Publikationen

Quirino, M., da Rosa, G. T., Spohr Christ, T., Valadares, W. R., da Rosa Ulguim, R., Bernardi, M. L., Schulze, M., Mellagi, A. P. G. and Bortolozzo, F. P. (2023). "Estimation of sperm concentration limits to produce intrauterine insemination doses in swine." Reproduction in Domestic Animals in press, Link

 

 

Hensel, B., Jakop, U., Schmicke, M., Schröter, F., Jung, M. and Schulze, M. (2023). "Dual use of breeding stallions is possible without affecting the sperm quality." Reproduction in Domestic Animals in press, Link

 

 

Hafemeister, T., Schulze, P., Simmet, C., Jung, M., Fuchs-Kittowski, F. and Schulze, M. (2023). "Intensity and Duration of Vibration Emissions during Shipping as Interacting Factors on the Quality of Boar Semen Extended in Beltsville Thawing Solution." Animals (Basel) 13(5), Link

 

 

Wiebke, M., Pieper, L., Gürler, H., Janowitz, U., Jung, M. and Schulze, M. (2023). "Effect of using liquid semen on fertility in German Holstein Friesian dairy cattle: A randomized controlled clinical trial." Theriogenology 199: 50-56, Link

 

 

Henneberg, S., Kleve-Feld, M., Schröter, F., Jung, M. and Schulze, M. (2023). "Lifetime and Removal Reasons for Pietrain Boars in European AI Centers: A retrospective Analysis." Journal of Animal Science 101: 1-8, Link

 

 

Jakop, U., Engel, K. M., Hürland, M., Müller, P., Osmers, J.-H., Jung, M. and Schulze, M. (2023). "Lipid alterations by oxidative stress increase detached acrosomes after cryopreservation of semen in Holstein bulls." Theriogenology 197: 37-45, Link

 

 

Hürland, M., Kuhlgatz, D. A., Kuhlgatz, C., Osmers, J. H., Jung, M. and Schulze, M. (2023). "The use of machine learning methods to predict sperm quality in Holstein bulls." Theriogenology 197: 16-25, Link

 

 

Jakop, U., Hensel, B., Czirják, G., Quirino, M., Schröter, F., Jung, M. and Schulze, M. (2023). "Bacterial killing activity and lysozymes - a stable defense mechanism in stallion seminal plasma?" Reproduction in Domestic Animals 58(1): 73-80, Link

 

 

Wiebke, M., Hensel, B., Nitsche-Melkus, E., Jung, M. and Schulze, M. (2022). "Cooled storage of semen from livestock animals (part I): boar, bull, and stallion." Animal Reproduction Science 246: 106822, Link

 

 

Tamanini, M. S. C., Dos Santos, G., Leal, L. A., Wolf, L. M., Schulze, M., Christ, T. S., Bortolozzo, F. P., Ulguim, R. R., Wentz, I. and Mellagi, A. P. G. (2022). "Impact of agitation time of boar semen doses on sperm traits in short- and long-term extenders." Animal Reproduction Science 247: 107159, Link

 

 

Schulze, M. and Waberski, D. (2022). "Compensability of Enhanced Cytoplasmic Droplet Rates in Boar Semen: Insights of a Retrospective Field Study." Animals (Basel) 12(20): 2892, Link

 

 

Quirino, M., Jakop, U., Mellagi, A. P. G., Bortolozzo, F. P., Jung, M. and Schulze, M. (2022). "Live cells are not affected by dead sperm in liquid boar semen: new insights based on a thermo-resistance test." Reproduction in Domestic Animals 57(11): 1327-1335, Link

 

 

Quirino, M., Jakop, U., Mellagi, A. P. G., Bortolozzo, F. P., Jung, M. and Schulze, M. (2022). "A 5-color flow cytometry panel to assess plasma membrane integrity, acrosomal status, membrane lipid organization and mitochondrial activity of boar and stallion spermatozoa following liquid semen storage." Animal Reproduction Science 247: 107076, Link

 

 

Shan, S., Xu, F., Hirschfeld, M., Herrmann, C., Schulze, M., Sharifi, A. R., Hoelker, M. and Brenig, B. (2022). "α/β-Hydrolase D16B Truncation Results in Premature Sperm Capacitation in Cattle." International Journal of Molecular Sciences 23(14): 7777, Link

 

 

Grossfeld, R., Pable, J., Jakop, U., Simmet, C. and Schulze, M. (2022). "Comparison of NUCLEOCOUNTER, ANDROVISION with Leja chambers and the newly developed ANDROVISION eFlow for sperm concentration analysis in boars." Scientific Reports 12(1): 11943, Link

 

 

Hensel, B., Schröter, F., Großfeld, R., Simmet, C., Wauters, J., Jung, M. and Schulze, M. (2022). "Relations between the time of ovulation and fecal estrogen concentration in sows." Research in Veterinary Science 149: 90-93, Link

 

 

Hensel, B., Großfeld, R., Simmet, C., Jung, M. and Schulze, M. (2022). "Time of ovulation in sows is not related to intravaginal dissolved oxygen levels or temperature." Livestock Science 260: 104926, Link

 

 

Hafemeister, T., Schulze, P., Bortfeldt, R., Simmet, C., Jung, M., Fuchs-Kittowski, F. and Schulze, M. (2022). "Boar Semen Shipping for Artificial Insemination: Current Status and Analysis of Transport Conditions with a Major Focus on Vibration Emissions." Animals (Basel) 12(10): 1331, Link

 

 

Schulze, M., Jung, M. and Hensel, B. (2022). "Science-based quality control in boar semen production." Molecular Reproduction and Development n/a(n/a), Link

 

 

Schulze, M., Hensel, B., Schröter, D., Leiding, C., Jung, M. and Lautner, M. (2022). "Reprotoxic effects of fenpropimorph on the fertilizing potential of AI boars: A case study." Reproduction in Domestic Animals 57: 337-340, Link

 

 

Schulze, M., Mohammadpour, F., Schröter, F., Jakop, U., Hönicke, H., Hasenfuss, T., Henne, H., Schön, J. and Müller, K. (2021). "Suitability of semen stress tests for predicting fertilizing capacity of boar ejaculates." Theriogenology 176: 73-81, Link

 

 

Bashawat, M., Hensel, B., Müller, K. and Schulze, M. (2021). "Cooled storage of semen from livestock animals (Part II): Camelids, goats, and sheep." Animal Reproduction Science 234: 106855, Link

 

 

Paschoal, A. F., Luther, A. M., Jakop, U., Schulze, M., Bortolozzo, F. P. and Waberski, D. (2021). "Factors influencing the response of spermatozoa to agitation stress: Implications for transport of extended boar semen." Theriogenology 175: 54-60, Link

 

 

Jakop, U., Hensel, B., Orquera, S., Rößner, A., Alter, T., Schröter, F., Grossfeld, R., Jung, M., Simmet, C. and Schulze, M. (2021). "Development of a new antimicrobial concept for boar semen preservation based on bacteriocins." Theriogenology 173: 163-172, Link

 

 

Selige, C., Quirino, M., Schröter, F., Aepli, M. and Schulze, M. (2021). "Effect of pasteurized egg yolk on the quality of cryopreserved boar semen." Reproduction in Domestic Animals 56(8): 1152-1155, Link

 

 

Hensel, B., Jakop, U., Scheinpflug, K., Schröter, F., Sandmann, M., Mühldorfer, K. and Schulze, M. (2021). "Low temperature preservation: Influence of putative bioactive microalgae and hop extracts on sperm quality and bacterial load in porcine semen." Sustainable Chemistry and Pharmacy 19: 100359, Link

 

 

Schulze, M., Schröter, F., Jung, M. and Jakop, U. (2020). "Evaluation of a panel of spermatological methods for assessing reprotoxic compounds in multilayer semen plastic bags." Scientific Reports 10(1): 22258, Link

 

 

Scheinpflug, K., Schiller, S., Jäkel, H., Schulze, M., Waberski, D. and Mühldorfer, K. (2020). "Relevance of Leptospira in boar and for the development of alternative antimicrobial concepts in boar semen preservation." Porcine Health Management 6(1): 31, Link

 

 

Schulze, M., Beyer, S., Beyer, F., Bortfeldt, R., Riesenbeck, A., Leiding, C., Jung, M. and Kleve-Feld, M. (2020). "Relationship between pubertal testicular ultrasonographic evaluation and future reproductive performance potential in Piétrain boars." Theriogenology 158: 58-65, Link

 

 

Schulze, M., Jakop, U., Schröter, F., Herrmann, C., Leiding, C., Müller, K., Jung, M. and Czirják, G. (2020). "Antibacterial defense in bull and boar semen: A putative link to the microbiome and reproductive strategy?" Theriogenology 157: 335-340, Link

 

 

Hensel, B., Jakop, U., Scheinpflug, K., Mühldorfer, K., Schröter, F., Schäfer, J., Greber, K., Jung, M. and Schulze, M. (2020). "Low temperature preservation of porcine semen: influence of short antimicrobial lipopeptides on sperm quality and bacterial load." Scientific Reports 10(1): 13225, Link

 

 

Schulze, M., Nitsche-Melkus, E., Hensel, B., Jung, M. and Jakop, U. (2020). "Antibiotics and their alternatives in Artificial Breeding in livestock." Animal Reproduction Science 2020: 106284, Link

 

 

Nitsche-Melkus, E., Bortfeldt, R., Jung, M. and Schulze, M. (2020). "Impact of hygiene on bacterial contamination in extended boar semen: An eight-year retrospective study of 28 European AI centers." Theriogenology 146: 133-139, Link

 

 

Waberski, D., Riesenbeck, A., Schulze, M., Weitze, K. F. and Johnson, L. (2019). "Application of preserved boar semen for artificial insemination: Past, present and future challenges." Theriogenology 137: 2-7, Link

 

 

Schulze, M., Nitsche-Melkus, E., Jakop, U., Jung, M. and Waberski, D. (2019). "New trends in production management in European pig AI centers." Theriogenology 137: 88-92, Link

 

 

Kuhlgatz, D. A., Kuhlgatz, C., Aepli, M., Schumann, B., Grossfeld, R., Bortfeldt, R., Jakop, U., Jung, M. and Schulze, M. (2019). "Development of predictive models for boar semen quality." Theriogenology 134: 129-140, Link

 

 

Jakop, U., Svetlichnyy, V., Schiller, J., Schulze, M., Schröter, F. and Mueller, K. (2019). "In vitro supplementation with unsaturated fatty acids improves boar sperm viability after storage at 6 degrees C." Animal Reproduction Science 206: 60-68, Link

 

 

Schulze, M., Jakop, U., Jung, M. and Cabezon, F. (2019). "Influences on thermo-resistance of boar spermatozoa." Theriogenology 127: 15-20, Link

 

 

Schulze, M., Czirjak, G. A., Müller, K., Bortfeldt, R., Jung, M. and Jakop, U. (2019). "Antibacterial defense and sperm quality in boar ejaculates." Journal of Reproductive Immunology 131: 13-20, Link

 

 

Schulze, M., Schäfer, J., Simmet, C., Jung, M. and Gabler, C. (2018). "Detection and characterization of Lactobacillus spp. in the porcine seminal plasma and their influence on boar semen quality." PLoS One 13(9): e0202699, Link

 

 

Mense, K., Heidekorn-Dettmer, J., Wirthgen, E., Brockelmann, Y., Bortfeldt, R., Peter, S., Jung, M., Höflich, C., Hoeflich, A. and Schmicke, M. (2018). "Increased concentrations of insulin-like growth factor binding protein (IGFBP)-2, IGFBP-3, and IGFBP-4 are associated with fetal mortality in pregnant cows." Frontiers in Endocrinology 9(310), Link

 

 

Schulze, M., Bortfeldt, R., Schäfer, J., Jung, M. and Fuchs-Kittowski, F. (2018). "Effect of vibration emissions during shipping of artificial insemination doses on boar semen quality." Animal Reproduction Science 192: 328-334, Link

 

 

Peter, S., Gärtner, M. A., Michel, G., Ibrahim, M., Klopfleisch, R., Lübke-Becker, A., Jung, M., Einspanier, R. and Gabler, C. (2018). "Influence of intrauterine administration of Lactobacillus buchneri on reproductive performance and pro-inflammatory endometrial mRNA expression of cows with subclinical endometritis." Scientific Reports 8(1): 5473, Link

 

 

Luther, A., Le Thi, X., Schafer, J., Schulze, M. and Waberski, D. (2018). "Irradiation of semen doses with LED-based red light in a photo chamber does not improve in vitro quality of thermically stressed boar spermatozoa." Reproduction in Domestic Animals 53(4): 1016-1019, Link

 

 

Schulze, M., Kuster, C., Schäfer, J., Jung, M. and Grossfeld, R. (2018). "Effect of production management on semen quality during long-term storage in different European boar studs." Animal Reproduction Science 190: 94-101, Link

 

 

Schulze, M., Schäfer, J., Jung, M. and Waberski, D. (2017). "Research in reproduction - new ways to ensure sperm quality in artificial insemination of swine." Züchtungskunde 89(1): 22-28, Link

 

 

Schäfer, J., Waberski, D., Jung, M. and Schulze, M. (2017). "Impact of holding and equilibration time on post-thaw quality of shipped boar semen." Animal Reproduction Science 187: 109-115, Link

 

 

Ibrahim, M., Peter, S., Wagener, K., Drillich, M., Ehling-Schulz, M., Einspanier, R. and Gabler, C. (2017). "Bovine Endometrial Epithelial Cells Scale Their Pro-inflammatory Response In vitro to Pathogenic Trueperella pyogenes Isolated from the Bovine Uterus in a Strain-Specific Manner." Frontiers in Cellular and Infection Microbiology 7: 264, Link

 

 

Schulze, M., Ammon, C., Schäfer, J., Luther, A. M., Jung, M. and Waberski, D. (2017). "Impact of different dilution techniques on boar sperm quality and sperm distribution of the extended ejaculate." Animal Reproduction Science 182: 138-145, Link

 

 

Schulze, M., Grobbel, M., Riesenbeck, A., Brüning, S., Schäfer, J., Jung, M. and Grossfeld, R. (2017). "Dose rates of antimicrobial substances in boar semen preservation-time to establish new protocols." Reproduction in Domestic Animals 52(3): 397-402, Link

 

 

Meyerholz, M. M., Mense, K., Linden, M., Raliou, M., Sandra, O., Schuberth, H. J., Hoedemaker, M. and Schmicke, M. (2016). "Peripheral thyroid hormone levels and hepatic thyroid hormone deiodinase gene expression in dairy heifers on the day of ovulation and during the early peri-implantation period." Acta Veterinaria Scandinavica 58(1): 52, Link

 

 

Ibrahim, M., Peter, S., Gartner, M. A., Michel, G., Jung, M., Einspanier, R. and Gabler, C. (2016). "Increased mRNA expression of selected antimicrobial peptides around ovulation and during inflammatory processes in the bovine endometrium postpartum." Theriogenology 86(8): 2040-2053, Link

 

 

Schulze, M., Dathe, M., Waberski, D. and Müller, K. (2016). "Liquid storage of boar semen: Current and future perspectives on the use of cationic antimicrobial peptides to replace antibiotics in semen extenders." Theriogenology 85(1): 39-46, Link

 

 

Schulze, M., Ammon, C., Nürnberg, G., Rüdiger, K., Jung, M. and Demeler, J. (2016). "Field study analysis of the influences of deworming regimens and housing conditions on parasites and sperm output in 21 European boar studs." The Veterinary Journal 209: 186-189, Link

 

 

Gärtner, M. A., Peter, S., Jung, M., Drillich, M., Einspanier, R. and Gabler, C. (2016). "Increased mRNA expression of selected pro-inflammatory factors in inflamed bovine endometrium in vivo as well as in endometrial epithelial cells exposed to Bacillus pumilus in vitro." Reproduction, Fertility and Development 28(7): 982-994, Link

 

 

Schulze, M., Rüdiger, K., Jung, M. and Grossfeld, R. (2015). "Use of refractometry as a new management tool in AI boar centers for quality assurance of extender preparations." Animal Reproduction Science 152: 77-82, Link

 

 

Schulze, M., Ammon, C., Rüdiger, K., Jung, M. and Grobbel, M. (2015). "Analysis of hygienic critical control points in boar semen production." Theriogenology 83(3): 430-437, Link

 

 

Jung, M., Rüdiger, K. and Schulze, M. (2015). "In vitro measures for assessing boar semen fertility." Reproduction in Domestic Animals 50 Suppl 2: 20-24, Link

 

 

Schulze, M., Grobbel, M., Müller, K., Junkes, C., Dathe, M., Rüdiger, K. and Jung, M. (2015). "Challenges and limits using antimicrobial peptides in boar semen preservation." Reproduction in Domestic Animals 50 Suppl 2: 5-10, Link

 

 

Riesenbeck, A., Schulze, M., Rüdiger, K., Henning, H. and Waberski, D. (2015). "Quality control of boar sperm processing: Implications from European AI centres and two spermatology reference laboratories." Reproduction in Domestic Animals 50 Suppl 2: 1-4, Link

 

 

Peter, S., Michel, G., Hahn, A., Ibrahim, M., Lübke-Becker, A., Jung, M., Einspanier, R. and Gabler, C. (2015). "Puerperal influence of bovine uterine health status on the mRNA expression of pro-inflammatory factors." Journal of Physiology and Pharmacology 66(3): 449-462, Link

 

 

Schulze, M., Rüdiger, K. and Waberski, D. (2015). "Rotation of boar semen doses during storage affects sperm quality." Reproduction in Domestic Animals 50(4): 684-687, Link

 

 

Gärtner, M. A., Bondzio, A., Braun, N., Jung, M., Einspanier, R. and Gabler, C. (2015). "Detection and characterisation of Lactobacillus spp. in the bovine uterus and their influence on bovine endometrial epithelial cells in vitro." PLoS One 10(3): e0119793, Link

 

 

Svetlichnyy, V., Müller, P., Pomorski, T. G., Schulze, M., Schiller, J. and Müller, K. (2014). "Metabolic incorporation of unsaturated fatty acids into boar spermatozoa lipids and de novo formation of diacylglycerols." Chemistry and Physics of Lipids 177: 41-50, Link

 

 

Speck, S., Courtiol, A., Junkes, C., Dathe, M., Müller, K. and Schulze, M. (2014). "Cationic synthetic peptides: Assessment of their antimicrobial potency in liquid preserved boar semen." PLoS One 9(8): e105949, Link

 

 

Schulze, M., Junkes, C., Mueller, P., Speck, S., Ruediger, K., Dathe, M. and Mueller, K. (2014). "Effects of cationic antimicrobial peptides on liquid-preserved boar spermatozoa." PLoS One 9(6): e100490, Link

 

 

Schulze, M., Buder, S., Rüdiger, K., Beyerbach, M. and Waberski, D. (2014). "Influences on semen traits used for selection of young AI boars." Animal Reproduction Science 148(3-4): 164-170, Link

 

 

Schulze, M., Henning, H., Rüdiger, K., Wallner, U. and Waberski, D. (2013). "Temperature management during semen processing: Impact on boar sperm quality under laboratory and field conditions." Theriogenology 80(9): 990-998, Link

 

 

Schulze, M., Rüdiger, K., Müller, K., Jung, M., Well, C. and Reissmann, M. (2013). "Development of an in vitro index to characterize fertilizing capacity of boar ejaculates." Animal Reproduction Science 140(1-2): 70-76, Link

 

 

Schulze, M., Revilla-Fernandez, S., Schmoll, F., Grossfeld, R. and Griessler, A. (2013). "Effects on boar semen quality after infection with porcine reproductive and respiratory syndrome virus: a case report." Acta Veterinaria Scandinavica 55: 16, Link

 

 

Rüdiger, K. and Schulze, M. (2012). "Post-farrowing stress management in sows by administration of azaperone: Effects on piglets performance." Journal of Animal Science 90(7): 2331-2336, Link