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

... either among clones or among parents and their offsprings. The flushing period 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 poplar growing or of parents for the next breeding generation. A breeding strategy has now to be defi...

Ngày tải lên: 09/08/2014, 02:21

... article Estimation of variance components of threshold characters by marginal posterior modes and means via Gibbs sampling I Hoeschele B Tier Virginia Polytechnic Institute and State ... model. The marginal posterior mode of heritability was computed by a grid search of the Rao-Blackwell estimate (eg, Gelfand et al, 1990) of th...

Ngày tải lên: 09/08/2014, 18:22

... Original article Prediction 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...

Ngày tải lên: 09/08/2014, 18:22

... history of selection for body weight. In addition, the summary of Chambers was 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 experiment derived from a line that had a long history of selection for body weight, one could...

Ngày tải lên: 09/08/2014, 18:22

... 1A 10 and 6A to 1A are overrepre- sented among patients who died at 28 or 90 days. By contrast, 6A 3 and 6A 3 to 1A 1 areprotectiveagainst 28-day and 90-day mortality. Additional material Additional ... Particularly, 1A 10 and 6A- 1A were overrepresented among patients who die d at 28 or 90 day s, and they also predisposed to MODS and ARDS respectively. Likewise, 6A...

Ngày tải lên: 14/08/2014, 07:21

... 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 PEV exact thereby 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 dif...

Ngày tải lên: 14/08/2014, 13:21

... simulating the population structure, helped during programming and integrating of software packages MIX and ASREML and also checked programs and results. GT participated 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 Sci 2008, 91:2520-252...

Ngày tải lên: 14/08/2014, 13:21

... work is properly cited. Research Estimation of relatedness among non-pedigreed Yakutian cryo-bank bulls using molecular data: implications for conservation and breed management Ilma Tapio 1 , ... the mean molecular coancestry for the whole Yakutian cattle population (60 individuals), for the all the bulls (23 bulls comprising the six cryo-bank b...

Ngày tải lên: 14/08/2014, 13:21

... affecting clutch length. Selection on clutch length in layers 233 4.2. Phenotypic trends, selection response, and the effect of the NA gene Selection for average clutch length in the dwarf laying ... 2003 DOI: 10.1051/gse:2003005 Original article Estimation of genetic variability and selection response for clutch length in dwarf b...

Ngày tải lên: 14/08/2014, 13:22

... in vitro estimation of the proportion of unbalanced gametes in the semen of animals carrying the rearrangements. Different technical approaches initially 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...

Ngày tải lên: 14/08/2014, 13:22

... 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 fiel...

Ngày tải lên: 14/08/2014, 19:22

... Original article Estimation of crossbreeding parameters between Large White and Meishan porcine breeds. III. Dominance and epistatic components of heterosis on reproductive traits JP ... objective of this study was to estimate dominance and epistatic components of heterosis effects relative to the cross between Meishan an...

Ngày tải lên: 14/08/2014, 19:22

... Assessment of inbreeding by DNA fingerprinting: development of a calibration curve using defined strains 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 article Estimation of relatedness in natural populations using highly polymorphic gen...

Ngày tải lên: 14/08/2014, 20:20

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Ngày tải lên: 14/08/2014, 20:20

... different weight gains were either zero or negative ranging from -0.23 to -0.49. Original article Estimation of genetic parameters for body weight traits in squab pigeons SE ... correlations of body weight traits in squabs from hatch till 4 wk of age. MATERIALS AND METHODS The squabs used in this study were the progeny of Whi...

Ngày tải lên: 14/08/2014, 20:20