2. Material and methods
2.1. Experimental design and animal management
A total of 52 pigs [26 entire females (EF) and 26 castrated males
(CM)] were divided into three groups according genotype: 16 Celta
pigs (C), 20 pigs from Landrace breed crossed with pure Celta (C × L),
16 pigs from Duroc breed crossed with pure Celta (C × D). The pigs in
each groupwere animalswith similar liveweight at birth. All pure specimens
from Celta pìg breed were registered in the Record of Births of