In order to verify the strain genetic purity of the selected animals
(LA, Lampiño; EN, Entrepelado; RE, Retinto and TO, Torbiscal),
a preliminary study was conducted in four herds ascribed
to the Studbook. This study was carried out on 140 animals (35
assigned to each official strain according to their morphology)
from the Spanish Association of IB Pig Breeders (AECERIBER). A
batch of 35 IB (no assigned to any official strain) Spanish Duroc
crossbreed pigs was included into the study to compare their genetic
and productive traits to those from IB purebred pigs. The
Spanish Duroc line was selected because it is currently used by
the Spanish industry (Serrano, Valencia, Nieto, Lázaro, & Mateos,
2008).
In order to verify the strain genetic purity of the selected animals(LA, Lampiño; EN, Entrepelado; RE, Retinto and TO, Torbiscal),a preliminary study was conducted in four herds ascribedto the Studbook. This study was carried out on 140 animals (35assigned to each official strain according to their morphology)from the Spanish Association of IB Pig Breeders (AECERIBER). Abatch of 35 IB (no assigned to any official strain) Spanish Duroccrossbreed pigs was included into the study to compare their geneticand productive traits to those from IB purebred pigs. TheSpanish Duroc line was selected because it is currently used bythe Spanish industry (Serrano, Valencia, Nieto, Lázaro, & Mateos,2008).
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