Estudo da divergencia genetica entre as racas suinas Duroc, Landrace e Large White, utilizando tecnicas de analise multivariada
Year: 2002
Type: article
Abstract: Multivariate techniques were used to evaluate the genetic divergence among three swine breeds. Six performance traits were evaluated: piglet weight at birth (PON), at 21 days (P21), at 70 days (P70), average daily weight gain (GDP), age to obtain 100 kg (ID100) and backfat thickness (ETO). Breed performance was evaluated by multivariate analysis of variance and Fisher’s linear discriminant function, using tests of Roy’s greatest root and Roy’s union-intersection to multiple comparison. The study of genetic divergence was made by canonical variables analysis. The Large White breed was somewhat superior in relation to Landrace, and both were better than Duroc. Great genetic divergence was observed between Landrace and Large White breeds and Duroc breed, while the former two presented more similarity. These results justify utilization of the Landrace and Large White breeds to produce F1 females for crossing with Duroc males to obtain hybrid offspring expressing heterosis and in which there is complementation amog traits.
Institution: Universidade Federal de Viçosa
Language: Spanish
Subfield: Genetics
Domain: Life Sciences
SDG: Zero hunger
Open Access status: diamond
OpenAlex ID: W645239087