Use of colloidal silica as an aid in sperm selection for canine semen cryopreservation

Submitted by Zélia Fernandes Ferreira Miranda (zelia.miranda@unifenas.br) on 2019-08-12T20:27:16Z No. of bitstreams: 1 Hugo Pieve Darcádia.pdf: 1383481 bytes, checksum: c544a676c17dfb33a1f27843319284aa (MD5) Made available in DSpace on 2019-08-12T20:27:17Z (GMT). No. of bitstreams: 1 Hugo Pieve Darcádia.pdf: 1383481 bytes, checksum: c544a676c17dfb33a1f27843319284aa (MD5) Previous issue date: 2017-07-10 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES This study aimed to compare the canine semen characteristics after thawing of a semen centrifuged conventionally and in colloidal silica. 36 semen samples from six healthy dogs were evaluated about the motility, vigor, concentration, morphology and hyposmotic test. The ejaculate was divided into two equal fractions and centrifuged in colloidal silica and by the conventional method and subsequently cryopreserved. The centrifuged semen presented similar results (p