báo cáo khoa học: "Genetic parameters for first lactation dairy traits in Friesian, Montbéliarde and Normande breeds" ppsx
báo cáo khoa học: "Genetic parameters for first lactation dairy traits in Friesian, Montbéliarde and Normande breeds" ppsx
... between corrected yield and lactation length remained highlypositive.Genetic parameters for first lactation dairy traits in Friesian, Montbéliarde and Normande breedsD. BOICHARDB. ... sire and belonging to one ofthe three main French breeds : Friesian, Normande and Montbeliarde.The analysis was conducted on 2 years of recording in Normande (calving ... (milk yield, fat and protein yields, fat and protein contents) were estimated in the 3 main French breeds by HENDERSON’S method III. In the Normande and Montbéliarde breeds,...
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Báo cáo khoa hoc:" Genetic parameters of spontaneous spring ovulatory activity in Mérinos d’Arles sheep Hanocq Loys Bodin Jacques Thimonier Jacques Teyssier Benoit Malpaux Philippe Chemineau " pptx
... the main, or the only, joining season in spring, just before transhumanceto the Alpine mountains in summer. In the experimental flock of the Domaine du Merle, M6rinos ... was recorded after weaning in January and just before the matingperiod in April.2.2. Blood sampling and hormone assay In order to specifically examine the spontaneous ovulatory ... variationThe change in live weight between the drying-off in January and the weigh-ing period in April just before mating, the interaction between live weight and age, the number...
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Báo cáo khoa hoc:"Genetic parameters of a random regression model for daily feed intake of performance tested French Landrace and Large White growing pigs" pptx
... an intercept, linear regression coefficient and residual standard deviation ofthe fit for individual pigs in a multivariate analysis. For both intercept and linearRandom regression for feed intake ... period, and constant or lower feed intake towards theend, would involve the second (for increasing feed intake in the beginning), aswell as the first eigenfunction (for decreasing feed intake ... and Pedersen [1] included random effects for intercept, linear and quadratic regression coefficients only, when fitting a cubic polynomial in dayson test for cumulated feed intake. The resulting...
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báo cáo khoa học: "Genetic parameters of French beef breeds used in crossbreeding for young bull production" pps
... Midatest and 3 at Oger).These sires were previously in station performance tested and were selected on anindex combining their growth rate and fleshiness score. In both ... races à viande, performances en vif.I. Introduction In France, the selection of beef breed sires used in terminal crossing by artificialinsemination is based on integrated ... al. (1982) in Charolais,Limousin and Blond d’Aquitaine breeds in terminal crossing. Moreover, consideringthe respective heritabilities of birth condition score and weight,...
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báo cáo khoa học: "Genetic parameters of french beef breeds used in crossbreeding for young bull production II. - Slaughter performance" doc
... Coefficients ofheritability were .54 and .50 for carcass fat and muscle contents, .33 for rib eye area,.30 for shearing force, .11 for pH and .08 for water loss. The genetic ... RENAND G., 1982. Comparisonsbetween fattening and slaughter performance of Charolais, Limousin, Maine-Anjou and Hereford breeds according to various production. 2nd World Congress ... criteria and carcass fatcontent showed that a selection against fatness should result in an increase in pH(rg = - .51), and in water loss (rg = - .35). Thus, except for...
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Báo cáo khao học: "Genetic parameters for spiral-grain angle in two 19-year-old clonal Norway spruce trials" potx
... ofgrain angle on ring number from pith and the grain angle ofGenetic parameters for spiral grain 555Figure 3. Mean grain angle per annual ring across trials and clonalmeans per ring for three ... two innermost rings, above0.8 (table II). The expected correlated response in mean grainangle of rings 3 to 15 following indirect selection for grainangle of the individual rings is shown in ... straight angle in the followingrings. Selection based on any of the rings in the interval from ring numbers 5 to 10 was most efficient in decreasing the average grain spirality atthe sampling level...
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Báo cáo khoa học: "Genetic selection within Douglas fir (Pseudotsuga menziesii) in Europe for papermaking use" pot
... risk of reducing wood quality in Douglas fir, for structural uses as well as for pulping.Before breeding for pulping traits, emphasis may be alsogiven to the log segregation, by defining Douglas ... was carried out bydeterminating the cellulose and lignin contents. Sampling was per-formed by cutting a slice from each stem and, after milling in aWiley mill, collecting the 40–60 mesh wood ... (affecting Kraft pulping yield, and in -creasing the COD of the bleaching effluents in the TMP pro-cess) or orientating Douglas fir sawing chips towards paperproducts requiring high tear index,...
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Báo cáo khoa học: "Genetic markers for Prunus avium L: inheritance and linkage of isozyme loci" ppsx
... preferred to leaves for enzymeextraction. Buds were sampled during the1987-1988 winter. The samplings were made in the original stands in Normandy and Bavaria on 15 to ... en-vironmental influence-free traits. Co-dominant, simply-inherited and mapped traits are useful for various purposes,such as the analysis of natural varia-bility and of mating systems, ... and maintained for 5 h (AMY) or increased to 350 V and main-tained for 6 h (GOT, ME). The temperatureof the electrolytic buffer was kept at 4 to6 °C using a cooler.The...
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Báo cáo khoa học: "Genetic markers for Prunus avium L. 2. Clonal identifications and discrimination from P cerasus and P cerasus x P avium" potx
... differences for several enzymesystems among P avium clones. Pavium and P cerasus may be distin-guished according to peroxidase and protein banding patterns (Feucht and Schmid, ... supplied to French nurseries in 1988, 2 pairs remain indistinguishable. Keys for distinguishing wild cherries from sour orduke cherries were found in 3 enzyme systems (ACP, ... clone labelling in clonal seedorchards (which supply seeds for for- estry plantations) and of clonal varie-ties (for forestry or fruit production).The 3rd interest of...
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