Báo cáo sinh học: "Multivariate restricted maximum likelihood estimation of genetic parameters for growth, carcass and meat quality traits in French Large White and French Landrace pigs A Ducos JP Bidanel V" ppsx

... article Multivariate restricted maximum likelihood estimation of genetic parameters for growth, carcass and meat quality traits in French Large White and French Landrace pigs A Ducos JP ... are computationally much more demanding than standard RE1!IL and are currently intractable in applications such as the present one. Ge...

Ngày tải lên: 14/08/2014, 19:22

... estimates of population genetic parame- ters and BVs. For example, it may be beneficial to undertake a joint estimation of genetic parameters for reproductive and growth traits ... study was based on data from three selected strains of turkeys, referred to as strains A, B and C. Strains A and B are female lines. Strain C is...

Ngày tải lên: 09/08/2014, 18:22

... univariate analyses. Unfortunately, the computational burden involved by a multivariate analysis for t traits is far greater than for t uni- variate analyses. As detailed in ... based. Better use of the available information results in greater accuracy and reduces systematic biases in estimates of population genetic parame- ters and BV...

Ngày tải lên: 09/08/2014, 18:22

... the transformed data was first calculated and, after back transformation, the information matrix I of the original data was obtained as it can be showed that: where D ... lactations are made at various ages and physiological status of the animals and may therefore be determined somewhat by different genes. The accuracy of the genetic ev...

Ngày tải lên: 14/08/2014, 20:20

... fewer animals involved, each concentrating more information, as for instance in the reduced ani- mal model (Quaas and Pollack, 1980). In that case, the ratio u A- l u/tr (A- iC 22 ) would ... Pollack EJ, Quaas RL (1987) Estimation of variance and covariance components to determine heritabilities and repeatability of weaning weight in Amer...

Ngày tải lên: 14/08/2014, 20:20

... the following standard assumptions. (A1 ) Information symbols, channel realization, and noise samples are statistically independent. (A2 ) The channel’s paths are statistically independent (uncorrelated ... the stages of calculating T 1,n and T 3,n are more computationally complex than the stages of calculating T 2 and T 4 ,respectively .For( 12), it can be seen that the second st...

Ngày tải lên: 21/06/2014, 16:20

... data in the nth inter val using the gain estimates in the previous interval. We assume that we have all the signal samples available up to the nth interval and the channel gain estimates are available ... distributed random variables. A. 1. ML gain estimates Since η cn and η sn samples are Gaussian distributed random variables, so if we assume that all the data and gain samples are...

Ngày tải lên: 22/06/2014, 23:20

... NotI) ATA AGA ATG CGG CCG CGA CCC AGA GCA CAG AGC ATC GT ([R] containing AgeI) TGT ACC GGT GAA TTC AAG GAG CCT GCT. The cTnC construct was created by amplifying human genomic DNA: ([F] containing ... chain 2 (MLC-2) and human cardiac troponin C (cTnC) (Figure 1A) . Each promoter-LacZ construct was flanked by the inverted terminal repeats of AAV2 and packaged into the AAV9 capsid to yi...

Ngày tải lên: 14/08/2014, 19:22

... Gustafsson H, Gunnarsson A, Kindahl H. Clinical and bacteriological aspects on the use of oxytetracycline and flunixin in primiparous cows with induced retained placenta and post-partal endometritis. ... days of lactation. Modelling process Statistical analyses of OC and ΔBCS data were carried out using a linear logistic model with a binary response variable, which wa...

Ngày tải lên: 07/08/2014, 23:22

... canonical transformation of the data can be applied (eg, Meyer, 1985) because all traits are animals with similar characteristics (full-sibs, same sire and maternal grandsire, half-sibs) ... computing cost for the determination of the eigenvalues of the tridiagonal matrices Tk increased quadratically with k and was always much larger than th...

Ngày tải lên: 09/08/2014, 18:22