blanchard et al. (1999)
have higher gain: feed ratios, and their car- reported that meat from crossbred pigs that
casses are leaner than those from Halothane were at least half Duroc were more tender
negative (NN) and heterozygotic (Nn) pigs than that from Large White and British
(Leach et al. 1996). While pigs carrying one Landrace crosses. Brewer et al. (2002) also
or two copies of the Halothane gene have reported that pork from Duroc-sired pigs is
higher lean content, they are likely to produce more tender than that from Duroc/Landrace-
pale, soft, and exudative (PSE) meat that has and Pietrain-sired pigs.
excessive drip loss because of rapid pH Wood et al