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 highly positive. Genetic parameters for first lactation dairy traits in Friesian, Montbéliarde and Normande breeds D. BOICHARD B. ... sire and belonging to one of the three main French breeds : Friesian, Normande and Montbeliarde. The analysis was conducted on 2 years of recording...

Ngày tải lên: 09/08/2014, 22:22

... the main, or the only, joining season in spring, just before transhumance to 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 mating period in April. 2.2. Blood sampling and hormone assay In order to specifically examine the sponta...

Ngày tải lên: 09/08/2014, 18:21

... an intercept, linear regression coefficient and residual standard deviation of the fit for individual pigs in a multivariate analysis. For both intercept and linear Random regression for feed intake ... period, and constant or lower feed intake towards the end, would involve the second (for increasing feed intake in the beginning), as well as the first eigenfunction (for decrea...

Ngày tải lên: 09/08/2014, 18:21

Ngày tải lên: 09/08/2014, 18:21

... Midatest and 3 at Oger). These sires were previously in station performance tested and were selected on an index 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 artificial insemination is based on...

Ngày tải lên: 09/08/2014, 22:23

... Coefficients of heritability 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 ... R ENAND G., 1982. Comparisons between fattening and slaughter performance of Charolais, Limousin, Maine-Anjou and Hereford breeds according to various produ...

Ngày tải lên: 09/08/2014, 22:23

... of grain angle on ring number from pith and the grain angle of Genetic parameters for spiral grain 555 Figure 3. Mean grain angle per annual ring across trials and clonal means per ring for three ... two innermost rings, above 0.8 (table II). The expected correlated response in mean grain angle of rings 3 to 15 following indirect selection for grain angle of the individual rings...

Ngày tải lên: 08/08/2014, 14:20

... risk of reducing wood quality in Douglas fir, for structural uses as well as for pulping. Before breeding for pulping traits, emphasis may be also given to the log segregation, by defining Douglas ... was carried out by determinating the cellulose and lignin contents. Sampling was per - formed by cutting a slice from each stem and, after milling in a Wiley mill, collecting the 4...

Ngày tải lên: 08/08/2014, 14:20

... preferred to leaves for enzyme extraction. Buds were sampled during the 1987-1988 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 an...

Ngày tải lên: 09/08/2014, 03:24

... differences for several enzyme systems among P avium clones. P avium 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 or duke cherries were found in 3 enzym...

Ngày tải lên: 09/08/2014, 03:24