Báo cáo sinh học: "Estimation of genetic variability and selection response for clutch length in dwarf brown-egg layers carrying or not the naked neck gene" pdf
Báo cáo khoa học: "Estimation of genetic parameters in eastern cottonwood (Populus deltoïdes Consequence for the breeding strategy" potx
... either among clones or amongparents and their offsprings. The flushingperiod of eastern cottonwood in the Orldans climatic conditions is fairly late in the spring : the ... followed by the selection of clones for direct use in poplargrowing or of parents for the next breeding generation.A breeding strategy has now to bedefined. The definition ... part, Original articleEstimation of genetic parameters in eastern cottonwood (Populus deltoïdes Bartr.). Consequence for the breeding strategyC. PichotE. Teissier du CrosINRA, station...
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Báo cáo sinh học: " Estimation of variance components of threshold characters by marginal posterior modes and means via " pptx
... article Estimation of variance components of threshold characters by marginal posterior modes and means via Gibbs samplingI HoescheleB TierVirginia Polytechnic Institute and State ... model.The marginal posterior mode of heritability was computed by a grid search of theRao-Blackwell estimate (eg, Gelfand et al, 1990) of the marginal posterior density of a2 ... MaximumLikelihood, and Bayesian estimation of variance components. J Stat Comp Simul 33,149-160Hoeschele I, Foulley JL, Gianola D (1987) Estimation of variance components with...
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Báo cáo sinh học: "Prediction of genetic gains in body weight, egg production and shell quality traits in the Brown Tsaiya laying duck" pps
... Original articlePrediction of genetic gains in body weight, egg production and shell quality traits in the Brown Tsaiya laying duck(Anas platyrhynchos)YS ... increase the number of eggs while holding egg weight and body weight constant in Brown Tsaiya (Tai et al, 1994). As the heritabilities of ES30 and ES40, and their genetic ... especially in G5 with larger change of climate in the open feeding system (it was 217 eggs in G6).On the other hand, the increase in inbreeding coefficient is rather small,...
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Báo cáo sinh học: " Inferences about variance components and selection response for body weight in chickens" pdf
... history of selection for body weight. In addition, the summary of Chamberswas based on estimates for body weights at different ages, and most of these were for body weights ... in gene frequency and due to disequilibrium. Since this experimentderived from a line that had a long history of selection for body weight, onecould interpret Qa in ... described in equations [11, [2] and [3], and additionally, the following priordistributions were assumed for b and for the variance components. An improperuniform distribution...
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Báo cáo y học: "Influence of genetic variability at the surfactant proteins A and D in community-acquired pneumonia: a prospective, observational, genetic study" pot
... 1A 10 and 6A to 1A are overrepre-sented among patients who died at 28 or 90 days. Bycontrast, 6A 3 and 6A 3to 1A 1areprotectiveagainst28-day and 90-day mortality.Additional materialAdditional ... Particularly, 1A 10 and 6A- 1A were overrepresentedamong patients who die d at 28 or 90 day s, and they alsopredisposed to MODS and ARDS respectively. Likewise, 6A was associated with ARDS, and 1A was ... 1A 10 and 6A 3to 1A haplotypes are associated withincreased susceptibility to CAP.ã Haplotypes 6A and 6A to 1A are associated withdevelopment of ARDS, while 1A and 1A 10are asso-ciated...
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Báo cáo sinh học: "Estimation of prediction error variances via Monte Carlo sampling methods using different formulations of the prediction error variance" ppsx
... from the scale of Var(u) to the scale of improved the approximation of the PEV and four of the 10 formulations gave the best approximations of PEVexactthereby improving the efficiency of the Monte ... squared error (RMSE) of regressions of exact prediction error variance on sampled prediction error variance approximated using one of 10 different formulations of the prediction error variance using ... using different formulations of the prediction error variance using 300 samples for different levels of exact prediction error varianceFigure 2 Sampling variances of sampled prediction error...
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Báo cáo sinh học: " Precision of genetic parameters and breeding values estimated in marker assisted BLUP genetic evaluation" potx
... simulating the population structure, helped duringprogramming and integrating of software packages MIX and ASREML and also checked programs and results. GTparticipated in setting up the design and ... Correlations of marker- assisted breeding values with progeny-test breeding values for eight hundred ninety-nine French Holstein bulls. J Dairy Sci2008, 91:2520-2522.24. Spelman RJ: Major factors in marker- assisted ... respectively.To examine the impact of the different models on the esti-mation of MA -BLUP breeding values, the correlation of true and estimated breeding values was calculated for eachgroup of animals...
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Báo cáo sinh học: " Estimation of relatedness among non-pedigreed Yakutian cryo-bank bulls using molecular data: implications for conservation and breed management" pps
... work is properly cited.Research Estimation of relatedness among non-pedigreed Yakutian cryo-bank bulls using molecular data: implications for conservation and breed managementIlma Tapio1, ... the mean molecular coancestry for the whole Yakutian cattle population (60 individuals), for the all the bulls (23 bulls comprising the six cryo-bank bulls and the17 reference bulls) , for the ... bulls) , for the 17 reference bulls, for six Yakutian cryo-bank bulls and for each of the 23 bulls sep-arately. Mean molecular coancestry [33] between eachbull and every cow was also calculated....
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Báo cáo sinh học: "Estimation of genetic variability and selection response for clutch length in dwarf brown-egg layers carrying or not the naked neck gene" pdf
... affecting clutch length. Selection on clutch length in layers 2334.2. Phenotypic trends, selection response, and the effect of the NA gene Selection for average clutch length in the dwarf laying ... 2003DOI: 10.1051/gse:2003005Original articleEstimation of genetic variability and selection response for clutch length in dwarf brown-egg layers carrying or not the naked neck geneChih-Feng CHENa, ... by their genotype for the NA gene. In addition to the investigation of the genetic variability of clutch length in dwarf layers, thisexperiment also made it possible to examine the effect of the...
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Báo cáo sinh học: " Estimation of the proportion of genetically unbalanced spermatozoa in the semen of boars carrying " pdf
... in vitro estimation of the proportion of unbalanced gametes in the semen of animals carrying the rearrangements. Different technical approachesinitially developed in Man can be used in this perspective. ... [23],as well as for the estimation of aneuploidy rates in pigs [34]. We used it for the first time to estimate the proportion of unbalanced gametes in the semen of boars carrying different chromosomal ... G: green.Table III. Number (and proportion, %) of the different segregation products in the semen of the boars carrying a trisomy 18 mosaic, and in the semen of a control boar(normal karyotype).Chromosomal...
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Báo cáo sinh học: " Estimation of genetic parameters of preweaning performance in the French Limousin cattle breed" ppt
... Further statistics of the data sets are given in tables I and II. Original article Estimation of genetic parameters of preweaning performance in the French Limousin cattle ... maternal genetic and environmental parameters of preweaning growth and conformation at weaning were estimated in the French Limousin beef cattle field recording program using the ... weaning for the French Limousin cattle breed using the tilde-hat approach of Van Raden and Jung (1988). MATERIALS AND METHODSData description The French Limousin Breeding...
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Báo cáo sinh học: " Estimation of crossbreeding parameters between Large White and Meishan porcine breeds. III. Dominance and epistatic components of heterosis on reproductive traits" pptx
... Original article Estimation of crossbreeding parameters between Large White and Meishan porcine breeds. III. Dominance and epistatic components of heterosis on reproductive traitsJP ... objective of this study was to estimate dominance and epistatic components of heterosis effects relative to the cross between Meishan and Large White breedsfor -reproductive ... A crossbreeding experiment using Large White (LW) and Meishan (MS)pig strains was conducted. Dominance, additive x additive and dominance x dominance epistatic components...
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Báo cáo sinh học: "Estimation of relatedness in natural populations using highly polymorphic genetic" docx
... Assessment of inbreeding by DNA fingerprinting: development of a calibration curve using definedstrains of chickens. Genetics 125, 161-165 the main problem lies in finding a highly ... 2 and 3 must be calculated according to the number of Original articleEstimation of relatedness in natural populations using highly polymorphic genetic markersP CapyJFY ... with those of Lynch (1989) in Lewin R (1989) Limits to DNA fingerprinting. Science 243, 1549-1551Lynch M (1988) Estimation of relatedness by DNA fingerprinting. Mol Biol...
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Báo cáo sinh học: " Estimation of genetic parameters for body weight traits in squab pigeons" pdf
... different weight gains wereeither zero or negative ranging from -0.23 to -0.49. Original article Estimation of genetic parameters for body weight traits in squab pigeonsSE ... correlations of body weight traits in squabs fromhatch till 4 wk of age.MATERIALS AND METHODSThe squabs used in this study were the progeny of White King by Silver King crossparents. ... examined. After 2 wk of age, additive genetic variancewas associated with body weight increases, indicating that after this age the body weight of squabs is influenced by their...
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