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MacCallum, C. A., Johnston, S. D. and Blyde, D. (2002). A comparative investigation into the osmotic tolerance of wombat and koala spermatozoa. In: Shille, V. M., Theriogenology. Proceedings of the 28th Annual Conference of the International Embryo Transfer Society, Foz do Iguacu, Brazil, (467-467). 12 January - 15 January. 111  
McClean, R., MacCallum, C., Blyde, D., Hole, W. and Johnston, S. (2006) Actin localisation and the effect of cytochalasin D on the osmotic tolerance of cauda epedidymidal kangaroo spermatozoa. Cryoletters, 27 4: 253-260. 164   2 Cited 3 times in Scopus3
Hogan, Lindsay A., Lisle, Allan T., Johnston, Stephen D., Goad, Tammy and Robertson, Helen (2013) Adult and juvenile sex identification in threatened monomorphic Geocrinia frogs using fecal steroid analysis. Journal of Herpetology, 47 1: 112-118. doi:10.1670/11-290 116   0 Cited 1 times in Scopus1 0
Ward, David G., Blyde, David, Lemon, John and Johnston, Steve (2006) Anesthesia of captive African wild dogs (Lycaon pictus) using a medetomidine-ketamine-atropine combination. Journal of Zoo And Wildlife Medicine, 37 2: 160-164. doi:10.1638/05-037.1 233   2 Cited 2 times in Scopus2 0
Nunez-Calonge, Rocio, Caballero, Pedro, Lopez-Fernandez, Carmen, Andres Guijarro, J., Luis Fernandez, Jose, Johnston, Stephen and Gosalvez, Jaime (2012) An improved experimental model for understanding the impact of sperm DNA fragmentation on human pregnancy following ICSI. Reproductive Sciences, 19 11: 1163-1168. doi:10.1177/1933719112459238 51   6 Cited 7 times in Scopus7 0
Johnston, S. D., MacCallum, C., Blyde, D., McClean, R., Lisle, A. and Holt, W. V. (2006) An investigation into the similarities and differences governing the cryopreservation success of koala (Phascolarctos cinereus: goldfuss) and common wombat (Vombatus ursinus: shaw) spermatozoa. Cryobiology, 53 2: 218-228. doi:10.1016/j.cryobiol.2006.06.001 445   26 Cited 26 times in Scopus26 0
Lee, Kristen E., Ellis, William A.H., Carrick, Frank N., Corley, Sean W., Johnston, Stephen D., Baverstock, Peter R., Nock, Catherine J., Rowe, Kevin C. and Seddon, Jennifer M. (2013) Anthropogenic changes to the landscape resulted in colonization of koalas in north-east New South Wales, Australia. Austral Ecology, 38 3: 355-363. doi:10.1111/j.1442-9993.2012.02414.x 132   3 Cited 2 times in Scopus2 0
Johnston, S. D., O'Boyle, D., Frost, A. J., McGowan, M. R., Tribe, A. and Higgins, D. (1998) Antibiotics for the preservation of koala (Phascolarctos cinereus) semen. Australian Veterinary Journal, 76 5: 335-338. doi:10.1111/j.1751-0813.1998.tb12362.x 79   6 0
Rodger, John C., Paris, Damien B.B.P., Czarny, Natasha A., Harris, Merrilee S., Molinia, Frank C., Taggart, David A., Allen, Camryn D. and Johnston, Stephen D. (2009). Artificial insemination in marsupials. In: Victor M. Shille and L. F. Archibald, Theriogenology. 35th Annual Conference of the International Embryo Transfer Society : Post-conference Satellite Symposium: "Implementation of Artificial Insemination in CANDES”, San Diego, California, USA, (176-189). 7 January 2009. doi:10.1016/j.theriogenology.2008.09.006 134   12 Cited 16 times in Scopus16 0
Tribe, A., Johnston, S.D. and Carrick, F.N. (1994). Artificial reproduction in marsupials. In Australian Wildlife. In: Australian Wildlife: Proceedings of the 110th Postgraduate Committee in Veterinary Science. 110th Postgraduate Committee in Veterinary Science, Sydney, University of Sydney, (78-108). 1994. 69  
Sanchez-Calabuig, M. J., de la Fuente, J., Beltran-Brena, P., Martinez-Nevado, E., Perez-Gutierrez, J. F., Blyde, D., Johnston, S., Harrison, K., Lopez-Fernandez, C. and Gosalvez, J. (2013). Assessment of Fresh and Frozen-Thawed Bottlenose Dolphin (Tursiops Truncatus) Sperm Dna Fragmentation Using the Sperm Chromatin Dispersion Test. In: Proceedings of the Annual Conference of the International Embryo Transfer Society. Annual Conference of the International Embryo Transfer Society, Hannover, Germany, (233-234). 19-20 January 2013. doi:10.1071/RDv25n1Ab170 107   0 0
Zee, Y. P., Allen, C. D., Holt, W. V., Lundie-Jenkins, G., Carrick, F. N. and Johnston, S. D. (2006). Assessment of koala sperm mitochondrial function with JC-1. In: Robertson, S., Proceedings of the Thirty-Seventh Annual Conference of the Society of Reproductive Biology. Thirty-Seventh Annual Conference of the Society of Reproductive Biology, Gold Coast, Qld, (70-70). 20-23 August, 2006. 95  
Johnston, S. D., Nicolson, V., Madden, C., Logie, S., Pyne, M., Roser, A., Lisle, A. T. and D'Occhio, M. (2007) Assessment of reproductive status in male echidnas. Animal Reproduction Science, 97 1-2: 114-127. doi:10.1016/j.anireprosci.2005.12.016 206   7 Cited 6 times in Scopus6 0
Johnston, S.D., McGowan, M.R. and O'Callaghan, P. (1999). Assisted breeding technology for the conservation and propagation of Phascolarctos cinereus or How to make a koala pouch young. In: Proceedings of the Postgraduate Committee in Veterinary Science. Postgraduate Committee in Veterinary Science, Sydney, University of Sydney, (199-217). 1999. 116  
Johnston, S. D. and Holt, W. V. (2001). Assisted breeding technology in the Marsupialia: Using the koala as a reproductive model.. In: First International Symposium on Assisted Reproductive Technology for the Conservation and Genetic Management of Wildlife. Proceedings of the First International Symposium on Assisted Reproductive Technology for the Conservation and Genetic Management of Wildlife, Henry Dooly Zoo, Omaha, Nebraska, (170-177). 17-18 January 2001. 152  
Johnston, S.D., McGowan, M.R., Carrick, F.N., Tribe, A. and Douglas, R. (1993) Assisted reproductive technology in the koala (Phascolarctos cinereus). Assisted Reproductive Technology, 70 117-128. 105  
Hogan, Lindsay A., Johnston, Stephen D., Lisle, Allan T., Keeley, Tamara, Wong, Phoenix, Nicolson, Vere, Horsup, Alan B., Janssen, Tina and Phillips, Clive J. C. (2011) Behavioural and physiological responses of captive wombats (Lasiorhinus latifrons) to regular handling by humans. Applied Animal Behaviour Science, 134 3-4: 217-228. doi:10.1016/j.applanim.2011.07.010 133   7 Cited 8 times in Scopus8 0
D'Occhio, M. J., Hengstberger, K. and Johnston, S. D. (2007) Biology of sperm chromatin structure and relationship to male fertility and embryonic survival. Animal Reproduction Science, 101 1-2: 1-17. doi:10.1016/j.anireprosci.2007.01.005 347   38 Cited 40 times in Scopus40 0
Johnston, S. D., McGowan, M. R. and Blyde, D. (2002) Birth of a Banteng (Bos javanicus) calf at Western Plains Zoo after fixed time artificial insemination. Australian Veterinary Journal, 80 1-2: 94-95. doi:10.1111/j.1751-0813.2002.tb12848.x 118   4 Cited 4 times in Scopus4 0
Johnston, S. D., McGowan, M. R., O'Callaghan, P., Cox, R., Houlden, B., Haig, S. and Taddeo, G. (1999). Birth of koala pouch young following artificial insemination. In: Proceedings of Annual Conference of Australian Society of Reproductive Biologists. Australian Society of Reproductive Biologists, Melbourne, (135). -. 127  
Johnston, S. D., McGowan, M. R., O'Callaghan, P., Cox, R., Houlden, B., Haig, S. and Taddeo, G. (2003) Birth of Koalas Phascolarctos cinereus at Lone Pine Koala Sanctuary following artificial insemination. International Zoo Yearbook, 38 1: 160-172. doi:10.1111/j.1748-1090.2003.tb02076.x 147 327 0
Gosalvez, Jaime, Caballero, Pedro, Lopez-Fernandez, Carmen, Ortega, Leonor, Guijarro, Jose Andres, Fernandez, Jose Luis, Johnston, Stephen D. and Nunez-Calonge, Rocio (2013) Can DNA fragmentation of neat or swim-up spermatozoa be used to predict pregnancy following ICSI of fertile oocyte donors?. Asian Journal of Andrology, 15 6: 812-818. doi:10.1038/aja.2013.74 47   1 Cited 1 times in Scopus1 0
Larsen, J. E., Norman, S.T. and Johnston, S.D. (2004). Can vaginal electrical impedance be used to characterize oestrus and ovulation in the mare?. In: Showcasing Faculty research through our postgraduates. Research Conference Proceedings 2004, Gatton, (8-8). 5th November 2004. 83  
Johnston, S. D., Daddow, L., Carrick, F. N., Jamieson, B. and Smith, L. (2003) Cauda epididymal spermatozoa of the rufous hare wallaby, Lagorchestes hirsutus (Metatheria, Mammalia) imaged by electron and confocal microscopy. Acta Zoologica : morphology and evolution, 84 2: 139-143. doi:10.1046/j.1463-6395.2003.00139.x 88   2 Cited 2 times in Scopus2 0
Leehong, P., Cowan, G., Ward, L.C., Li, X., Al Jassim, R., Bryden, W.L., Murray, P., Pyne, M. and Johnston, S.D. (2008). Changes in fat distribution and body composition in the Short-Beaked Echidna (Tachyglossus aculaetus): A clue to seasonal reproduction?. In: Australian Academic of Sciences Boden Research Conference "Beyond the Platypus Genome", Adelaide, Australia, (). 23-26 November 2008. 139  
Johnston, S. D., O'Callaghan, P., McGowan, M. R. and Phillips, N. J. (1997) Characteristics of koala (Phascolarctos cinereus adustus) semen collected by artificial vagina. Journal of Reproduction and Fertility, 109 2: 319-323. doi:10.1530/jrf.0.1090319 114   15 0
Johnston, S. D., Blyde, D., Gamble, J., Higgins, D., Field, H. and Cooper, J. (1997) Collection and short-term preservation of semen from free-ranging eastern grey kangaroos (Macropus giganteus: Macropodidae). Australian Veterinary Journal, 75 9: 648-651. doi:10.1111/j.1751-0813.1997.tb15362.x 88   8 0
Debbie F. Melville, Elizabeth G. Crichton, Trish Paterson-Wimberley and Johnston, Stephen D. (2008) Collection of semen by manual stimulation and ejaculate characteristics of the Black Flying-Fox (Pteropus alecto). Zoo Biology, 27 2: 159-164. doi:10.1002/zoo.20169 137   3 Cited 4 times in Scopus4 1
de Jong, C. E., Jonsson, N., Field, H., Smith, C., Crichton, E. G., Phillips, N. and Johnston, S. D. (2005) Collection, seminal characteristics and chilled storage of spermatozoa from three species of free-range flying fox (Pteropus spp.). Theriogenology, 64 5: 1072-1089. doi:10.1016/j.theriogenology.2005.02.016 111   12 Cited 14 times in Scopus14 0
Crespo, F., Gosalvez, J., Gutierrez-Cepeda, L., Serres, C. and Johnston, S. D. (2013) Colloidal centrifugation of stallion semen results in a reduced rate of sperm DNA fragmentation. Reproduction in Domestic Animals, 48 2: e23-e25. doi:10.1111/j.1439-0531.2012.02140.x 54   3 Cited 2 times in Scopus2 0
Allen, Camryn D., Burridge, Michelle, Chafer, Mandy L., Nicolson, Vere N., Jago, Sophia C., Booth, Rosemary L., Fraser, Grant, Ensabella, Traza-Jade, Zee, Yeng Peng, Lundie-Jenkins, Geoff, Holt, William V., Lisle, Allan T., Carrick, Frank N., Curlewis, Jonathan D., D'Occhio, Michael J. and Johnston, Stephen D. (2008) Control of the koala (Phascolarctos cinereus) anterior pituitary-godadal axis with analogues of GnRH. Reproduction Fertility And Development, 20 5: 598-605. doi:10.1071/RD07214 107   3 Cited 4 times in Scopus4 0
McClean, R. V. and Johnston, S. D. (2003). Cryopathology of macropod spermatozoa. In: Martin and G.B., Reproduction, Fertility and Development. Society for Reproductive Biology Thirty-fourth Annual Conference, Melbourne, Victora, (51-51). 14-17 September 2003. 61  
McClean, Rhett, Zee, Yeng Peng, Holt, William V. and Johnston, Stephen D. (2008) Cryopreservation of kangaroo spermatozoa using alternative approaches that reduce cycotoxic exposure to glycerol. Cryobiology, 57 3: 304-307. doi:10.1016/j.cryobiol.2008.08.007 79   7 Cited 8 times in Scopus8 0
Holt, W. V., Penfold, L. M., Johnston, S. D., Temple-Smith, P., Shaw, J., McCallum, C., Lindemans, W. and Blyde, D. (1999) Cryopreservation of macropodid spermatozoa: New insights from the cryomicroscope. Reproduction Fertility and Development, 11 6: 345-353. doi:10.1071/RD99076 60   26 0
van der Straten, K. M., Leung, L. K. P., Rossini, R. and Johnston, S. D. (2006) Cryopreservation of spermatozoa of black marlin, Makaira indica (Teleostei : Istiophoredae). Cryoletters, 27 4: 203-209. 66   2 Cited 2 times in Scopus2
Johnston, S.D., Blyde, D., Gamble, J., Higgins, D., Field, H. and Cooper, J. (1996). Developing field methods for the collection and preservation of semen from endangered species of kangaroos. In: Proceedings of the Thirteenth International Conference of Animal Reproduction. Thirteenth International Conference of Animal Reproduction, Rockhampton, Qld, Australia, (9-17). 26-28 June, 1996. 51  
Johnston, S. D., O'Callaghan, P. O. and McGowan, M. (2001). Development of an artificial insemination prorocol in the koala (Phascolarctos cinerus). In: Proceedings of the British Veterinary Zoological Society Autumn Meeting. Zoo & Exotic Diagnostics: British Veterinary Zoological Society Autumn Meeting, Royal Veterinary College, Potters Bar, (31). 10-11 November, 2001. 46  
Enciso, Maria, Johnston, Stephen D. and Gosalvez, Jaime (2011) Differential resistance of mammalian sperm chromatin to oxidative stress as assessed by a two-tailed comet assay. Reproduction Fertility and Development, 23 5: 633-637. doi:10.1071/RD10269 56   8 Cited 8 times in Scopus8 0
Descovich, Kristin A., Lisle, Allan T., Johnston, Stephen, Nicolson, Vere and Phillips, Clive J. C. (2012) Differential responses of captive southern hairy-nosed wombats (Lasiorhinus latifrons) to the presence of faeces from different species and male and female conspecifics. Applied Animal Behaviour Science, 138 1-2: 110-117. doi:10.1016/j.applanim.2012.01.017 70   6 Cited 1 times in Scopus1 0
Zee, Yeng Peng, Holt, William V., Gosalvez, Jaime, Allen, Camryn D., Nicolson, Vere, Pyne, Michael, Burridge, Michelle, Carrick, Frank N. and Johnston, Stephen D. (2008) Dimethylacetamide can be used as an alternative to glycerol for the successful cryopreservation of koala (Phascolarctos cinereus) spermatozoa. Reproduction Fertility and Development, 20 6: 724-733. doi:10.1071/RD08036 137   17 Cited 20 times in Scopus20 0
Johnston, S. D., Lopez-Fernandez, C., Gosalbez, A., Holt, W. V. and Gosalvez, J. (2009) Directional mapping of DNA nicking in ejaculated and cauda epididymidal spermatozoa of the short-beaked echidna (Tachyglossus aculeatus: Monotremata). Reproduction Fertility and Development, 21 8: 1008-1014. doi:10.1071/RD09079 88   3 Cited 5 times in Scopus5 0
Ellis, William, Johnston, Steve, Melzer, Alistair, Carrick, Frank, Pyne, Michael and Fitzgibbon, Sean (2013). Disease and ecology in Central Queensland. In: Conserving Central Queensland’s Koalas. Conserving Central Queensland's Koalas Workshop, Rockhampton, QLD, Australia, (62-69). 1–3 February 2012. 84 4
Santiso, Rebeca, Tamayo, María, Gosalvez, Jaime, Johnston, Steve, Marino, Alfonso, Fernandez, Carlos, Losada, Carlos and Fernandez, Jose Luis (2012) DNA fragmentation dynamics allows the assessment of cryptic sperm damage in human: Evaluation of exposure to ionizing radiation, hyperthermia, acidic pH and nitric oxide. Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis, 734 1-2: 41-49. doi:10.1016/j.mrfmmm.2012.03.006 42   8 Cited 12 times in Scopus12 0
Lopez-Fernandez, C., Crespo, F., Arroyo, F., Fernandez, J. L., Arana, P., Johnston, S. D. and Gosalvez, J. (2007) Dynamics of sperm DNA fragmentation in domestic animals - II. The stallion. Theriogenology, 68 9: 1240-1250. doi:10.1016/j.theriogenology.2007.08.029 201   44 Cited 48 times in Scopus48 0
Cooper, J.W., Johnston, S.D., Blyde, D., Kuiper, Y., McGowan, M.R. and Booth, R. (1996). Effect of glycerol and egg yolk on the motility of Macropus giganteus cauda epididymidal spermatozoa stored at 5oC. In: Proceedings of the Thirteenth International Conference of Animal Reproduction. Thirteenth International Conference of Animal Reproduction, Rockhampton, Qld, Australia, (2-4). 26-28 June, 1996. 40  
Zee, Y. P., Holt, W. V., Allen, C. D., Nicolson, V., Burridge, M., Lisle, A., Carrick, F. N. and Johnston, S. D. (2007) Effects of cryopreservation on mitochondrial function and heterogeneity, lipid raft stability and phosphatidylserine translocation in koala (Phascolarctos cinereus) spermatozoa. Reproduction Fertility And Development, 19 7: 850-860. doi:10.1071/RD07084 168   12 Cited 13 times in Scopus13 0
Garcia-Contreras, Adelfa, De Loera, Yasmin, Garcia-Artiga, Carlos, Palomo, Antonio, Guevara, Jesús A., Herrera-Haro, José, Lopez-Fernandez, Carmen, Johnston, Steve and Gosalvez, Jaime (2011) Elevated dietary intake of Zn-methionate is associated with increased sperm DNA fragmentation in the boar. Reproductive Toxicology, 31 4: 570-573. doi:10.1016/j.reprotox.2010.12.003 60   2 Cited 5 times in Scopus5 0
Hogan, Lindsay A., Lisle, Allan T. and Johnston, Stephen D. (2013) Eliminative behavior of captive numbats, Myrmecobius fasciatus (Mammalia; Marsupialia): pattern and Identification of fecal deposits. Zoo Biology, 32 3: 324-331. doi:10.1002/zoo.21061 79   1 Cited 1 times in Scopus1 0
Wells, R., Kenny, A. L., Duckett, R., Wreford, N. G., Johnston, S. D. and D'Occhio, M. J. (2012) Elucidation of the role of LH and FSH during neonatal testicular development and growth in the boar. Animal Reproduction Science, 137 1-2: 74-81. doi:10.1016/j.anireprosci.2012.11.005 61 1 1 Cited 1 times in Scopus1 0
Holt, W.V. and Johnston, S.D. (1999). Enhanced osmotic tolerance of Koala spermatozoa following treatment with the cytoskeletal disrupting agent, cytochalasin D. In: Proceedings of the Australian Society of Reproductive Biology Annual Conference. 30th Anual Conference of Australian Society for Reproductive Biology, Melbourne, Vic, Australia, (77). 26-29 September, 1999. 42  

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