Although carcass trait selection programs have primarily focused on carcass marbling (quality grade), recent changes in the North American beef industry will very likely increase the economic importance of carcass composition (yield grade). Ultrasound technology is a valuable tool in these efforts. This review summarizes recent research pertaining to the role of ultrasound in improving carcass ...

Introduction: This study was conducted to determine the most importantstrengths and weaknesses of the present evaluation system in Tehran University of Medical Sciences and achieve the main factors to improve this system.Method: It was a mixed method study design in two separate and sequential phases. The first phase was a qualitative step applying a document analysis method to interpret the pr...

introduction: this study was conducted to determine the most important strengths and weaknesses of the present evaluation system in tehran university of medical sciences and achieve the main factors to improve this system. method: it was a mixed method study design in two separate and sequential phases. the first phase was a qualitative step applying a document analysis method to interpret the ...