individual publications

• academic article

  • Estimation of the parameters involved in a first-order autoregressive process for contemporary groups.  Journal of Dairy Science.  76:3033-3040. 1993
  • Genotype by environment interaction for Holstein milk yield in Colombia, Mexico and Puerto Rico.  Journal of Dairy Science.  74:1700-1714. 1991
  • Heterogeneous with-in herd variance I. Genetic parameters for first and second lactation milk yields of grade Holstein cows.  Journal of Dairy Science.  73:3312-3320. 1990
  • Heterogeneous with-in herd variance II. Genetic relationships between milk yield and calving interval in grade Holstein cows.  Journal of Dairy Science.  73:3321-3329. 1990
  • Heritabilities of and genetic correlations among six health problems in Holstein cows.  Journal of Dairy Science.  72:180-186. 1989
  • Variance heterogeneity in direct and maternal weight traits by sex and percent purebred for Simmental-sired calves.  Journal of Animal Science.  67:2515-2528. 1989
  • Genetic groups in an animal model.  Journal of Dairy Science.  71:1310-1318. 1988
  • Predicting milk yield of Holstein cows from 306 to 395 days in milk.  Journal of Dairy Science.  71:3425-3436. 1988
  • Factors influencing best annual racing time in Finnish horses.  Journal of Animal Science.  64:109-116. 1987
  • Approximating prediction error variances for multiple trait sire evaluations.  Journal of Dairy Science.  69:2877-2883. 1986
  • Lambing performance of Morlam and Dorset ewes under accelerated lambing systems.  Journal of Dairy Science.  63:1769-1778. 1986
  • Comparison of prediction error variance of differences in estimated transmitting abilities of cows in the same and different herds.  Journal of Dairy Science.  66:1370-1376. 1983
  • Genetic groups in dairy sire evaluation under a selection model.  Journal of Dairy Science.  66:927-934. 1983
  • Computer algorithm for the recursive method of calculating large numerator relationship matrices.  Journal of Dairy Science.  65:2018-2022. 1982
  • Categorical trait sire evaluation by best linear unbiased prediction of future progeny category frequencies.  Biometrics.  36:117-122. 1980
  • Estimating a genetic covariance from least squares solutions.  Journal of Dairy Science.  63:174-177. 1980

• conference paper

  • Mixed linear models with an autoregressive error structure.  Proc. 4th World Congress on Genetics Applied to Livestock Production. 508-511. 1990

• document part

  • Autoregression as a means of modelling contemporary groups in sire evaluation.  142. 1990
  • Genotype-environment interaction for Holstein milk yield in Latin America and the US.  251. 1990
  • Genetic and environmental variances of Holstein milk yield estimated in different within-herd variance classifications.  58. 1989
  • Relationships between milk yield and calving interval in Holstein herds with heterogeneous variances for milk.  58. 1989
  • Milk response to US Holstein sire selection in Mexico and Puerto Rico.  235. 1988
  • Variance heterogeneity in weight traits by sex and percent purebred for Simmental-sired calves.  220-221. 1988
  • Genetic Groups in an animal model.  175. 1984
  • Modeling and non-linear methodology in the evaluation of conception in sheep under accelerated lambing systems (A. L. S.).  154. 1984