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Publications

Book Chapters

  • de Graaf, S. (2010). Reproduction. In D.J. Cottle (Eds.), International Sheep and Wool Handbook, (pp. 189-222). Nottingham: Nottingham University Press.
  • de Graaf, S., Leahy, T. (2018). Controlled Breeding. In Kym Abbott (Eds.), The Practice of Sheep Veterinary Medicine, (pp. 238-264). Adelaide: University of Adelaide Press.
  • Refshauge, G., de Graaf, S. (2021). Climatic constraints facing sheep reproduction. In Susanne Hermesch, Soja Dominik (Eds.), Breeding Focus 2021 – Improving Reproduction, (pp. 163-186). Armidale: Animal Genetics and Breeding Unit.

Journal Articles

2021

  • Bernecic, N., de Graaf, S., Leahy, T., Gadella, B. (2021). HDL mediates reverse cholesterol transport from ram spermatozoa and induces hyperactivated motility. Biology Of Reproduction, 104(6), 1271-1281.
  • Pollard, C., Gibb, Z., Swegen, A., Lawson, E., Grupen, C. (2021). Nicotinic acid supplementation at a supraphysiological dose increases the bioavailability of NAD+ precursors in mares. Journal of Animal Physiology and Animal Nutrition, , 1-11.
  • Pollard, C., Gibb, Z., Hawdon, A., Swegen, A., Grupen, C. (2021). Supplementing media with nad+ precursors enhances the in vitro maturation of porcine oocytes. Journal of Reproduction and Development, 67(5), 319-326.

  • Pool, K., Rickard, J., de Graaf, S. (2021). Melatonin improves the motility and DNA integrity of frozen-thawed ram spermatozoa likely via suppression of mitochondrial superoxide production. Domestic Animal Endocrinology, 74, 1-8.

2020

  • Bernecic, N., Gadella, B., de Graaf, S., Leahy, T. (2020). Synergism between albumin, bicarbonate and cAMP upregulation for cholesterol efflux from ram sperm. Reproduction, 160(2), 269-280.
  • Green, C., Rickard, J., de Graaf, S., Crean, A. (2020). From One Ejaculate to Another: Transference of Sperm Traits via Seminal Plasma Supplementation in the Ram. Biology, 9(2), 1-9.
  • Leahy, T., Rickard, J., Pini, T., Gadella, B., de Graaf, S. (2020). Quantitative Proteomic Analysis of Seminal Plasma, Sperm Membrane Proteins, and Seminal Extracellular Vesicles Suggests Vesicular Mechanisms Aid in the Removal and Addition of Proteins to the Ram Sperm Membrane. Proteomics, 20(12), 1900289.
  • Pinet-Charvet, C., Fleurot, R., Derouin-Tochon, F., de Graaf, S., Druart, X., Tsikis, G., Taragnat, C., Teixeira-Gomes, A., Labas, V., Moreau, T., et al (2020). Beta-nerve growth factor stimulates spontaneous electrical activity of in vitro embryonic mouse GnRH neurons through a P75 mediated-mechanism. Scientific Reports, 10(1), 10654.
  • Pool, K., Rickard, J., Pini, T., de Graaf, S. (2020). Exogenous melatonin advances the ram breeding season and increases testicular function. Scientific Reports, 10(1), 9711.
  • Pool, K., Rickard, J., Tumeth, E., de Graaf, S. (2020). Treatment of rams with melatonin implants in the non-breeding season improves post-thaw sperm progressive motility and DNA integrity. Animal Reproduction Science, 221, 106579.
  • Pool, K., Rickard, J., de Graaf, S. (2020). Global Methylation and Protamine Deficiency in Ram Spermatozoa Correlate with Sperm Production and Quality but Are Not Influenced by Melatonin or Season. Animals, 10, 2302.
  • Pool, K., Rickard, J., de Graaf, S. (2020). Overcoming neuroendocrine and metabolic barriers to puberty: the role of melatonin in advancing puberty in ewe lambs. Domestic Animal Endocrinology, 72, 1-10.
  • Rickard, J., de Graaf, S. (2020). Sperm surface changes and their consequences for sperm transit through the female reproductive tract. Theriogenology, 150, 96-105.

2019

  • Al-Bulushi, S., Manjunatha, B., Bathgate, R., Rickard, J., de Graaf, S. (2019). Liquid storage of dromedary camel semen in different extenders. Animal Reproduction Science, 207, 95-106. 
  • Al-Bulushi, S., Manjunatha, B., de Graaf, S., Rickard, J. (2019). Reproductive seasonality of male dromedary camels. Animal Reproduction Science, 202, 10-20.
  • Bernecic, N., Gadella, B., Leahy, T., de Graaf, S. (2019). Novel methods to detect capacitation-related changes in spermatozoa. Theriogenology, 137, 56-66. 
  • Bernecic, N., Zhang, M., Gadella, B., Brouwers, J., Jansen, J., Arkesteijn, G., de Graaf, S., Leahy, T. (2019). BODIPY-cholesterol can be reliably used to monitor cholesterol efflux from capacitating mammalian spermatozoa. Scientific Reports, 9(1).
  • Druart, X., Rickard, J., Tsikis, G., de Graaf, S. (2019). Seminal plasma proteins as markers of sperm fertility. Theriogenology, 137, 30-35.Leahy, T.,
  • Rickard, J., Bernecic, N., Druart, X., de Graaf, S. (2019). Ram seminal plasma and its functional proteomic assessment. Reproduction, 157(6), R243-R256.
  • Fair, S., Meade, K., Reynaud, K., Druart, X., de Graaf, S. (2019). The biological mechanisms regulating sperm selection by the ovine cervix. Reproduction, 158(1), R1-R13. 
  • Friesen, C., de Graaf, S., Olsson, M. (2019). The relationship of body condition, superoxide dismutase, and superoxide with sperm performance. Behavioral Ecology, 30(5), 1351-1363.
  • Katigbak, R., Turchini, G., de Graaf, S., Kong, L., Dumee, L. (2019). Review on Sperm Sorting Technologies and Sperm Properties toward New Separation Methods via the Interface of Biochemistry and Material Science. Advanced Biosystems, 3(9). 
  • Lowe, J., Bathgate, R., Grupen, C. (2019). Effect of carbohydrates on lipid metabolism during porcine oocyte IVM. Reproduction, Fertility and Development, 31(3), 557-569.
  • Rickard, J., Pool, K., Druart, X., de Graaf, S. (2019). The fate of spermatozoa in the female reproductive tract: A comparative review. Theriogenology, 137, 104-112.
  • Stuart, C., Vaughan, J., Kershaw, C., de Graaf, S., Bathgate, R. (2019). Efect of diluent type, cryoprotectant concentration, storage method and freeze/thaw rates on the post-thaw quality and fertility of cryopreserved alpaca spermatozoa. Scientific Reports, 9(1), 1-8.

2018

  • Al-Bulushi, S., Manjunatha, B., Bathgate, R., Rickard, J., de Graaf, S. (2018). Effect of semen collection frequency on the semen characteristics of dromedary camels. Animal Reproduction Science, 197, 145-153.
  • Bartolac, L., Lowe, J., Koustas, G., Grupen, C., Sjoblom, C. (2018). Effect of different penetrating and non-penetrating cryoprotectants and media temperature on the cryosurvival of vitrified in-vitro produced porcine blastocysts. Animal Science Journal, 89(9), 1230-1239.
  • Druart, X., de Graaf, S. (2018). Seminal plasma proteomes and sperm fertility. Animal Reproduction Science, 194, 33-40.
  • Miah, A., Bathgate, R., Hamano, K., Salma, U. (2018). Effects of pre-freeze Nigella sativa oil supplementation on cryosurvival of ovine spermatozoa. Reproduction in Domestic Animals, 53(6), 1424-1433.
  • Pini, T., de Graaf, S., Druart, X., Tsikis, G., Labas, V., Teixeira-Gomes, A., Gadella, B., Leahy, T. (2018). Binder of Sperm Proteins 1 and 5 have contrasting effects on the capacitation of ram spermatozoa. Biology Of Reproduction, 98(6), 765-775.
  • Pini, T., Farmer, K., Druart, X., Teixeira-Gomes, A., Tsikis, G., Labas, V., Leahy, T., de Graaf, S. (2018). Binder of Sperm Proteins protect ram spermatozoa from freeze-thaw damage. Cryobiology, 82, 78-87.
  • Pini, T., Rickard, J., Leahy, T., Crossett, B., Druart, X., de Graaf, S. (2018). Cryopreservation and egg yolk medium alter the proteome of ram spermatozoa. Journal of Proteomics, 181, 73-82.
  • Pini, T., Leahy, T., de Graaf, S. (2018). Seminal plasma and cryopreservation alter ram sperm surface carbohydrates and interactions with neutrophils. Reproduction, Fertility and Development, 30(5), 689-702.
  • Pini, T., Leahy, T., de Graaf, S. (2018). Sublethal sperm freezing damage: Manifestations and solutions. Theriogenology, 118, 172-181.
  • Steel, A., Athorn, R., Grupen, C. (2018). Anti-Mullerian hormone and Oestradiol as markers of future reproductive success in juvenile gilts. Animal Reproduction Science, 195, 197-206.
  • Swearman, H., Koustas, G., Knight, E., Liperis, G., Grupen, C., Sjoblom, C. (2018). pH: the silent variable significantly impacting meiotic spindle assembly in mouse oocytes. Reproductive BioMedicine Online, 37(3), 279-290.

2017

  • Chew, T., Haase, B., Bathgate, R., Willet, C., Kaukonen, M., Mascord, L., Lohi, H., Wade, C. (2017). A Coding Variant in the Gene Bardet-Biedl Syndrome 4 (BBS4) Is Associated with a Novel Form of Canine Progressive Retinal Atrophy. G3: Genes, Genomes, Genetics, 7(7), 2327-2335.
  • Gibb, Z., Grupen, C., Maxwell, W., Morris, L. (2017). Field fertility of liquid stored and cryopreserved flow cytometrically sex-sorted stallion sperm. Equine Veterinary Journal, 49(1), 160-166.
  • Hall, S., Negus, C., Johinke, D., Bathgate, R. (2017). Adjusting cryodiluent composition for improved post-thaw quality of rabbit spermatozoa. PloS One, 12(4), 1-14.
  • Lowe, J., Bartolac, L., Bathgate, R., Grupen, C. (2017). Cryotolerance of porcine blastocysts is improved by treating in vitro matured oocytes with L-carnitine prior to fertilization. Journal of Reproduction and Development, 63(3), 263-270.
  • Lowe, J., Bartolac, L., Bathgate, R., Grupen, C. (2017). Supplementation of culture medium with L-carnitine improves the development and cryotolerance of in vitro-produced porcine embryos. Reproduction, Fertility and Development, 29(12), 2357-2366
  • Maddison, J., Rickard, J., Bernecic, N., Tsikis, G., Soleilhavoup, C., Labas, V., Combes-Soia, L., Harichaux, G., Druart, X., Leahy, T., de Graaf, S. (2017). Oestrus synchronisation and superovulation alter the cervicovaginal mucus proteome of the ewe. Journal of Proteomics, 155, 1-10.
  • Rickard, J., Ryan, G., Hall, E., de Graaf, S., Hermes, R. (2017). Using transrectal ultrasound to examine the effect of exogenous progesterone on early embryonic loss in sheep. PloS One, 12(8), 1-18.
  • Swegen, A., Grupen, C., Gibb, Z., Baker, M., de Ruijter-Villani, M., Smith, N., Stout, T., Aitken, J. (2017). From Peptide Masses to Pregnancy Maintenance: A Comprehensive Proteomic Analysis of The Early Equine Embryo Secretome, Blastocoel Fluid, and Capsule. Proteomics, 17(17-18), 1-13.

2016

  • Gibb, Z., Grupen, C., Maxwell, W., Morris, L. (2016). Field fertility of liquid stored and cryopreserved flow cytometrically sex-sorted stallion sperm. Equine Veterinary Journal, , 1-7.
  • Leahy, T., de Graaf, S. (2016). The ART of milk production. Australasian Science, 37 (1) 32-34.
  • Leahy, T., Rickard, J., Aitken, J., de Graaf, S. (2016). Penicillamine prevents ram sperm agglutination in media that support capacitation. Reproduction, 151(2), 167-177.
  • Leahy, T., Rickard, J., Aitken, J., de Graaf, S. (2016). D-penicillamine prevents ram sperm agglutination by reducing the disulphide bonds of a copper-binding sperm protein. Reproduction, 151(5), 491-500.
  • Maddison, J., Rickard, J., Mooney, E., Bernecic, N., Soleilhavoup, C., Tsikis, G., Druart, X., Leahy, T., de Graaf, S. (2016). Oestrus synchronisation and superovulation alter the production and biochemical constituents of ovine cervicovaginal mucus. Animal Reproduction Science, 172, 114-122.
  • McGregor, B., de Graaf, S., Hatcher, S. (2016). On-farm factors affecting physical quality of Merino wool. 1. Nutrition, reproduction, health and management. Small Ruminant Research, 137, 138-150.
  • Pini, T., Leahy, T., Soleilhavoup, C., Tsikis, G., Labas, V., Combes-Soia, L., Harichaux, G., Rickard, J., Druart, X., de Graaf, S. (2016). A proteomic investigation of ram spermatozoa and the proteins conferred by seminal plasma. Journal of Proteome Research, 15, 3700-3711.
  • Rickard, J., Schmidt, R., Maddison, J., Bathgate, R., Lynch, G., Druart, X., de Graaf, S. (2016). Variation in seminal plasma alters the ability of ram spermatozoa to survive cryopreservation. Reproduction, Fertility and Development, 28(4), 516-523.
  • Soleilhavoup, C., Riou, C., Tsikis, G., Labas, V., Harichaux, G., Kohnke, P., Reynaud, K., de Graaf, S., Gerard, N., Druart, X. (2016). Proteomes of the Female Genital Tract During the Oestrous Cycle. Molecular and Cellular Proteomics, 15(1), 93-108.

2015

  • Aitken, J., Naumovski, N., Curry, B., Grupen, C., Gibb, Z., Aitken, J. (2015). Characterization of an L-Amino Acid Oxidase in Equine Spermatozoa. Biology Of Reproduction, 92(5), 1-13.
  • Bartolac, L., Lowe, J., Koustas, G., Sjoblom, C., Grupen, C. (2015). A comparison of different vitrification devices and the effect of blastocoele collapse on the cryosurvival of in vitro produced porcine embryos. Journal of Reproduction and Development, 61(6), 525-531
  • Gerard, N., Fahiminiya, S., Grupen, C., Nadal-Desbarats, L. (2015). Reproductive Physiology and Ovarian Folliculogenesis Examined via 1 H-NMR Metabolomics Signatures: A Comparative Study of Large and Small Follicles in Three Mammalian Species (Bos taurus, Sus scrofa domesticus and Equus ferus caballus. OMICS A Journal of Intergrated Biology, 19(1), 31-40.
  • Johinke, D., de Graaf, S.P., Bathgate, R. (2015). The Effect of Sperm Concentration and Storage Vessel on Quercetin-Supplemented Rabbit Semen During Chilled Storage. Reproduction in Domestic Animals, 50, 567-573.
  • Leahy, T., Gadella, B. (2015). New insights into the regulation of cholesterol efflux from the sperm membrane. Asian Journal of Andrology, 17, 561-567.
  • Mata-Campuzano, M., Soleilhavoup, C., Tsikis, G., Martinez-Pastor, F., de Graaf, S.P., Druart, X. (2015). Motility of liquid stored ram spermatozoa is altered by dilution rate independent of seminal plasma concentration. Animal Reproduction Science, 162, 31-36.
  • Rickard, J., Leahy, T., Soleilhavoup, C., Tsikis, G., Labas, V., Harichaux, G., Lynch, G., Druart, X., de Graaf, S.P. (2015). The identification of proteomic markers of sperm freezing resilience in ram seminal plasma. Journal of Proteomics, 126, 303-311.
  • Stuart, C., Vaughan, J., Kershaw-Young, C., Wilkinson, J., Bathgate, R., de Graaf, S.P. (2015). Effects of varying doses of b-nerve growth factor on the timing of ovulation, plasma progesterone concentration and corpus luteum size in female alpacas (Vicugna pacos). Reproduction, Fertility and Development, 27(8), 1181-1186.

2014

  • de Graaf, S.P., Leahy, T., Vishwanath, R. (2014). Biological and practical lessons associated with the use of sexed semen. Reproduction in Domestic Ruminants VIII, 507-522. Ninth International Symposium on Reproduction in Domestic Ruminants. Leicestershire: Context Publishing.
  • de Graaf, S.P., Rickard, J., Pini, T., Maddison, J., Druart, X., Leahy, T. (2014). Emerging Roles of Seminal Plasma in Sperm Function. 9th Biennial Conference of the Association for Applied Animal Andrology, Australia: Association for Applied Animal Andrology. pp. 93-102
  • Grupen, C. (2014). The evolution of porcine embryo invitro production. Theriogenology, 81(1), 24-37.
  • Johinke, D., de Graaf, S.P., Bathgate, R. (2014). Investigation of in vitro parameters and in vivo fertility of rabbit spermatozoa after chilled storage. Animal Reproduction Science, 147(3-4), 135-143.
  • Johinke, D., de Graaf, S.P., Bathgate, R. (2014). Quercetin reduces the in vitro production of H2O2 during chilled storage of rabbit spermatozoa. Animal Reproduction Science, 151, 208-219.
  • Soleilhavoup, C., Tsikis, G., Labas, V., Harichaux, G., Kohnke, P., Dacheux, J., Guerin, Y., Gatti, J., de Graaf, S.P., Druart, X. (2014). Ram seminal plasma proteome and its impact on liquid preservation of spermatozoa. Journal of Proteomics, 109(23), 245-260.
  • Rickard, J., Pini, T., Soleilhavoup, C., Cognie, J., Bathgate, R., Lynch, G., Evans, G., Maxwell, W.M.C., Druart, X., de Graaf, S.P. (2014). Seminal plasma aids the survival and cervical transit of epididymal ram spermatozoa. Reproduction, 148, 469-478.

2013

  • Bathgate, R., Mace, N., Heasman, K., Evans, G., Maxwell, W., de Graaf, S. (2013). Birth of Kids after Artificial Insemination with Sex-Sorted, Frozen-Thawed Goat Spermatozoa. Reproduction in Domestic Animals, 48, 893-898.
  • Bertoldo, M., Nadal-Desbarats, L., Gerard, N., Dubois, A., Harvey (Holyoake), P., Grupen, C. (2013). Differences in the metabolomic signatures of porcine follicular fluid collection from environments associated with good and poor oocyte quality. Reproduction, 146(3), 221-231.
  • Druart, X., Rickard, J., Mactier (nee Gez), S., Kohnke, P., Kershaw-Young, C., Bathgate, R., Gibb, Z., Crossett, B., Tsikis, G., Labas, V., Grupen, C., de Graaf, S.P. (2013). Proteomic characterisation and cross species comparison of mammalian seminal plasma. Journal of Proteomics, 91, 13-22.
  • Garratt, M., Bathgate, R., de Graaf, S., Brooks, R. (2013). Copper-zinc superoxide dismutase deficiency impairs sperm motility and in vivo fertility. Reproduction, 146, 297-304.
  • Gibb, Z., Morris, L., Maxwell, W., Grupen, C. (2013). Dimethyl formamide improves the postthaw characteristics of sex-sorted and nonsorted stallion sperm. Theriogenology, 79, 1027-1033.
  • Gibb, Z., Butler, T., Morris, L., Maxwell, W., Grupen, C. (2013). Quercetin improves the postthaw characteristics of cryopreserved sex-sorted and nonsorted stallion sperm. Theriogenology, 79, 1001-1009.
  • Kershaw-Young, C., Stuart, C., Evans, G., Maxwell, W. (2013). The Effect of Glycosaminoglycan Enzymes and Proteases on the Viscosity of Alpaca Seminal Plasma and Sperm Function. Animal Reproduction Science, 138, 261-267.
  • Rath, D., Barcikowski, S., de Graaf, S., Garrels, W., Grossfeld, R., Klein, S., Knabe, W., Knorr, C., Kues, W., Meyer, W., et al (2013). Sex selection of sperm in farm animals: status report and developmental prospects. Reproduction, 145, R15-R30.

2012

  • Bertoldo, M., Holyoake, P., Evans, G., Grupen, C. (2012). Seasonal variation in the ovarian function of sows. Reproduction, Fertility and Development, 24(6), 822-834.
  • Kershaw-Young, C., Druart, X., Vaughan, J., Maxwell, W. (2012). Beta-Nerve growth factor is a major component of alpaca seminal plasma and induces ovulation in female alpacas. Reproduction, Fertility and Development, 24(8), 1093-1097.
  • Kershaw-Young, C., Evans, G., Maxwell, W. (2012). Glycosaminoglycans in the accessory sex glands, testes and seminal plasma of alpaca and ram. Reproduction, Fertility and Development, 24(2), 362-369.
  • Leahy, T., de Graaf, S. (2012). Seminal Plasma and its Effect on Ruminant Spermatozoa During Processing. Reproduction in Domestic Animals, 47(Suppl. 4), 207-213.
  • Portas, T., Evans, G., de Graaf, S. (2012). The seminiferous cycle of the rhinoceros. Animal Reproduction Science, 136(1-2), 128-132.

2011

  • Bathgate, R. (2011). Antioxidant Mechanisms and their Benefit on Post-thaw Boar Sperm Quality. Reproduction in Domestic Animals, 46(Suppl 2), 23-25.
  • Beilby, K., de Graaf, S., Evans, G., Maxwell, W., Wilkening, S., Wrenzycki, C., Grupen, C. (2011). Quantitative mRNA expression in ovine blastocysts produced from X- and Y-chromosome bearing sperm, both in vitro and in vivo. Theriogenology, 76(3), 471-481.
  • Bertoldo, M., Holyoake, P., Evans, G., Grupen, C. (2011). Seasonal effects on oocyte developmental competence in sows experiencing pregnancy loss. Animal Reproduction Science, 124(1-2), 104-111.
  • Gibb, Z., Morris, L., Maxwell, W., Grupen, C. (2011). Use of defined diluent increases the sex-sorting efficiency of stallion sperm. Theriogenology, 75(4), 610-619.
  • Kershaw-Young, C., Maxwell, W. (2011). The effect of Seminal Plasma on Alpaca Sperm Function. Theriogenology, 76(7), 1197-1206.

2010

  • Beilby, K., de Graaf, S., Grupen, C. (2010). The Effect of Sperm and Cryoprotectant concentration on the Freezing Success of Sex Sorted ram Sperm for In-Vitro Fertilization. Theriogenology, 74(5), 786-794.
  • Bertoldo, M., Holyoake, P., Evans, G., Grupen, C. (2010). Follicular Progesterone Levels Decrease During the Period of Seasonal Infertility in Sows. Reproduction in Domestic Animals, , 1-6.
  • Bertoldo, M., Holyoake, P., Evans, G., Grupen, C. (2010). Oocyte developmental competence is reduced in sows during the seasonal infertility period. Reproduction, Fertility and Development, 22, 1222-1229.
  • Grupen, C., Armstrong, D. (2010). Relationship between cumulus cell apoptosis, progesterone production and porcine oocyte developmental competence: temporal effects of follicular fliud during IVM. Reproduction, Fertility and Development, 22(doi:10.1071/RD09307), 1100-1109.
  • Leahy, T., Celi, P., Bathgate, R., Evans, G., Maxwell, W., Marti, J. (2010). Flow-sorted ram spermatozoa are highly suseptible to hydrogen peroxide damage but are protected by seminal plasma and catalase. Reproduction, Fertility and Development, 22(7), 1131-1140.
  • Underwood, S., Bathgate, R., Maxwell, W., Evans, G. (2010). Birth of offspring after artificial insemination of heifers with frozen-thawed, sex-sorted, re-frozen-thawed bull sperm. Animal Reproduction Science, 118(2-4), 171-175.
  • Underwood, S., Bathgate, R., Pereira, D., Castro, A., Thomson, P., Maxwell, W., Evans, G. (2010). Embryo production after in vitro fertilization with frozen-thawed, sex-sorted, re-frozen-thawed bull sperm. Theriogenology, 73, 97-102.

2009

  • Bagg, M., Nottle, M., Armstrong, D., Grupen, C. (2009). Effect of follicle size and dibutyryl cAMP on the cAMP content and gap junctional communication of porcine prepubertal cumulusoocyte complexes during IVM. Reproduction, Fertility and Development, 21, 796-804.
  • Behr, B., Rath, D., Mueller, P., Hildebrandt, T., Goeritz, F., Braun, B., Leahy, T., de Graaf, S., Maxwell, W., Hermes, R. (2009). Feasibility of sex-sorting sperm from the white and the black rhinoceros (Ceratotherium simum, Diceros bicornis). Theriogenology, 72(3), 353-364.
  • Behr, B., Rath, D., Hildebrandt, T., Goeritz, F., Blottner, S., Portas, T., Bryant, B., Sieg, B., Knieriem, A., de Graaf, S., Maxwell, W., et al (2009). Germany/Australia Index of sperm sex sortability in Elephants and Rhinoceros. Reproduction in Domestic Animals, 44(2), 273-277.
  • Beilby, K., Grupen, C., Thomson, P., Maxwell, W., Evans, G. (2009). The effect of insemination time and sperm dose on pregnancy rate using sex-sorted ram sperm. Theriogenology, 71(5), 829-835.
  • Bertoldo, M., Grupen, C., Thomson, P., Evans, G., Harvey (Holyoake), P. (2009). Identification of sow-specific risk factors for late pregnancy loss during the seasonal infertility period in pigs. Theriogenology, 72(3), 393-400.
  • de Graaf, S., Beilby, K., Underwood, S., Evans, G., Maxwell, W. (2009). Sperm sexing in sheep and cattle: The exception and the rule. Theriogenology, 71(1), 89-97.
  • Underwood, S., Bathgate, R., Ebsworth, M., Maxwell, W., Evans, G. (2009). Pregnancy loss in heifers after artificial insemination with frozen-thawed, sex-sorted, re-frozen-thawed dairy bull sperm. Animal Reproduction Science, 118, 7-12.
  • Underwood, S., Bathgate, R., Maxwell, W., Evans, G. (2009). Development of Procedures for Sex-sorting Frozen-thawed Bovine Spermatozoa. Reproduction in Domestic Animals, 44(3), 460-466.
  • Underwood, S., Bathgate, R., Maxwell, W., Evans, G. (2009). In vitro characteristics of frozen-thawed, sex-sorted bull sperm after refreezing or incubation at 15 or 37oC. Theriogenology, 72(7), 1001-1008.

2008

  • Bathgate, R., Grossfeld, R., Susetio, D., Ruckholdt, M., Heasman, K., Rath, D., Evans, G., Maxwell, W. (2008). Early Pregnancy loss in sows after low-dose, deep uterine artificial insemination with sex-sorted, frozen-thawed sperm. Animal Reproduction Science, 104, 440-444.
  • Bathgate, R., Eriksson, B., Thomson, P., Maxwell, W., Evans, G. (2008). Field fertility of frozen-thawed boar sperm at low doses using non-surgical, deep uterine insemination. Animal Reproduction Science, 103(3-4), 323-335.
  • Bathgate, R. (2008). Functional integrity of sex-sorted, frozen-thawed boar sperm and its potential for artificial insemination. Theriogenology, 70, 1234-1241.
  • de Graaf, S., Leahy, T., Marti, J., Evans, G., Maxwell, W. (2008). Application of Seminal Plasma in Sex-Sorting and Sperm Cryopreservation. Theriogenology, 70, 1360-1363.

2007

  • Bagg, M., Nottle, M., Armstrong, D., Grupen, C. (2007). Relationship between follicle size and oocyte developmental competence in prepubertal and adult pigs. Reproduction, Fertility and Development, 19(7), 797-803.
  • Bathgate, R., Maxwell, W., Evans, G. (2007). Effects of platelet-activating factor and platelet-activating factor: acetylhydrolase on in vitro post-thaw boar sperm parameters. Theriogenology, 67(4), 886-892.
  • Bathgate, R., Morton, K., Eriksson, B., Rath, D., Sieg, B., Maxwell, W., Evans, G. (2007). Non-surgical deep intra-uterine transfer of in vitro produced porcine embryos derived from sex-sorted frozen-thawed boar sperm. Animal Reproduction Science, 99(1-2), 82-92.
  • Beebe, L., McIlfatrick, S., Grupen, C., Boquest, A., Harrison, S., Faast, R., Ashman, R., Wengle, J., Hamilton, H., Nottle, M. (2007). A comparison of two in vitro maturation media for use with adult porcine oocytes for adult somatic cell nuclear transfer. Cloning and Stem Cells, 9(4), 564-570.
  • de Graaf, S., Evans, G., Maxwell, W., Cran, D., O’Brien, J. (2007). Birth of offspring of pre-determined sex after artificial insemination of frozen-thawed, sex-sorted and re-frozen-thawed ram spermatozoa. Theriogenology, 67(2), 391-398.
  • de Graaf, S., Beilby, K., O’Brien, J., Osborn, D., Downing, J., Maxwell, W., Evans, G. (2007). Embryo production from superovulated sheep inseminated with sex-sorted ram spermatozoa. Theriogenology, 67(3), 550-555.
  • de Graaf, S., Peake, K., Maxwell, W., O’Brien, J., Evans, G. (2007). Influence of supplementing diet with Oleic and Linoleic acid on the freezing ability and sex-sorting parameters of ram semen. Livestock Science, 110, 166-173.
  • de Graaf, S., Evans, G., Maxwell, W., Downing, J., O’Brien, J. (2007). Successful Low Dose Insemination of Flow Cytometrically Sorted Ram Spermatozoa in Sheep. Reproduction in Domestic Animals, 42, 648-653.
  • de Graaf, S., Evans, G., Gillan, L., Guerra, M., Maxwell, W., O’Brien, J. (2007). The influence of antioxidant, cholesterol and seminal plasma on the in vitro quality of sorted and non-sorted ram spermatozoa. Theriogenology, 67(2), 217-227.
  • Grupen, C., Schulz, S., Armstrong, D. (2007). Distinct effects of follicular fluid on cumulus cell apoptosis and porcine oocyte developmental competence. Reproduction, Fertility and Development, 19(1), 286-287.
  • Grupen, C., Gilchrist, R., Nayudu, P., Barry, M., Schulz, S., Ritter, L., Armstrong, D. (2007). Effects of ovarian stimulation, with and without human chorionic gonadotrophin, on oocyte meiotic and developmental competence in the marmoset monkey (Callithrix jacchus). Theriogenology, 68(6), 861-872.
  • Maxwell, W., de Graaf, S., El-Hajj Ghaoui, R., Evans, G. (2007). Seminal plasma effects on sperm handling and female fertility. Society of Reproduction and Fertility Supplement, 64, 13-38.
  • Morton, K., Bathgate, R., Evans, G., Maxwell, W. (2007). Cryopreservation of epididymal alpaca (Vicugna pacos) sperm: a comparison of citrate-, Tris- and lactose-based diluents and pellets and straws. Reproduction, Fertility and Development, 19, 792-796.
  • Underwood, S., Bathgate, R., Maxwell, W., O’Donnell, M., Evans, G. (2007). Pregnancies after artificial insemination of frozen-thawed, sex-sorted, re-frozen-thawed dairy bull sperm. Reproduction in Domestic Animals, 42(5), 78-78.

2006

  • Bagg, M., Nottle, M., Grupen, C., Armstrong, D. (2006). Effect of dibutyryl cAMP on the cAMP content, meiotic progression, and developmental potential of in vitro matured pre-pubertal and adult pig oocytes. Molecular Reproduction and Development, 73(10), 1326-1332.
  • Bathgate, R., Maxwell, W., Evans, G. (2006). Studies on the Effect of Supplementing Boar Semen Cryopreservation Media with Different Avian Egg Yolk Types on in Vitro Post-thaw Sperm Quality. Reproduction in Domestic Animals, 41, 68-73.
  • de Graaf, S., Evans, G., Maxwell, W., O’Brien, J. (2006). In vitro characteristics of fresh and frozen-thawed ram spermatozoa after sex sorting and re-freezing. Reproduction, Fertility and Development, 18(8), 867-874.
  • Grupen, C., Fung, M., Armstrong, D. (2006). Effects of milrinone and butyrolactone-I on porcine oocyte meiotic progression and developmental competence. Reproduction, Fertility and Development, 18(3), 309-317.

2005

  • Morton, K., de Graaf, S., Campbell, A., Tomkins, L., Maxwell, W., Evans, G. (2005). Repeat Ovum Pick-up and in vitro Embryo Production from Adult Ewes with and without FSH treatment. Reproduction in Domestic Animals, 440, 422-428.

2004

  • Maxwell, W., Evans, G., Hollinshead, F., Bathgate, R., de Graaf, S., Eriksson, B., Gillan, L., Morton, K., O’Brien, J. (2004). Integration Of Sperm Sexing Technology Into The Art Toolbox. Animal Reproduction Science, 82-83, 79-95.