Single and double layer centrifugation improve the quality of cryopreserved bovine sperm from poor quality ejaculates

[1] Morrell JM(2009)Biometric techniques for improving sperm quality in animal breeding: a review Open Androl 1 1-9

[2] Rodriguez-Martinez H(1983)The neglected laboratory test. The semen analysis J Androl 4 280-2

[3] Chong AP(1988)Computer-assisted semen analysis: evaluation of method and assessment of the influence of sperm concentration on linear velocity determination Fertil Steril 49 510-5

[4] Walters CA(1992)Objective semen analysis: has the target been reached? Hum Reprod 7 237-41

[5] Weinried SA(2002)Use of the sperm quality analyzer (SQA II-C) for the assessment of dog sperm quality Reprod Domest Anim 37 158-63

[6] Vantman D(1997)Evaluation of sperm damage and techniques for sperm clean-up Reprod Fertil Dev 9 297-308

[7] Koukoulis G(2004)Does cleansing of frozen-thawed bull semen before assessment provide samples that relate better to potential fertility? Theriogenology 62 702-13

[8] Dennison L(2009)In vitro fertilizing capacity of frozen-thawed bull spermatozoa selected by single-layer (glycidoxypropyltrimethoxysilane) silane-coated silica colloidal centrifugation Reprod Domest Anim 44 390-4

[9] Zinaman M(2006)Update on semen technologies for animal breeding Reprod Domest Anim 41 63-7

[10] Sherins RJ(2012)Iodixanol density gradient centrifugation for selecting stallion sperm for cold storage and cryopreservation Anim Reprod Sci 133 184-90

[1] Morrell JM(2009)Biometric techniques for improving sperm quality in animal breeding: a review Open Androl 1 1-9

[2] Rodriguez-Martinez H(1983)The neglected laboratory test. The semen analysis J Androl 4 280-2

[3] Chong AP(1988)Computer-assisted semen analysis: evaluation of method and assessment of the influence of sperm concentration on linear velocity determination Fertil Steril 49 510-5

[4] Walters CA(1992)Objective semen analysis: has the target been reached? Hum Reprod 7 237-41

[5] Weinried SA(2002)Use of the sperm quality analyzer (SQA II-C) for the assessment of dog sperm quality Reprod Domest Anim 37 158-63

[6] Vantman D(1997)Evaluation of sperm damage and techniques for sperm clean-up Reprod Fertil Dev 9 297-308

[7] Koukoulis G(2004)Does cleansing of frozen-thawed bull semen before assessment provide samples that relate better to potential fertility? Theriogenology 62 702-13

[8] Dennison L(2009)In vitro fertilizing capacity of frozen-thawed bull spermatozoa selected by single-layer (glycidoxypropyltrimethoxysilane) silane-coated silica colloidal centrifugation Reprod Domest Anim 44 390-4

[9] Zinaman M(2006)Update on semen technologies for animal breeding Reprod Domest Anim 41 63-7

[10] Sherins RJ(2012)Iodixanol density gradient centrifugation for selecting stallion sperm for cold storage and cryopreservation Anim Reprod Sci 133 184-90