%0 Journal Article %T Evaluaci¨®n del semen canino, sometido a congelaci¨®n con diferentes concentraciones de glicerol como crioprotector %A Uribe Valderrama %A Rub¨¦n %A Arango Rodr¨ªguez %A Mar¨ªa Elena %A Rend¨®n ¨¢lvarez %A Laura %A Acevedo Naranjo %A Carlos Mauricio %J CES Medicina Veterinaria y Zootecnia %D 2011 %I Universidad CES %X the study of biotechnology used in canines for reproductive purposes, is a of the principal research study points to the area of veterinary medicine in last years28. in the objective to evaluate the effect of three different concentrations of glycerol on canine semen, to subjected cryo-preservation process, were obtained using manual manipulation, 12 semen samples of male labrador clinically healthy and subject to the same driving conditions. each sample was divided in four treatments (ti: control, t2: 4%, t3: t4 6% and 8% glycerol), to which they evaluated the volume, ph, motility, concentration, morphology and vitality, respectively. then in the analysis were determined after thawing seminal differences and its relationship to the concentration of cryoprotectant. from the results obtained in this project are significant differences between the variables morphology, mortality and concentration, also established that t2 (4% glycerol) and t3 (6% glycerol) provide better results for freezing semen canines. %K canine semen %K cryopreservation %K glycerol %K seminal viability. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S1900-96072011000100003&lng=en&nrm=iso&tlng=en