Short communication: Exploring patterns of variation in conformation data by means of principal components analysis

Journal of Dairy Science

Volumn 91, Issue 11, 2008, Pages 4440-4443

  Schneider, M Del P ^a   Fikse, W F ^a  

^a SWEDISH UNIVERSITY OF AGRICULTURAL SCIENCES   (Sweden)

Author keywords

Approximate factor analysis; Conformation trait; Genetic correlation; International sire evaluation

Indexed keywords

EID: 55849149479     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.2007-0953     Document Type: Article

References (5)

1. Interbull. 2006. Interbull Routine Genetic Evaluation for Conformation Traits February 2006. http://www-interbull.slu.se/conform/framesida-conf.htm. Accessed Feb. 15, 2006.
2. Klei, B., and K. A. Weigel. 1998. A method to estimate correlations among traits in different countries using data on all bulls. Interbull Bull. 17:8-14.
3. Leclerc, H., W. F. Fikse, and V. Ducrocq. 2005. Principal components and factorial approaches for estimating genetic correlations in international sire evaluation. J. Dairy Sci. 88:3306-3315.
4. Meyer, K., and M. Kirkpatrick. 2005. Restricted maximum likelihood estimation of genetic principal components and smoothed covariance matrices. Genet. Sel. Evol. 37:1-30.
5. Schaeffer, L. R. 1994. Multiple-country comparison of dairy sires. J. Dairy Sci. 77:2671-2678.