In this research, estimation of genetic parameters for milk production trait was performed by using collected data from 1991 to 2010 in Iranian Holstein dairy cattle. Genetic parameters were estimated by MATVEC Microsoft, using animal model, with univariate and multivariate analysis. The data set were including 161328, 123369 and 81013 records for first, second and third lactations, respectivel...

abstract this study evaluated and compared medical terminology and english for the students of medicine (ii) as two representatives of the textbooks available on the iranian market for teaching english to the students of medicine. this research was performed on the basis of a teacher’s and a number of students’ attitudes and the students’ needs analysis for two reasons: first, to investigate...