Identification of Factors Causing Heterogeneous Within-Herd Variance Components Using a Structural Model for Variances K. A. Weigel 1, D. Gianola 1, B.
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TITLE: Heterogeneous Within-Herd Variance. 1. Genetic Parameters for First and Second Lactation Milk Yields of Grade Holstein Cows . AUTHOR(S): T.
TITLE: Heterogeneous Within-Herd Variance. 2. Genetic Relationships Between Milk Yield and Calving Interval in Grade Holstein Cows . AUTHOR(S): T.
... permanent-environmental regression solutions within herd, test-day, and milking frequency class with class mean milk yields were reduced with adjustment for heterogeneous (co ...
... and permanent-environmental regression solutions within herd, test-day, and milking frequency class with class mean milk yields were reduced with adjustment for heterogeneous ...
1 The problem of heterogeneous within herd error variances whe.. (context) - Everett, Keown et al. - 1982 Documents on the same site (http://www.aipl.arsusda.gov/publish ...
... was modified to estimate adjustments for heterogeneous variance (HV) simultaneously with estimated breeding values (EBV) for final score and 14 linear traits. Each within herd-year ...
... for genetic and permanent-environmental regression within herd, test-day, and milking frequency class with class mean milk yield were reduced with adjustment for heterogeneous (co ...
Weigel KA, Gianola D: Estimation of heterogeneous within-herd variance components using empirical Bayes methods: a simulation study. J Dairy Sci 1992, 75: 2824-2833. PubMed ...
A computationally simple Bayesian method for estimation of heterogeneous within-herd phenotypic variances. J. Dairy Sci. 76:1455-1465. K. A. Weigel, D.
HETEROGENEOUS VARIANCES AND GENOTYPE × ENVIRONMENT INTERACTION IN A RANDOM REGRESSION TEST ... In lactation models, suggested corrections scale records within herd-year groups according ...
... to herd migration corridors and forage areas; (2) differing cultural patterns develop in the hunting societies within herd areas; and (3) artifacts are more homogeneous within ...
Impact of heterogeneous within herd variances on dairy cattle breeding schemes: a simulation study. Livest. Prod. Sci. 33 (1993) 31-41. Meuwissen, T.H.E.; Arendonk, J.A.M. van (1992)
Depending on the epidemiology of the infection, a non-homogeneous distribution of within herd prevalences may be relevant. The cited OIE guidelines only specify P * H = 0.01 and P * A ...
... be influenced by ? Within-herd ... Within-herd transmission can greatly enhance the level of infection arising from an environmental reservoir. ? Heterogeneous populations have a ...
Adjustment for heterogeneous variance by correction for within-herd phenotypic SDwas also evaluated. Additive genetic and residual variances were heterogeneous across herds and ranged ...
Identification of factors causing heterogeneous within-herd variance components using a structural model for variances. J. Dairy Sci. 76:1466?1478. Wiggans, G.
With a few exceptions, within-herd heterogeneity of animal growth has been ignored in ... The heterogeneous herd with a multiple shipping decision model also treats the herd as a ...
With a few exceptions, within-herd heterogeneity of animal growth has been ignored in ... The heterogeneous herd with a multiple shipping decision model also treats the herd as a ...
... in Positive Herds Computation of the herd-level sensitivity (Equation 3.3 in the draft) and thus herd prevalence appears to depend on an assumption of homogeneous within-herd ...
KA Weigel, D Gianola, BS Yandell and JF Keown (1993) ``Identification of factors causing heterogeneous within-herd variance components using a structural model of ...
Adjustment for heterogeneous variance within herd-year for milk, protein, and fat resulted in lower coefficients of regression with lower standard errors.
79 Adjustment for Heterogeneous Genetic and Non-Genetic (Co)Variance Structures in Test-Day ... Variance of effects of lactation stage within herd by herd yield. J. Dairy Sci. 84 (Suppl ...
Heterogeneous variance adjustments were modified for all-breed analysis of production traits and DPR. For mixed-breed herds, variance within herd would be overestimated if no ...
... inter-linked sub-populations and disease transmission was modelled in both homogeneous ... otherwise specified, between herd contact was set to 10 per cent of the within herd ...
environmental effects; adjustment for heterogeneous variance ... regression on days in milk (for TD-yield traits) nested within herd and 5-year ...
... and Jersey) - fixed regression on days in milk (for TD-yield traits) nested within herd and ... www.mtt.fi Nordisk Avlsværdivurdering Heterogeneous variance adjustment æ Simultaneous ...
A computationally simple Bayesian method for estimation of heterogeneous within herd phenotypic variances. J. Dairy Sci. 76:1455-1465. Threshold Models
Method and effect of adjustment for heterogeneous within-herd variance on Holstein conformation evaluations. J. Dairy Sci. 77:294-302. Leitch, H.W., C.
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