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Stephen Johnston

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TOP 3
Lindsay A Hogan; Stephen D Johnston; Allan T Lisle; Helen Robertson
Non-invasive assessment of stress in captive numbats, Myrmecobius fasciatus (Mammalia: Marsupialia), using faecal cortisol measurement.
D F Melville; Stephen D Johnston; R R Miller
Flying-fox (Pteropus spp.) sperm membrane fatty acid composition, its relationship to cold shock injury and implications for cryopreservation success.
Erica M Lovas; Lucio J Filippich; Stephen D Johnston
Spermiogenesis in the Australian cockatiel Nymphicus hollandicus.

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All Publications

2012: Lindsay A Hogan; Stephen D Johnston; Allan T Lisle; Helen Robertson
Non-invasive assessment of stress in captive numbats, Myrmecobius fasciatus (Mammalia: Marsupialia), using faecal cortisol measurement.
General and comparative endocrinology 2012;179(3):376-83.
2012: D F Melville; Stephen D Johnston; R R Miller
Flying-fox (Pteropus spp.) sperm membrane fatty acid composition, its relationship to cold shock injury and implications for cryopreservation success.
Cryobiology 2012;65(3):224-9.
2012: Erica M Lovas; Lucio J Filippich; Stephen D Johnston
Spermiogenesis in the Australian cockatiel Nymphicus hollandicus.
Journal of morphology 2012;273(11):1291-305.
2012: Stephen D Johnston; Carmen López-Fernández; Yeng Peng Zee; Jamie Gosálvez
The effect of chilled storage and cryopreservation on the sperm DNA fragmentation dynamics of a captive population of koalas.
Journal of andrology 2012;33(5):1007-15.
2012: L A Hogan; Stephen D Johnston; Allan T Lisle; L Valentine; H Robertson
Non-invasive monitoring of male and female numbat (Myrmecobius fasciatus: Myrmecobiidae) reproductive activity.
Animal reproduction science 2012;133(3-4):237-45.
2012: Stephen D Johnston; Carmen López-Fernández; N Satake; Y Zee; William V Holt; Jaime Gosálvez
Osmotic stress and cryoinjury of koala sperm: an integrative study of the plasma membrane, chromatin stability and mitochondrial function.
Reproduction (Cambridge, England) 2012;143(6):787-97.
2012: D F Melville; G M O'Brien; P Theilemann; E G Crichton; A McKinnon; Stephen D Johnston
Reproductive seasonality and the effect of the GnRH agonist deslorelin as a contraceptive in captive male Black Flying-foxes (Pteropus alecto).
Theriogenology 2012;77(3):652-61.
2011: María Enciso; Stephen D Johnston; Jaime Gosálvez
Differential resistance of mammalian sperm chromatin to oxidative stress as assessed by a two-tailed comet assay.
Reproduction, fertility, and development 2011;23(5):633-7.
2010: Carmen López-Fernández; Stephen D Johnston; José Luis Fernández; R J Wilson; Jaime Gosálvez
Fragmentation dynamics of frozen-thawed ram sperm DNA is modulated by sperm concentration.
Theriogenology 2010;74(8):1362-70.
2010: L A Hogan; C J C Phillips; Allan T Lisle; T Keeley; A B Horsup; T Janssen; Stephen D Johnston
Non-invasive methods of oestrus detection in captive southern hairy-nosed wombats (Lasiorhinus latifrons).
Animal reproduction science 2010;119(3-4):293-304.
2010: L A Hogan; C J C Phillips; A B Horsup; T Keeley; Vere Nicolson; T Janssen; Allan T Lisle; Stephen D Johnston
Monitoring male southern hairy-nosed wombat (Lasiorhinus latifrons) reproductive function and seasonality in a captive population.
Animal reproduction science 2010;118(2-4):377-87.
2010: Camryn D Allen; Deidré L de Villiers; Brett D Manning; David S Dique; Michelle Burridge; Mandy L Chafer; Vere N Nicolson; Sophia C Jago; Allan J McKinnon; Rosemary J Booth; Jeff J McKee; M Pyne; Yeng Peng Zee; Geoff Lundie-Jenkins; Peter Theilemann; Richard J Wilson; Frank N Carrick; Stephen D Johnston
Seasonal reproduction in wild and captive male koala (Phascolarctos cinereus) populations in south-east Queensland.
Reproduction, fertility, and development 2010;22(4):695-709.
2010: E M Lovas; Stephen D Johnston; Lucio J Filippich
Using a GnRH agonist to obtain an index of testosterone secretory capacity in the cockatiel (Nymphicus hollandicus) and sulphur-crested cockatoo (Cacatua galerita).
Australian veterinary journal 2010;88(1-2):52-6.
2010: K Pollock; R Booth; R Wilson; T Keeley; K Grogan; P Kennerley; Stephen D Johnston
Oestrus in the Julia Creek dunnart (Sminthopsis douglasi) is associated with wheel running behaviour but not necessarily changes in body weight, food consumption or pouch morphology.
Animal reproduction science 2010;117(1-2):135-46.
2009: Yeng Peng Zee; Carmen López-Fernández; F Arroyo; Stephen D Johnston; William V Holt; Jaime Gosalvez
Evidence that single-stranded DNA breaks are a normal feature of koala sperm chromatin, while double-stranded DNA breaks are indicative of DNA damage.
Reproduction (Cambridge, England) 2009;138(2):267-78.
2009: Yeng Peng Zee; William V Holt; Vere Nicolson; M Pyne; Stephen D Johnston
Individual variability in post-thaw sperm survival in a captive koala population.
Cryobiology 2009;59(1):69-74.
2009: Stephen D Johnston; Carmen López-Fernández; Altea Gosálbez; William V Holt; Jaime Gosálvez
Directional mapping of DNA nicking in ejaculated and cauda epididymidal spermatozoa of the short-beaked echidna (Tachyglossus aculeatus: Monotremata).
Reproduction, fertility, and development 2009;21(8):1008-14.
2009: K Ballantyne; P Matson; N Noakes; Vere Nicolson; Stephen D Johnston
Reproductive physiology of the female greater bilby (Macrotis lagotis Thylacomyidae): evidence for a male-induced luteal phase.
Reproduction, fertility, and development 2009;21(2):274-82.
2009: John C Rodger; Damien B B P Paris; Natasha A Czarny; Merrilee S Harris; Frank C Molinia; David A Taggart; Camryn D Allen; Stephen D Johnston
Artificial insemination in marsupials.
Theriogenology 2009;71(1):176-89.
2008: Rhett V McClean; Yeng Peng Zee; William V Holt; Stephen D Johnston
Cryopreservation of kangaroo spermatozoa using alternative approaches that reduce cytotoxic exposure to glycerol.
Cryobiology 2008;57(3):304-7.
2008: Rhett V McClean; William V Holt; Yeng Peng Zee; Allan T Lisle; Stephen D Johnston
The effect of cryoprotectant on kangaroo sperm ultrastructure and mitochondrial function.
Cryobiology 2008;57(3):297-303.
2008: Camryn D Allen; Michelle Burridge; Sarah Mulhall; Mandy L Chafer; Vere N Nicolson; M Pyne; Yeng Peng Zee; Sophia C Jago; Geoff Lundie-Jenkins; William V Holt; Frank N Carrick; Jon D Curlewis; Allan T Lisle; Stephen D Johnston
Successful artificial insemination in the koala (Phascolarctos cinereus) using extended and extended-chilled semen collected by electroejaculation.
Biology of reproduction 2008;78(4):661-6.
2008: Yeng Peng Zee; William V Holt; Jaime Gosalvez; Camryn D Allen; Vere Nicolson; M Pyne; Michelle Burridge; Frank N Carrick; Stephen D Johnston
Dimethylacetamide can be used as an alternative to glycerol for the successful cryopreservation of koala (Phascolarctos cinereus) spermatozoa.
Reproduction, fertility, and development 2008;20(6):724-33.
2008: Camryn D Allen; Michelle Burridge; Mandy L Chafer; Vere N Nicolson; Sophia C Jago; Rosemary J Booth; Grant Fraser; Traza-Jade Ensabella; Yeng Peng Zee; Geoff Lundie-Jenkins; William V Holt; Allan T Lisle; Frank N Carrick; Jon D Curlewis; Michael J D'Occhio; Stephen D Johnston
Control of the koala (Phascolarctos cinereus) anterior pituitary-gonadal axis with analogues of GnRH.
Reproduction, fertility, and development 2008;20(5):598-605.
2008: Stephen D Johnston; F C Camacho; L Carrillo; N Guy; J Govea; O Martinez; A Parãs; Allan T Lisle; Michael J D'Occhio
The development of a testosterone stimulation test in the Virginia opossum (Didelphis virginiana) and its use in evaluating deslorelin contraception.
Reproduction, fertility, and development 2008;20(5):563-9.
2008: D J Phillips; A McKinnon; T Keeley; Stephen D Johnston
Testosterone secretion, testicular histology and the cryopreservation of cauda epididymidal spermatozoa in the common ringtail possum (Pseudocheirus peregrinus).
Reproduction, fertility, and development 2008;20(3):391-401.
2007: Stephen D Johnston; B Smith; M Pyne; D Stenzel; W V Holt
One-sided ejaculation of echidna sperm bundles.
The American naturalist 2007;170(6):E162-4.
2007: Carmen López-Fernández; F Crespo; Francisca Arroyo; José Luis Fernández; P Arana; Stephen D Johnston; Jaime Gosálvez
Dynamics of sperm DNA fragmentation in domestic animals II. The stallion.
Theriogenology 2007;68(9):1240-50.
2007: Stephen D Johnston; Carmen López-Fernández; Altea Gosálbez; Yengpeng Zee; William V Holt; Camryn Allen; Jaime Gosálvez
The relationship between sperm morphology and chromatin integrity in the koala (Phascolarctos cinereus) as assessed by the Sperm Chromatin Dispersion test (SCDt).
Journal of andrology 2007;28(6):891-9.
2007: Michael J D'Occhio; K J Hengstberger; Stephen D Johnston
Biology of sperm chromatin structure and relationship to male fertility and embryonic survival.
Animal reproduction science 2007;101(1-2):1-17.
2007: Stephen D Johnston; D Ward; J Lemon; I Gunn; Catriona MacCallum; T Keeley; David Blyde
Studies of male reproduction in captive African wild dogs (Lycaon pictus).
Animal reproduction science 2007;100(3-4):338-55.
2007: Joaquina de la Torre; Carmen López-Fernández; Miguel Pita; José Luis Fernández; Stephen D Johnston; Jaime Gosálvez
Simultaneous observation of DNA fragmentation and protein loss in the boar spermatozoon following application of the sperm chromatin dispersion (SCD) test.
Journal of andrology 2007;28(4):533-40.
2007: Rhett V McClean; William V Holt; Stephen D Johnston
Ultrastructural observations of cryoinjury in kangaroo spermatozoa.
Cryobiology 2007;54(3):271-80.
2007: Yeng Peng Zee; William V Holt; Camryn D Allen; Vere Nicolson; Michelle Burridge; Allan T Lisle; Frank N Carrick; Stephen D Johnston
Effects of cryopreservation on mitochondrial function and heterogeneity, lipid raft stability and phosphatidylserine translocation in koala (Phascolarctos cinereus) spermatozoa.
Reproduction, fertility, and development 2007;19(7):850-60.
2007: Stephen D Johnston; Vere Nicolson; C Madden; S Logie; M Pyne; A Roser; Allan T Lisle; Michael J D'Occhio
Assessment of reproductive status in male echidnas.
Animal reproduction science 2007;97(1-2):114-27.
2006: Camryn D Allen; Allan J McKinnon; Allan T Lisle; Michael J D'Occhio; Stephen D Johnston
Use of a GnRH agonist and hCG to obtain an index of testosterone secretory capacity in the koala (Phascolarctos cinereus).
Journal of andrology 2006;27(6):720-4.
2006: Stephen D Johnston; Catriona MacCallum; David Blyde; Rhett V McClean; Allan T Lisle; William V Holt
An investigation into the similarities and differences governing the cryopreservation success of koala (Phascolarctos cinereus: goldfuss) and common wombat (Vombatus ursinus: shaw) spermatozoa.
Cryobiology 2006;53(2):218-28.
2006: K M van der Straten; L K-P Leung; R Rossini; Stephen D Johnston
Cryopreservation of spermatozoa of black marlin, Makaira indica (Teleostei: Istiophoridae).
Cryo letters 2006;27(4):203-9.
2006: Rhett V McClean; Catriona MacCallum; David Blyde; William V Holt; Stephen D Johnston
Ultrastructure, osmotic tolerance, glycerol toxicity and cryopreservation of caput and cauda epididymidal kangaroo spermatozoa.
Reproduction, fertility, and development 2006;18(4):469-76.
2006: Stephen D Johnston; C Madden; Vere Nicolson; Gary Cowin; M Pyne; R Booth
Venipuncture in the short-beaked echidna.
Australian veterinary journal 2006;84(1-2):66-7.
2006: Stephen D Johnston; C Madden; Vere Nicolson; M Pyne
Identifying the sex of short-beaked echidnas.
Australian veterinary journal 2006;84(1-2):63-5.
2005: E Iimori; Michael J D'Occhio; Allan T Lisle; Stephen D Johnston
Testosterone secretion and pharmacological spermatozoal recovery in the cane toad (Bufo marinus).
Animal reproduction science 2005;90(1-2):163-73.
2005: C E de Jong; N Jonsson; Hume E Field; C Smith; E G Crichton; Nancy Phillips; Stephen D Johnston
Collection, seminal characteristics and chilled storage of spermatozoa from three species of free-range flying fox (Pteropus spp.).
Theriogenology 2005;64(5):1072-89.
2005: Catriona MacCallum; Stephen D Johnston
Studies on the cryopreservation of common wombat (Vombatus ursinus) spermatozoa.
Reproduction, fertility, and development 2005;17(7):727-32.
2004: Stephen D Johnston; P O'Callaghan; K Nilsson; G Tzipori; Jon D Curlewis
Semen-induced luteal phase and identification of a LH surge in the koala (Phascolarctos cinereus).
Reproduction (Cambridge, England) 2004;128(5):629-34.
2004: R R Miller; C J Sheffer; C L Cornett; Rhett V McClean; Catriona MacCallum; Stephen D Johnston
Sperm membrane fatty acid composition in the Eastern grey kangaroo (Macropus giganteus), koala (Phascolarctos cinereus), and common wombat (Vombatus ursinus) and its relationship to cold shock injury and cryopreservation success.
Cryobiology 2004;49(2):137-48.
2004: B Bryant; L Turner; Catriona MacCallum; Stephen D Johnston
Persistent penile frenulum in a nilgai (Boselaphus tragocamelus).
Australian veterinary journal 2004;82(7):419-20.
2004: N N Jonsson; Stephen D Johnston; Hume E Field; C de Jong; C Smith
Field anaesthesia of three Australian species of flying fox.
The Veterinary record 2004;154(21):664.
2004: NJ Phillips; Michael McGowan; Stephen D Johnston; DG Mayer
Relationship between thirty post-thaw spermatozoal characteristics and the field fertility of 11 high-use Australian dairy AI sires.
Animal reproduction science 2004;81(1-2):47-61.
2002: Stephen D Johnston; Michael McGowan; David Blyde
Birth of a Banteng (Bos javanicus) calf at Western Plains Zoo after fixed time artificial insemination.
Australian veterinary journal 2002;80(1-2):94-5.
2000: Stephen D Johnston; David Blyde; R Pedrana; A Gibbs
Laparoscopic intrauterine insemination in Barbary sheep (Ammotragus lervia).
Australian veterinary journal 2000;78(10):714-6.
2000: Stephen D Johnston; Michael McGowan; P O'Callaghan; R Cox; Vere Nicolson
Natural and artificial methods for inducing the luteal phase in the koala (Phascolarctos cinereus).
Journal of reproduction and fertility 2000;120(1):59-64.
2000: Stephen D Johnston; Michael McGowan; P O'Callaghan; R Cox; Vere Nicolson
Studies of the oestrous cycle, oestrus and pregnancy in the koala (Phascolarctos cinereus).
Journal of reproduction and fertility 2000;120(1):49-57.
2000: Stephen D Johnston; Michael McGowan; NJ Phillips; P O'Callaghan
Optimal physicochemical conditions for the manipulation and short-term preservation of koala (Phascolarctos cinereus) spermatozoa.
Journal of reproduction and fertility 2000;118(2):273-81.
1999: William V Holt; Linda Penfold; Stephen D Johnston; P Temple-Smith; C McCallum; J Shaw; W Lindemans; David Blyde
Cryopreservation of macropodid spermatozoa: new insights from the cryomicroscope.
Reproduction, fertility, and development 1999;11(6):345-53.
1998: Stephen D Johnston; DA O'Boyle; AJ Frost; Michael McGowan; A Tribe; D Higgins
Antibiotics for the preservation of koala (Phascolarctos cinereus) semen.
Australian veterinary journal 1998;76(5):335-8.
1997: Stephen D Johnston; David Blyde; J Gamble; D Higgins; Hume E Field; J Cooper
Collection and short-term preservation of semen from free-ranging eastern grey kangaroos (Macropus giganteus: Macropodidae).
Australian veterinary journal 1997;75(9):648-51.
1997: Stephen D Johnston; P O'Callaghan; Michael McGowan; NJ Phillips
Characteristics of koala (Phascolarctos cinereus adustus) semen collected by artificial vagina.
Journal of reproduction and fertility 1997;109(2):319-23.
1995: Michael McGowan; Stephen D Johnston; A Tribe; L van Hensbroek; Frank N Carrick
The use of isoflurane to anaesthetise koalas (Phascolarctus cinereus).
Australian veterinary journal 1995;72(12):472-3.
1994: Stephen D Johnston; Michael McGowan; Frank N Carrick; R D A Cameron; A Tribe
Seminal characteristics and spermatozoal morphology of captive Queensland koalas (Phascolarctos cinereus adustus).
Theriogenology 1994;42(3):501-11.
1993: Stephen D Johnston; Michael McGowan; Frank N Carrick; A Tribe
Preliminary investigations into the feasibility of freezing koala (Phascolarctos cinereus) semen.
Australian veterinary journal 1993;70(11):424-5.