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Luciana Shiotsuki ; Raimundo Nonato Braga Lôbo ; Olivardo Facó ;Semina: Ciências Agrárias 2015, 36 6

Autor: Michelle Santos da Silva

Fuente: http://www.redalyc.org/articulo.oa?id=445744152034


Introducción



Semina: Ciências Agrárias ISSN: 1676-546X semina.agrarias@uel.br Universidade Estadual de Londrina Brasil Santos da Silva, Michelle; Shiotsuki, Luciana; Braga Lôbo, Raimundo Nonato; Facó, Olivardo Principal component analysis for evaluating a ranking method used in the performance testing in sheep of Morada Nova breed Semina: Ciências Agrárias, vol.
36, núm.
6, noviembre-diciembre, 2015, pp.
3909-3921 Universidade Estadual de Londrina Londrina, Brasil Available in: http:--www.redalyc.org-articulo.oa?id=445744152034 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative DOI: 10.5433-1679-0359.2015v36n6p3909 Principal component analysis for evaluating a ranking method used in the performance testing in sheep of Morada Nova breed Análise de componentes principais para avaliação de um método de classi cação utilizado nos testes de desempenho em ovinos da raça Morada Nova Michelle Santos da Silva1*; Luciana Shiotsuki2; Raimundo Nonato Braga Lôbo2; Olivardo Facó2 Abstract A multivariate approach was adopted to evaluate the relationship among traits measured in the performance testing of Morada Nova sheep, verify the ef ciency of a ranking method used in these tests and identify the most signi cant traits for use in future analyses.
Data from 150 young rams participating in ve versions of the performance tests for the Morada Nova breed were used.
Twenty traits were measured in each animal: initial weight (IW), nal weight (FW), average daily weight gain (ADG), loin eye area (LEA), scrotal circumference (SC), fat thickness (FT), conformation (C), precocity (Pc), muscularity (M), breed features (BF), legs (L), withers height (WH), chest width (CW), rump height (RH), rump width (RW), rump length (RL), body length (BL), body depth...





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