Báo cáo sinh học: " Genetic parameters for first lactation dairy traits in the Alpine and Saanen goat breeds" docx

... preliminary step for a successful selection for protein, especially since the literature for protein traits has been very sparse in the dairy goat, and in all dairy species until ... since the body weight and the growth rate are larger in the Saanen than in the Alpine. Within-breed genetic parameters A review of the liter...

Ngày tải lên: 14/08/2014, 19:23

... protein yield, while maintaining protein content. A new criterion may be chosen according to the theoretical changes in the different traits. The genetic parameters used for ... much higher in the Holstein strain used in crossbreeding with European Friesian than in pure breeding in North America. The interpretation of these results,...

Ngày tải lên: 09/08/2014, 22:22

... somewhat higher in the Alpine breed and the potential for joint progress in FC and milk and fat yields might be somewhat higher in the Saanen breed: in the Alpine breed, ... acknowledge Caprigene France for financial support and the CTIG for provid- ing the data. Note Genetic parameters of dairy traits in the Alpine...

Ngày tải lên: 09/08/2014, 18:21

... corr is the rank correlation between observed phenotypes and predicted phenotypes or hazard rates, and r 2 = 0.32 for line W1, 0.37 for line WB, and 0.17 for line WF, when using the genetic parameters ... of the three layer lines. Survival curve is shown for the three lines W1, WB, and WF housed in laying house 1 (a) and laying house 2 (b). Table 1 Estimates of...

Ngày tải lên: 14/08/2014, 13:21

... b ∗ in the breast were obtained by the first analysis. In a second step, the estimated heritabilities for the C and H parameters in the breast and their genetic correlations with the other traits as ... because of the high estimated genetic correl- ations between the C and H parameters and the a ∗ and b ∗ parameters. Two distinct analyses were the...

Ngày tải lên: 14/08/2014, 13:22

... indicating whether an animal was infected at the time of sampling. Therefore, instead of using mixture models to determine the infection status [1,11], we were able to analyze SCC, and therefore ... was involved in drafting the manuscript and in the design of the study. BP, HB, and SCB revised critically the manuscript and data. All authors reviewed the manuscript a...

Ngày tải lên: 14/08/2014, 13:21

... produced the least amount of milk which was also the least rich in fat, protein, casein and serum protein contents. As the ewes became older, there was an increase in fat and protein contents and the milk ... milking, selective dry therapy, and culling of ewes with chronic mastitis. Genetic parameters for lactation traits in ewes 595 [33] International Dairy...

Ngày tải lên: 14/08/2014, 13:21

... primarily infected following an intravenous inoculation). From a statistical point of view, the number of bacteria in the spleen is the only trait causing difficulties for the genetic analysis, being ... analysis for a binary trait and a continuous trait under a sire model. As for the normal model, the fixed effects to consider for estimating the genetic parameter...

Ngày tải lên: 14/08/2014, 13:22

... ef- fect, indicating a slower mixing of the chain. Slower mixing of the chain is caused by less information coming from the data. In the case of the covariance between PE-effects, information ... separately, as the number of samples before crossing the mean value of the chain for the second time. The burn -in samples were removed, leaving a “stationary phase” of the...

Ngày tải lên: 14/08/2014, 13:22

... 1991) Summary - Genetic parameters and bull transmitting abilities were estimated for twinning in the Maine-Anjou breed. Twin calving performance was analyzed as a threshold binary ... rates, the production of infertile females and more retained placentas under standard management (Cady and Van Vleck, 1978; Dickerson et al, 1988). On the...

Ngày tải lên: 14/08/2014, 20:20