Influence of sire by year interactions on the direct-maternal genetic correlation for weaning weight of Western Australian Merino sheep

Australian Journal of Agricultural Research

Volumn 54, Issue 7, 2003, Pages 723-729

  Konstantinov, K V ^a   Brien, F D ^a  

^a Hamilton Research Institute   (Australia)

Author keywords

(co)variance estimation; Simulation; Sire by year interaction

Indexed keywords

GENETICS; SHEEP;

MAMMALIA; OVIS ARIES;

EID: 0041732076     PISSN: 00049409     EISSN: None     Source Type: Journal    
DOI: 10.1071/AR02235     Document Type: Article

References (10)

1. Cloete SWP, Greeff JC, Lewer RP (2001) Environmental and genetic aspects of survival and early liveweight in Western Australian Merino sheep. South African Journal of Animal Science 31,123-130.
2. Foulley JL, Quaas RL (1995) Heterogeneous variances in Gaussian linear mixed models. Genetics Selection Evolution 27, 211-228.
3. Gilmour AR, Cullis BR, Welham SJ, Thompson R (2000) 'ASREML - reference manual.' NSW Agriculture Biometric Bulletin No. 3. NSW Agriculture, Orange Agricultural Institute, Orange, NSW.
4. Henderson CR (1976) Simple method for computing the inverse of a numerator relationship matrix used in prediction of breeding values. Biometrics 32, 69-83.
5. Lee C, Pollak EJ (1997) Relationship between sire x year interactions and direct-maternal genetic correlation for weaning weight of Simmental cattle. Journal of Animal Science 75, 68-75.
6. Miller A (2001) The Fortran 90 web site of Alan J. Miller: Module random. http://www.ozmail.com.au/~milleraj
7. Mortimer SI, Atkins KD (1995) Maternal effects influence growth traits in Merino sheep. Proceedings of the Australian Association of Animal Breeding and Genetics 11, 421-424.
8. Robinson DL (1996) Model which might explain negative correlations between direct and maternal genetic effects. Livestock Production Science 4, 111-122.
9. Tosh JJ, Kemp RA (1994) Estimation of variance components for lamb weights in three sheep populations. Journal of Animal Science 72, 1184-1190.
10. van Wyk JB, Erasmus GJ, Konstantinov KV (1993) Variance components and heritability estimates of early growth traits in Elsenburg Dormer sheep stud. South African Journal of Animal Science 23, 72-76.