Báo cáo sinh học: " Estimation of genetic parameters for body weight traits in squab pigeons" pdf

... the different weight gains were either zero or negative ranging from -0.23 to -0.49. Original article Estimation of genetic parameters for body weight traits in squab pigeons SE ... correlations of body weight traits in squabs from hatch till 4 wk of age. MATERIALS AND METHODS The squabs used in this study were the progeny of...

Ngày tải lên: 14/08/2014, 20:20

... Further statistics of the data sets are given in tables I and II. Original article Estimation of genetic parameters of preweaning performance in the French Limousin cattle breed MJ ... the following formula: Direct and maternal parameters for preweaning growth traits Estimates of direct heritabilities of birth and weaning weights and...

Ngày tải lên: 14/08/2014, 19:22

... application of some state -of- the-art techniques which make estimation possible in strains of laying hens with large numbers of birds.

Ngày tải lên: 14/08/2014, 20:20

... used for the French MAS-program, which range from 5 to 40% for individual QTL. Hence, a QTL explaining 20% of the genetic variance in this study is in the scope of findings for MAS programs in ... breeding value. In conse- quence, some proportion of the QTL information is required to compensate this loss of information. The inclusion of yield deviations for dams re...

Ngày tải lên: 14/08/2014, 13:21

... help in reviewing this paper, as well as the staff of the Forest Tree Breeding Laboratory INRA, Orléans, for its technical help in establishing the experiment, maintaining ... clones before estimating genetic parameters involving their offsprings. Genotypic variation among parent- clones Table V gives information on the trait value and variation...

Ngày tải lên: 09/08/2014, 02:21

... mean value for body weight, it appeared necessary to decrease body weight in lines L1 and L2. The females of the first two generations were selected on an index incorporating body weight, with ... selected lines. In a study of inbreeding depression on pro- duction traits of White Leghorns [34], inbreeding tended to reduce egg number and delayed the age at first egg in...

Ngày tải lên: 14/08/2014, 13:22

... (1989), the accuracy of crossbreed- ing parameters estimation can be increased by including the genetic relationships among individuals in the model, ie by using an animal model. ... overparameterized. In some instances, it is of no importance for predicting the average performance of advanced generations of crossings. This is the case...

Ngày tải lên: 14/08/2014, 19:22

... consumption of lactating

Ngày tải lên: 14/08/2014, 20:20

... parity interaction, crossbreeding parameters for preweaning traits were also estimated for each parity. The genetic determination of preweaning traits was mainly of maternal ... respectively. Crossbreeding parameters Crossbreeding parameters for traits measured during the preweaning and growing periods are presented in table IV. Due to the...

Ngày tải lên: 14/08/2014, 20:20

... Journal of NeuroEngineering and Rehabilitation 2011, 8:4 http://www.jneuroengrehab.com/content/8/1/4 Page 3 of 7 for clinical use. This study examined the validity of kinema tic and kinetic variables ... kinetic data including time of crossover in the hip flexion-extension moment and the power burst of hip flexor in the late stance were obtained. The hip flexor index was calcu...

Ngày tải lên: 19/06/2014, 08:20