Báo cáo sinh học: " The effect of alternative mating designs and selection strategies on adult multiple ovulation and embryo " pdf

... in response with 4 sons per dam was quite small. Original article The effect of alternative mating designs and selection strategies on adult multiple ovulation and embryo transfer ... combination of within sibship selection with the use of factorial designs or sibship selection, will depend on the selection objectives and t...

Ngày tải lên: 14/08/2014, 20:20

... detecting the linkage by use of these designs has been shown to be a function of the recombination fraction (r) and the basic genetic parameters at the QTL, mamely the allelic ... determine the power of the test directly, contrary to a traditional F-test when the null hypothesis is false. However, under the assumption of consta...

Ngày tải lên: 14/08/2014, 19:22

... selection) ; 3) genetic selection differentials (difference between the mean values of selection criteria of selected individuals and candidates for selection) and selection intensities ... selection intensity of females increases as the proportion of female offspring increases. However, at the same time, there is a reduction in the s...

Ngày tải lên: 09/08/2014, 18:22

... problem in the recognition of responsiveness is a knowledge of its genetic control, which should be independent of the genetic control of the trait itself. One solution to ... (HR) and low (LR) responsiveness of egg production to the conditioning of the medium were employed in crosses designed to determine the direction of dominan...

Ngày tải lên: 09/08/2014, 22:23

... context, and on this basis we would recommend questions from the Columbia Jet Lag scale, and a selection of the scales from the SF-36 questionnaire, for future evaluation of lighting conditions. Knowledge ... in the intervention arm. Certainly the direction of observed changes within the control arm was often in the same direction as that seen within the interven...

Ngày tải lên: 10/08/2014, 09:20

... revision of the manuscript. LDH participated in study conceptualisation and helped draft the manuscript. GDR participated in study design and conceptualisation, data collection, interpretation of the results ... design and conceptual- isation, interpretation of the results and helped in drafting the manuscript. MMT and EC were responsible for data acquisi- tion, stat...

Ngày tải lên: 13/08/2014, 11:23

... scheme, the steady state response to selection depends only on 2 selection pathways, selection of sires to breed nucleus offspring and donors to breed nucleus offspring. The ... the movement of all genes in the whole population, along the given selection pathway and by ageing alone in the whole population (Hill, 1974). The vecto...

Ngày tải lên: 14/08/2014, 19:23

... gene contributions rather than breed contributions, and the fixed effects of these contributions are regarded as correction terms rather than parameters to be estimated. The ... dominance interactions between the two gene regions and the average epistatic effects between each of the two gene regions and the remaining genotype of each...

Ngày tải lên: 14/08/2014, 20:20

... concentrations of Arg-HCl in the absence of the chaperone precluded analysis of the effect of this concentration on the protective ability of aB-crystallin. Reduction-induced aggregation of the insulin ... aggregation. We report that the effect of these additives on the chaperone action of aB-crys- tallin is dependent on the target protein used, and...

Ngày tải lên: 18/02/2014, 16:20

... Electron density of RTA N122A in the vicinity of residue 122. The backbone and sidechains of the N122A substitution are shown as stereo images in thick ball and stick and the position of the Asn122 ... expression levels and, as such, these mutants could not be purified. To assess the effect of substitutions made at each of the arginyl residues on catalytic...

Ngày tải lên: 19/02/2014, 12:20