Báo cáo sinh học: "Estimation of covariance components between one continuous and one binary trait" pot

... article Estimation of covariance components between one continuous and one binary trait H. Simianer L.R. Schaeffer 2 Justus Liebig University, Department of Animal Breeding and Genetics, ... variance and covariance components in a multiple trait situation with one continuous and one binary trait. An underlying bivariate normal distrib...

Ngày tải lên: 14/08/2014, 20:20

... vector of records p = vector of fixed effects a = vector of random genetic effects of sows c = vector of random permanent environmental effects e = vector of random residual ... random within each of the above-mentioned genotypes were mated to randomly chosen MS, Fl or LW boars and produced 12 genetic types of litters. In the third...

Ngày tải lên: 14/08/2014, 19:22

... ± 3 kg for SWF and SWW) and feed consumption (16 ! 3 kg per female and -0.35 ::I:: 0.07 kg per unit of litter growth rate). On the other hand, none of the traits exhibits ... article of this series. The analysis of litter and sow weights and of sow feed consumption provides some information on the respective nursing abilities of...

Ngày tải lên: 14/08/2014, 20:20

... which increased sharply between birth and weaning (4, 16 and 14% for UWB, UADG 0-21 and UW21 respectively). Grand maternal and paternal heterosis effects we le small and non significant, ... parity ones being intermediate after birth (differences between second and first parity and between second and third parity litters were respective...

Ngày tải lên: 14/08/2014, 20:20

... Schaeffer LR (1989) Estimation of covariance components between one continuous and one binary trait. Genet Sel Evol 21, 303-315 Sorensen DA, Andersen S, Gianola D, Korsgaard ... and Bayesian estimation of variance components. J Stat Comp Simul 33, 149-160 Hoeschele I, Foulley JL, Gianola D (1987) Estimation of variance components wit...

Ngày tải lên: 09/08/2014, 18:22

... residual components of variance and p(p + 2)/2 between- family components of variance and covariance between environments whilst Oo has p+2 2 parameters only (p residual components, <T1 ... procedures Hypotheses of interest concern the vector 0 of parameters involved in the matrices of between- family (E B) and within-family (Ey!)...

Ngày tải lên: 14/08/2014, 19:22

... updat- ing procedure and T and S are the sum and sum of squares of the data points 1 through n. It was modified to calculate the covariances between X and Y by changing to . Both of these algorithms ... 1. Alternative weighting strategies Of the formulations presented in Table 1, PEV GC3 and PEV AF3 are weighted averages of PEV GC1 and PEV GC2 and of PEV AF1 and...

Ngày tải lên: 14/08/2014, 13:21

... Flux-research programme of the Academy of Finland and was financially supported by the Academy of Finland. The office space provided by ILRI in Nairobi, Kenya for I. Tapio at the final stage of the study ... burn-in of 200 iterations, thinning of 400 and 2000 samples were applied. A Dirichlet prior for the allele frequencies was used and the prior for the distribution of...

Ngày tải lên: 14/08/2014, 13:21

... consistency of the estimates of heritabilities and correlations between models. We decided to analyze the hypothetical differences between single- and twin-reared lambs by testing for dif- ferences between ... following effects were tested: type of birth, sex of the lamb, year, season, age of the dam, age of the sire, and age of the lamb at weighing. Models were fitt...

Ngày tải lên: 14/08/2014, 13:21

... each year out of 59 candidates, and 49 dams were selected out of 169 candidates until generation 16. For the control line, on average, 11 sires out of 46 males and 55 dams out of 159 females ... production [6], and more particularly clutch length [1]. The clutch length is the number of eggs laid on consecutive days, which is one of the important components of the total...

Ngày tải lên: 14/08/2014, 13:22