References
- Snoj T, Kobal S, Majdic G. Effects of season, age, and breed on semen characteristics in different Bos taurus breeds in a 31-year retrospective study. Theriogenology 2013;79:847-52. https://doi.org/10.1016/j.theriogenology.2012.12.014
- Sabes-Alsina M, Johannisson A, Lundeheim N, Lopez-Bejar M, Morrell JM. Effects of season on bull sperm quality in thawed samples in northern Spain. Vet Rec 2017;180:251. http://dx.doi.org/10.1136/vr.103897
- Valeanu S, Johannisson A, Lundeheim N, Morrell JM. Seasonal variation in sperm quality parameters in Swedish red dairy bulls used for artificial insemination. Livest Sci 2015;173:111-8. https://doi.org/10.1016/j.livsci.2014.12.005
- Bhakat M, Mohanty TK, Raina VS, et al. Effect of age and season on semen quality parameters in Sahiwal bulls. Trop Anim Health Prod 2011;43:1161-8. https://doi.org/10.1007/s11250-011-9817-1
- Mandal DK, Nagpaul PK, Gupta AK. Seasonal variation in seminal attributes and sexual behaviour of Murrah buffalo bulls. Indian J Dairy Sci 2000;53:278-83.
- Bhakat M, Mohanty TK, Gupta AK, Raina VS. Effect of season and management on semen quality of breeding bulls-a review. Agric Rev 2009;30:79-93.
- Brito LFC, Silva AEDF, Rodrigues LH, Vieira FV, Deragon LAG, Kastelic JP. Effects of environmental factors, age and genotype on sperm production and semen quality in Bos indicus and Bos taurus AI bulls in Brazil. Anim Reprod Sci 2002;70:181-90. https://doi.org/10.1016/S0378-4320(02)00009-X
- Koivisto MB, Costa MTA, Perri SHV, Vicente WRR. The Effect of season on semen characteristics and freezability in Bos indicus and Bos taurus bulls in the southeastern region of Brazil. Reprod Domest Anim 2009;44:587-92. https://doi.org/10.1111/j.1439-0531.2008.01023.x
- Morrell JM, Johannisson A, Dalin A-M, Rodriguez-Martinez H. Single-layer centrifugation with Androcoll-E can be scaled up to allow large volumes of stallion ejaculate to be processed easily. Theriogenology 2009;72:879-84. https://doi.org/10.1016/j.theriogenology.2009.05.015
- Thys M, Vandaele L, Morrell JM, et al. In vitro fertilizing capacity of frozen‐thawed bull spermatozoa selected by single‐layer (Glycidoxypropyltrimethoxysilane) silane‐coated silica colloidal centrifugation. Reprod Domest Anim 2009;44:390-4. https://doi.org/10.1111/j.1439-0531.2008.01081.x
- Nongbua T, Johannisson A, Edman A, Morrell JM. Effects of single layer centrifugation (SLC) on bull spermatozoa prior to freezing on post‐thaw semen characteristics. Reprod Domest Anim 2017:52:596-602. https://doi.org/10.1111/rda.12954
- Goodla L, Morrell JM, Yusnizar Y, Stalhammar H, Johannisson A. Quality of bull spermatozoa after preparation by single-layer centrifugation. J Dairy Sci 2014;97:2204-12. https://doi.org/10.3168/jds.2013-7607
- Koonjaenak S, Pongpeng P, Wirojwuthikul S, Johannisson A, Kunavongkrit A, Rodriguez-Martinez H. Seasonality affects post-thaw plasma membrane intactness and sperm velocities in spermatozoa from Thai AI swamp buffaloes (Bubalus bubalis). Theriogenology 2007;67:1424-35. https://doi.org/10.1016/j.theriogenology.2007.02.010
- Koonjaenak S, Chanatinart V, Aiumlamai S, Pinyopumimintr T, Rodriguez-Martinez H. Seasonal variation in semen quality of swamp buffalo bulls (Bubalus bubalis) in Thailand. Asian J Androl 2007;9:92-101. https://doi.org/10.1111/j.1745-7262.2007.00230.x
- Koonjaenak S, Chanatinart V, Ekwall H, Rodriguez-Martinez H. Morphological features of spermatozoa of swamp buffalo AI bulls in Thailand. J Vet Med A 2007;54:169-78. https://doi.org/10.1111/j.1439-0442.2007.00895.x
- Koonjaenak S, Johannisson A, Pongpeng P, Wirojwuthikul S, Kunavongkrit A, Rodriguez-Martinez H. Seasonal Variation in Nuclear DNA Integrity of Frozen-Thawed Spermatozoa from Thai AI Swamp Buffaloes (Bubalus bubalis). J Vet Med A 2007;54:377-83. https://doi.org/10.1111/j.1439-0442.2007.00946.x
- Suriyasomboon A, Lundeheim N, Kunavongkrit A, Einarsson S. Effect of temperature and humidity on sperm production in Duroc boars under different housing systems in Thailand. Livest Prod Sci 2004;89:19-31. https://doi.org/10.1016/j.livprodsci.2003.12.008
- Suriyasomboon A, Lundeheim N, Kunavongkrit A, Einarsson S. Effect of temperature and humidity on sperm morphology in Duroc Boars under different housing systems in Thailand. J Vet Med Sci 2005;67:777-85. https://doi.org/10.1292/jvms.67.777
- National Research Council. A guide to environmental research on animals. Washington, DC, USA: National Academy of Sciences; 1971.
- Morrell JM, Johannisson A, Strutz H, Dalin AM, Rodriguez-Martinez H. Colloidal Centrifugation of stallion semen: changes in sperm motility, velocity, and chromatin integrity during storage. J Equine Vet Sci 2009;29:24-32. https://doi.org/10.1016/j.jevs.2008.11.006
- Lagerlof N. Morphological studies on the change in sperm structure and in the testes of bulls with decreased or abolished fertility. Acta Pathol Microbiol Scand 1934;19:254-67.
- Williams W. Technique of collecting semen for laboratory examination with a review of several diseased bulls. Cornell Vet 1920;10:87-94.
- Soderquist L, Janson L, Larsson K, Einarsson S. Sperm morphology and fertility in A.I. bulls. J Vet Med A 1991;38:534-43. https://doi.org/10.1111/j.1439-0442.1991.tb01045.x
- Morrell JM, Johannisson A, Dalin A-M, Hammar L, Sandebert T, Rodriguez-Martinez H. Sperm morphology and chromatin integrity in Swedish warmblood stallions and their relationship to pregnancy rates. Acta Vet Scand 2008;50:2. https://doi.org/10.1186/1751-0147-50-2
- Evenson DP, Larson KL, Jost LK. Sperm chromatin structure assay: its clinical use for detecting sperm dna fragmentation in male infertility and comparisons with other techniques. J Androl 2002;23:25-43. https://doi.org/10.1002/j.1939-4640.2002.tb02599.x
- Cossarizza A, Baccarani-Contri M, Kalashnikova G, Franceschi C. A new method for the cytofluorimetric analysis of mitochondrial membrane potential using the J-aggregate forming lipophilic cation 5,5',6,6'-tetrachloro-1,1',3,3'-tetraethylbenz imidazolcarbocyanine iodide (JC-1). Biochem Biophys Res Commun 1993;197:40-5. https://doi.org/10.1006/bbrc.1993.2438
- Nichi M, Bols PEJ, Zuge RM, et al. Seasonal variation in semen quality in Bos indicus and Bos taurus bulls raised under tropical conditions. Theriogenology 2006;66:822-8. https://doi.org/10.1016/j.theriogenology.2006.01.056
- Morrell JM, Johannisson A, Dalin AM, Rodriguez‐Martinez H. Morphology and chromatin integrity of stallion spermatozoa prepared by density gradient and single layer centrifugation through silica colloids. Reprod Domest Anim 2009;44:512-7. https://doi.org/10.1111/j.1439-0531.2008.01265.x
- Al-Makhzoomi A, Lundeheim N, Haard M, Rodriguez-Martinez H. Sperm morphology and fertility of progeny-tested AI dairy bulls in Sweden. Theriogenology 2008;70:682-91. https://doi.org/10.1016/j.theriogenology.2008.04.049
- Farrell PB, Presicce GA, Brockett CC, Foote RH. Quantification of bull sperm characteristics measured by computer-assisted sperm analysis (CASA) and the relationship to fertility. Theriogenology 1998;49:871-9. https://doi.org/10.1016/S0093-691X(98)00036-3
- Michos I, Basioura A, Boscos C, Tsakmakidis I. Proper use and impact of computer assisted semen analysis' technique on semen evaluation of farm animals. J Hellenic Vet Med Soc 2013;64:267-74. https://doi.org/10.12681/jhvms.15506
- Oliveira LZ, de Arruda RP, de Andrade AFC, et al. Assessment of field fertility and several in vitro sperm characteristics following the use of different Angus sires in a timed-AI program with suckled Nelore cows. Livest Sci 2012;146:38-46. https://doi.org/10.1016/j.livsci.2012.02.018
- Morrell JM, Richter J, Martinsson G, et al. Pregnancy rates after artificial insemination with cooled stallion spermatozoa either with or without single layer centrifugation. Theriogenology 2014;82:1102-5. https://doi.org/10.1016/j.theriogenology.2014.07.028
Cited by
- The impact of regular sperm donation on bulls’ seminal plasma hormonal profile and phantom response vol.11, pp.1, 2021, https://doi.org/10.1038/s41598-021-90630-8