Veterinärmedizinische Universität Wien Forschungsinformationssystem VetDoc

Iwersen Michael,

** = Publikationen gelistet in SCI/SSCI/Pubmed

Drillich, M; Chapa, JM; Iwersen, M (2019): Precision Dairy Farming - Beispiele für die Praxis. -bpt Kongress 2019; OKT 17-19, 2019; München, Germany.

Drillich, M; Iwersen, M (2019): Sensortechnologie und künstliche Intelligenz im Herdenmanagement. Die Milchpraxis : die Fachzeitschrift für Spezialisten 12-14.

Goharshahi, M; Lidauer, L; Berger, A; Kickinger, F; Öhlschuster, M; Auer, W; Klein-Jöbstl, D; Drillich, M; Iwersen, M (2019): Monitoring calves at risk for diarrhea by use of an ear-attached accelerometer system. 79-79.-17th International Conference on Production Diseases in Farm Animals (ICPD); JUN 27-29, 2019; Bern, Switzerland. (ISBN: 978-3-906813-93-6 )
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Gusterer, E; Lidauer, L; Berger, A; Kickinger, F; Öhlschuster, M; Auer, W; Drillich, M; Iwersen, M (2019): Using the SMARTBOW System for Monitoring animals suffering from periparturient disease. -9th European Conference on Precision Livestock Farming; AUG 26-29, 2019; Cork, Ireland.

Iwersen, M; Gusterer, E; Lidauer, L; Berger, A; Kickinger, F; Öhlschuster, M; Auer, W; Drillich, M; (2019): Use of an accelerometer system for identifying cows at risk for suffering from health disorders in early lactation. -Conference on precision dairy farming; JUN 18-20,2019; Rochester, United States (USA).

Iwersen, M; Lidauer, L; Berger, A; Auer, W; Tomic, D; Schrefl, M; Efrosinin, Dmitry; Sturm, Valentin; Gusterer, E; Drillich, M; Wischenbart, M (2019): Das "agriProKnow"-Projekt. -39. GIL-Jahrestagung; Feb 18-19, 2019; Vienna, Austria.

Iwersen, M; Lidauer, L; Berger, A; Auer, W; Tomic, DK; Schrefl, M; Efrosinin, D; Sturm, V; Gusterer, E; Drillich, M; Wischenbart, M (2019): Prozessbezogenes informationsmanagement in precision dairy farming. Lecture Notes in Informatics (LNI), Proceedings - Series of the Gesellschaft fur Informatik (GI). P-287: 89-94.-Jahrestagung der Gesellschaft für Informatik in der Land-, Forst- und Ernährungswirtschaft (GIL); FEB 18-19, 2019; Vienna, Austria. (ISBN: 978-388579681-7 )

** Kanz, P; Gusterer, E; Krieger, S; Schweinzer, V; Süss, D; Drillich, M; Iwersen, M (2019): Pulsoximetric monitoring of fetal arterial oxygen saturation and fetal pulse at stage II of labor to predict acidosis in newborn Holstein Friesian calves. Theriogenology. 2019;
[Article in Press]

** Krieger, S; Oczak, M; Lidauer, L; Berger, A; Kickinger, F; Öhlschuster, M; Auer, W; Drillich, M; Iwersen, M (2019): An ear-attached accelerometer as an on-farm device to predict the onset of calving in dairy cows. Biosystems Engineering 2019; 184: 190-199

Maschat, K; Lidauer, L; Berger, A; Sigler, M; Potrusil, T; Auer, W; Oczak, M; Baumgartner, J; Chapa-Gonzalez, JM; Drillich, M; Iwersen, M (2019): Akzelerometer-basierte Erfassung von Basisverhalten zur Verbesserung von Tiergesundheit, Tierwohl und Herdenmanagement. 135-140.-39. GIL-Jahrestagung in Wien; FEB 18-19, 2019; Vienna, Austria. (ISBN: 978-3-88579-681-7 )

Maschat, K; Lidauer, L; Berger, A; Sigler, M; Potrusil, T; Auer, W; Oczak, M; Baumgartner, J; Chapa-Gonzalez, JM; Drillich, M; Iwersen, M (2019): Akzelerometer-basierte Erfassung von Basisverhalten zur Verbesserung von Tiergesundheit, Tierwohl und Herdenmanagement. Lecture Notes in Informatics (LNI), Proceedings - Series of the Gesellschaft fur Informatik (GI). P-287: 135-140.-Jahrestagung der Gesellschaft für Informatik in der Land-, Forst- und Ernährungswirtschaft (GIL); FEB 18-19, 2019; Vienna, Austria. (ISBN: 978-388579681-7 )

Riosa, R; Ghaffari, MH; Iwersen, M; Suess, D; Drillich, M; Parys, C; Sauerwein, H (2019): Getting prepared for metabolomics studies: deliberate selection of samples from large animal studies. 148--70th Meeting of the Annual Meeting of the European Federation of Animal Science; AUG 26-30, 2019; Ghent, Belgium.

** Schweinzer, V; Gusterer, E; Kanz, P; Krieger, S; Süss, D; Lidauer, L; Berger, A; Kickinger, F; Öhlschuster, M; Auer, W; Drillich, M; Iwersen, M (2019): Evaluation of an ear-attached accelerometer for detecting estrus events in indoor housed dairy cows. Theriogenology. 2019; 130:19-25

Schweinzer, V; Lidauer, L; Berger, A; Kickinger, F; Öhlschuster, M; Auer, W; Drillich, M; Iwersen, M (2019): Evaluation of the sensor System SMARTBOW for detecting estrus in confined dairy cows. -9th European Conference on Precision Livestock Farming; AUG 26-29, 2019; Cork, Ireland.

Schweinzer, V; Lidauer, L; Berger, A; Kickinger, F; Öhlschuster, M; Auer, W; Drillich, M; Iwersen, M; (2019): Evaluation of an ear-attached accelerometer for detecting selected estrus events in dairy cows. -Conference on precision dairy farming; JUN 18-20,2019; Rochester, United States (USA).

Sturm, V; Efrosinin, D; Efrosinina, N; Roland, L; Iwersen, M; Drillich, M; Auer, W (2019): A Chaos Theoretic Approach to Animal Activity Recognition. Journal of Mathematical Sciences (United States) 237(5): 730-743.

** Süss, D; Iwersen, M; Schweinzer, V; Gusterer, E; Kanz, P; Krieger, S; Pothmann, H; Wagener, K; Hoelker, M; Tesfaye, D; Schellander, K; Helmbrecht, A; Parys, C; Drillich, M (2019): Supplementing rumen-protected methionine to lactating multiparous dairy cows did not improve reproductive performance. Reprod Domest Anim. 2019; 54(9):1265-1273

** Zentrich, E; Iwersen, M; Wiedrich, MC; Drillich, M; Klein-Jöbstl, D (2019): Short communication: Effect of barn climate and management-related factors on bovine colostrum quality. J Dairy Sci. 2019; 102(8):7453-7458

Drillich, M; Schweinzer, V; Reiter, S; Roland, L; Krieger, S; Lidauer, L; Berger, A; Kickinger, F; Auer, W; Öhlschuster, M; Oczak, M; Iwersen, M (2018): Möglichkeiten zur Nutzung von Beschleunigungssensoren als Werkzeug im Herdenmanagement 214-219.-bpt-Kongress 2018; NOV 15-17, 2018; Hannover, Germany.

Gusterer, E; Wischenbart, M; Schausberger, S; Sturm, V; Efrosinin, D; Tomic, D; Auer, W; Drillich, M; Iwersen, M (2018): Process related information management in 'Precision dairy farming' - The interdisciplinary 'agriProKnow' project. -The 30th World Buiatrics Congress; AUG 28 - SEPT 1, 2018; Sapporo, Japan.

Iwersen, M (2018): Precision dairy farming - Ein Überblick. -8. Kremesberger Tagung Bestandsbetreuung Wiederkäuer; March 23, 2018; Pottenstein, Austria.

Iwersen, M; Reiter, S; Schweinzer, V; Kickinger, F; Öhlschuster, M; Lidauer, L; Berger, A; Auer, W; Drillich, M (2018): Evaluation of an ear tag based accelerometer for monitoring rumination time, chewing cycles and rumination bouts in dairy cows. -14th International Conference on Precision Agriculture; JUNE 24-27, 2018; Montreal, Canada.

Iwersen, M; Schweinzer, V; Drillich, M (2018): Monitoring rumination time, chewing cylces and rumination bouts in indoor housed dairy cows by an ear-attached accelerometer. -The 30th World Buiatrics Congress; AUG 28 - SEPT 1, 2018; Sapporo, Japan.

Kanz, P; Drillich, M; Krieger, S; Iwersen, M (2018): Evaluierung eines kabellosen Pulsoximeters zur Überwachung der Vitalparameter bei Holstein Friesian Kälbern. -12. Berlin-Brandenburgischer Rindertag; OKT 4-6, 2018; Berlin, Germany.

** Kanz, P; Iwersen, M; Krieger, S; Drillich, M (2018): Evaluation of a wireless pulse oximeter for measuring the arterial oxygen saturation and pulse frequency in Holstein Friesian calves. 51st Annual Conference of Physiology and Pathology, of Reproduction / 43rd Mutual Conference of Veterinary and Human Reproductive Medicine, Hannover, GERMANY, Germany, FEB 21-23, 2018. Reprod Domest Anim (53), S1 20-20.

** Kanz, P; Krieger, S; Drillich, M; Iwersen, M (2018): Technical note: Evaluation of a wireless pulse oximeter for measuring arterial oxygen saturation and pulse rate in newborn Holstein Friesian calves. J Dairy Sci. 2018; 101(7):6437-6442

Kanz, P; Krieger, S; Drillich, M; Iwersen. M (2018): Evaluation of a wireless pulse oximeter to measure arterial Oxygen Saturation and pulse rate in newborn Holstein Friesian calves. -14th International Conference on Precision Agriculture; JUNE 24-27, 2018; Montreal, Canada.

Kanz, P; Krieger, S; Drillich, M; Iwersen M (2018): Eligibility of a wireless pulse oximeter for monitoring of vital parameters in newborn calves. -The 30th World Buiatrics Congress; AUG 28 - SEPT 1, 2018; Sapporo, Japan.

** Krieger, S; Oczak, M; Kickinger, F; Lidauer, L; Auer, W; Drillich, M; Iwersen, M (2018): Precision livestock farming - Potential use of an accelerometer for predicting parturition in dairy cows [Digitalisierung in der Landwirtschaft - Perspektivischer Einsatz eines Beschleunigungssensors zur Geburiserkennung bei Milchkühen]. Tierarztliche Umschau 2018; 73: 58-64

Krieger, S; Oczak, M; Lidauer, L; Berger, A; Kickinger, F; Oelschuster, M; Auer, W; Drillich, M; Iwersen, M (2018): Ear-attached accelerometer as an on-farm device to predict the onset of calving in dairy cows. -14th International Conference on Precision Agriculture; JUNE 24-27, 2018; Montreal, Canada.

** Krieger, S; Sattlecker, G; Kickinger, F; Auer, W; Drillich, M; Iwersen, M (2018): Prediction of calving in dairy cows using a tail-mounted tri-axial accelerometer: A pilot study. Biosystems Engineering 173: 79-84.

** Reiter, S; Sattlecker, G; Lidauer, L; Kickinger, F; Öhlschuster, M; Auer, W; Schweinzer, V; Klein-Jöbstl, D; Drillich, M; Iwersen, M (2018): Evaluation of an ear-tag-based accelerometer for monitoring rumination in dairy cows. J Dairy Sci. 2018; 101(4):3398-3411

** Roland, L; Lidauer, L; Sattlecker, G; Kickinger, F; Auer, W; Sturm, V; Efrosinin, D; Drillich, M; Iwersen, M (2018): Monitoring drinking behavior in bucket-fed dairy calves using an ear-attached tri-axial accelerometer: A pilot study. Computers and Electronics in Agriculture 2018; 145: 298-301

Roland, L; Sattlecker, G; Kickinger, F; Lidauer, L; Berger, A; Auer, W; Sturm, V; Efrosinin, D; Drillich, M; Iwersen, M (2018): A Pilot study on Monitoring drinking behaviour in bucket-fed dairy calves using an ear-attached tri-axial accelerometer. -14th International Conference on Precision Agriculture; JUNE 24-27, 2018; Montreal, Canada.

** Roland, L; Schweinzer, V; Kanz, P; Sattlecker, G; Kickinger, F; Lidauer, L; Berger, A; Auer, W; Mayer, J; Sturm, V; Efrosinin, D; Breitenberger, S; Drillich, M; Iwersen, M (2018): Technical note: Evaluation of a triaxial accelerometer for monitoring selected behaviors in dairy calves. J Dairy Sci. 2018; 101(11):10421-10427

Schweinzer, V; Drillich, M; Iwersen, M; Laura, L; Kickinger, F; Öhlschuster, M; Auer, W (2018): Evaluation of an ear-attached accelerometer for detecting heat events in indoor housed dairy cows. -The 30th World Buiatrics Congress; AUG 28 - SEPT 1, 2018; Sapporo, Japan.

Schweinzer, V; Lidauer, L; Berger, A; Kickinger, F; Öhlschuster, M; Auer, W; Drillich, M; Iwersen, M (2018): Evaluation of the ear-tag sensor System SMARTBOW for detecting estrus events in indoor housed dairy cows. -14th International Conference on Precision Agriculture; JUNE 24-27, 2018; Montreal, Canada.

Schweinzer, V; Lidauer, L; Berger, A; Kickinger, F; Öhlschuster, M; Auer, W; Drillich, M; Iwersen, M; (2018): Evaluierung eines ohrmarkenbasierenden Beschleunigungssensors zur Brunsterkennung bei Milchkühen. -12. Berlin-Brandenburgischer Rindertag; OKT 4-6, 2018; Berlin, Germany.

** Sturm, V; Mayer, J; Efrosinin, D; Roland, L; Iwersen, M; Drillich, M; Auer, W (2018): Automatic recognition of a weakly identified animal activity state based on data transformation of 3D acceleration sensor. Communications in Computer and Information Science. 919: 547-560.-21st International Conference, DCCN 2018; SEP 17–21, 2018; Moscow, Russia. Communications in Computer and Information Science 919; (ISBN: 978-3-319-99446-8 )

Wagener, K; Schlegl, R; Ehling-Schulz, M; Reinländer, U; Iwersen, M; Drillich, M (2018): Effect of post-insemination intrauterine treatment with cephapirin on the subsequent reproductive performance of dairy cows with mild end. -10th International Ruminant Reproduction Symposium; SEP 16-20, 2018; Foz do Iguacu, Brazil.

** Iwersen, M; Thiel, A; Süss, D; Klein-Jöbstl, D; Wagener, K; Drillich, M (2017): Short communication: Repeatability of β-hydroxybutyrate measurements in capillary blood obtained from the external vulvar skin. J Dairy Sci. 2017; 100(7):5717-5723

Iwersen,M; Drillich,M (2017): Digitale Revolution im Kuhstall - das Einzeltier steht im Mittelpunkt. Österreichische Bauernzeitung 7-7.

Klein-Jöbstl, D; Bartens M-C; Rychli, K; Iwersen, M; Arnholdt, T; Meyer, L; Drillich, M (2017): Überprüfung der Kolostrumqualität. -7. Kremesberger Tagung "Bestandsbetreuung Wiederkäuer"; MAR 15, 2017; Pottenstein, Austria.

Marar, D; Gusterer, E; Iwersen, M; Kanz, P; Krieger, S; Schweinzer, V; Süss, D; Wagener, K; Drillich, M (2017): Zusammenhänge zwischen Hypokalzämie und dem Auftreten von Endometritiden beim Rind. -7. Kremesberger Tagung "Bestandsbetreuung Wiederkäuer"; MAR 15, 2017; Pottenstein, Austria.

Reiter, S; Iwersen, M; Schweinzer, V; Kickinger, F; Öhlschuster, M; Sattlecker, G; Auer, W; Drillich, M (2017): Eignung eines ohrmarkenbasierten Sensors zur Erfassung der Wiederkauaktivität bei Milchkühen. -7. Kremesberger Tagung "Bestandsbetreuung Wiederkäuer"; MAR 15, 2017; Pottenstein, Austria.

** Schweinzer, V; Iwersen, M; Drillich, M; Wittek, T; Tichy, A; Mueller, A; Krametter-Froetscher, R (2017): Macromineral and trace element supply in sheep and goats in Austria. Veterinarni Medicina 2017; 62: 62-73
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Sturm, V; Efrosinin, D; Efrosinina, N; Roland, L; Iwersen, M; Drillich, M; Auer, W (2017): Automated classification of a Calf’s feeding state based on data collected by active sensors with 3D-accelerometer. Communications in Computer and Information Science. 700: 120-134.-20th International Conference on Distributed Computer and Communication Networks, DCCN 2017; SEP 25-29, 2017; Moscow, Russia. (ISBN: 9783319668352 )

** Bartens, MC; Drillich, M; Rychli, K; Iwersen, M; Arnholdt, T; Meyer, L; Klein-Jöbstl, D (2016): Assessment of different methods to estimate bovine colostrum quality on farm. N Z Vet J. 2016; 64(5):263-267

Drillich, M; Iwersen, M (2016): Fruchtbarkeitskennzahlen - Wo darf eine hochleistende Milchviehherde stehen? -8. Leipziger Tierärztekongress; Jan 14-16, 2016; Leipzig, GERMANY.

Drillich, M; Iwersen, M (2016): Herausforderungen in der tierärztlichen Betreuung von Milchviehbetrieben. Vet-Journal 22-28.

Iwersen, M (2016): Was kann Sensor Technologie im Kuhstall (nicht)? 15-22.-6. Kremesberger Tagung "Bestandsbetreuung Wiederkäuer"; FEB 16, 2016; Kremesberg, AUSTRIA. Tagungsband;

** Keinprecht H; Pichler M; Pothmann H; Huber J; Iwersen M; Drillich M (2016): Short term repeatability of body fat thickness measurement and body condition scoring in sheep as assessed by a relatively small number of assessors. Small Ruminant Research 2016; 139: 30-38

** Klein-Jöbstl, D; Sofka, D; Iwersen, M; Drillich, M; Hilbert, F (2016): Multilocus Sequence Typing and Antimicrobial Resistance of Campylobacter jejuni Isolated from Dairy Calves in Austria. Front Microbiol. 2016; 7:72
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Krieger, S; Kanz, P; Aurich, C; Nagel, C; Iwersen, M; Drillich, M (2016): Herzfrequenzmuster von Milchkühen in der zweiten Phase der Geburt. 101-102.-11. Berlin-Brandenburgischer Rindertag; OKT 7-8, 2016; Berlin, GERMANY.

Krieger, S; Kanz, P; Aurich, C; Nagel, C; Iwersen, M; Drillich, M (2016): Maternal heart rate dynamics during the second stage of labour in dairy cows. 580-581.-World Buiatrics Congress; July, 3-8, 2016; Dublin, Ireland. IN: Doherty, M [Ed.]: Proceedings of the World Buiatrics Congress 2016; (ISBN: 978-1-5262-0432-5 )

Krieger, S; Sattlecker, G; Kickinger, F; Auer, W; Iwersen, M; Drillich, M (2016): Prediction of calving in dairy cows using tail-mounted accelerometers. 275-278.-Precision Dairy Farming 2016; JUN 21-23, 2016; Leeuwarden, THE NETHERLANDS. (ISBN: 978-90-8686-283-2 )

Krieger, S; Sattlecker, G; Kickinger, F; Auer, W; Iwersen, M; Drillich, M (2016): Geburtsvorhersage mittels am Schwanz von Milchkühen befestigter Beschleunigungssensoren. 161-162.-11. Berlin-Brandenburgischer Rindertag; OKT 7-8, 2016; Berlin, GERMANY.

** Mair, B; Drillich, M; Klein-Jöbstl, D; Kanz, P; Borchardt, S; Meyer, L; Schwendenwein, I; Iwersen, M (2016): Glucose concentration in capillary blood of dairy cows obtained by a minimally invasive lancet technique and determined with three different hand-held devices. BMC Vet Res. 2016; 12:34
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Reiter, S; Iwersen, M; Schweinzer, V; Kickinger, F;Öhlschuster, M; Sattlecker, G; Auer, W; Drillich, M (2016): Evaluierung eines ohrmarkenbasierten Beschleunigungssensors zur Erfassung der Wiederkauaktivität bei Milchkühen. 103-105.-11. Berlin-Brandenburgischer Rindertag; OKT 7-8, 2016; Berlin, GERMANY.

** Roland, L; Drillich, M; Klein-Jöbstl, D; Iwersen, M (2016): Invited review: Influence of climatic conditions on the development, performance, and health of calves. J Dairy Sci. 2016; 99(4):2438-2452

Roland, L; Iwersen, M; Schweinzer, V; Kanz, P; Kickinger, F; Öhlschuster, M; Sattlecker, G; Auer, W; Sturm, V; Efrosinin, D; Drillich, M (2016): Evaluierung eines Beschleunigungssensors zum Monitoring von des Trinkverhaltens von ad libitum getränkten Kälbern. 157-160.-11. Berlin-Brandenburgischer Rindertag; OKT 7-8, 2016; Berlin, GERMANY.

** Süss, D; Drillich, M; Klein-Jöbstl, D; Wagener, K; Krieger, S; Thiel, A; Meyer, L; Schwendenwein, I; Iwersen, M (2016): Measurement of β-hydroxybutyrate in capillary blood obtained from an ear to detect hyperketonemia in dairy cows by using an electronic handheld device. J Dairy Sci. 2016; 99(9):7362-7369

Tomic, D; Iwersen, M; Auer, W (2016): Cow time budget and beyond - experience with the Smartbow system. 81-87.-Precision Dairy Farming 2016; JUN 21-23, 2016; Leeuwarden, THE NETHERLANDS. (ISBN: 978-90-8686-283-2 )

Iwersen, M (2015): Überwachung des Energiestoffwechsels am Tier - Kapillarblutprobe: Möglichkeiten und Grenzen. 17-22.-5. Kremesberger Tagung "Bestandsbetreuung Wiederkäuer"; FEB 2, 2015; Kremesberg, AUSTRIA. Tagungsband;

Iwersen, M; Drillich, M (2015): Retained fetal membranes in dairy cows. Livestock (20), 3 142-146.

Iwersen, M; Klein-Jöbstl, D; Drillich, M (2015): Überwachung des Energiestoffwechsels von Milchkühen in der Frühlaktation - eine sinnvolle Maßnahme zur Vermeidung von Folgeerkrankungen. Klauentierpraxis (23), 1 17-23.

** Kanz, P; Drillich, M; Klein-Jöbstl, D; Mair, B; Borchardt, S; Meyer, L; Schwendenwein, I; Iwersen, M (2015): Suitability of capillary blood obtained by a minimally invasive lancet technique to detect subclinical ketosis in dairy cows by using 3 different electronic hand-held devices. J Dairy Sci. 2015; 98(9):6108-6118

** Klein-Jöbstl, D; Arnholdt, T; Sturmlechner, F; Iwersen, M; Drillich, M (2015): Results of an online questionnaire to survey calf management practices on dairy cattle breeding farms in Austria and to estimate differences in disease incidences depending on farm structure and management practices. Acta Vet Scand. 2015; 57:44
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Klein-Jöbstl, D; Bartens, M-C; Arnholdt, T; Rychli, K; Meyer, L; Ivanyos, D; Iwersen, M; Drillich, M (2015): Evaluation of different methods to estimate colostrum quality on farm. -XV. Middle European Buitric Congress, 10th Symposium of the ECBHM; JUN 10-13; Maribor, SLOVENIA.

Klein-Jöbstl, D; Bartens, M-C; Rychli, K; Iwersen, M; Drillich, M (2015): Management der Kolostrumversorgung von Kälbern. -bpt-Kongress; OCT 8-11, 2015; München, GERMANY.

** Pothmann, H; Spergser, J; Elmer, J; Prunner, I; Iwersen, M; Klein-Jöbstl, D; Drillich, M (2015): Severe Mycoplasma bovis outbreak in an Austrian dairy herd. J Vet Diagn Invest. 2015; 27(6):777-783

** Arnholdt, T; Klein-Jöbstl, D; Rychli, K; Borchardt, S; Iwersen, M; Drillich, M (2014): Estimation of colostrum quality in the field by Brix refractometry. 47th Annual Conference for Physiology and Pathology of Reproduction / 39th Joint Veterinarian-Human-Medicine Congress, Giessen, GERMANY, FEB 27-28, 2014. Reprod Domest Anim (49), S1 9-9.

Iwersen, M (2014): Möglichkeiten der Datenerfassung und -auswertung in Milchviehbeständen. 51-66.-4. Kremesberger Tagung "Bestandsbetreuung Wiederkäuer"; FEB 12, 2014; Pottenstein, AUSTRIA. Tagungsband;

Iwersen, M; Kanz, P; Mair, B; Roland, L; Fidlschuster, B; Schwendenwein, I; Borchardt, S; Meyer, L; Drillich, M (2014): Vergleich verschiedener Schnelltestgeräte zur Ketosediagnostik beim Rind und der Einfluss der Temperatur auf das Probenergebnis. -10. Berlin-Brandenburgischer Rindertag; OCT 2-4, 2014; Berlin, GERMANY.

Kanz, P; Iwersen, M; Mair, B; Schwendenwein, I; Borchardt, S; Meyer, L; Drillich, M (2014): Eignung minimalinvasiv gewonnenen Kapillarblutes zum Nachweis einer subklinischen Ketose beim Rind. -10. Berlin-Brandenburgischer Rindertag; OCT 2-4,2014; Berlin, GERMANY.

Klein-Jöbstl, D; Arnholdt, T; Rychli, K; Borchardt, S; Iwersen, M; Drillich, M (2014): Estimation of colostrum Quality in the field by brix refractometry. -XIX Congreso Internacional Anembe de medicina bovina IX ECBHM Symposium; JUNI 25-27, 2014; Oviedo, SPAIN.

** Klein-Jöbstl, D; Iwersen, M; Drillich, M (2014): Farm characteristics and calf management practices on dairy farms with and without diarrhea: a case-control study to investigate risk factors for calf diarrhea. J Dairy Sci. 2014; 97(8):5110-5119

Mair, B; Iwersen, M; Kanz, P; Schwendenwein, I; Borchardt, S; Meyer, L; Drillich, M (2014): Eignung elektronischer Schnelltestgeräte zur Bestimmung der Glukosekonzentration im Vollblut des Rindes. -10. Berlin-Brandenburgischer Rindertag; OCT 2-4, 2014; Berlin, GERMANY.

** Pichler, M; Damberger, A; Arnholdt, T; Schwendenwein, I; Gasteiner, J; Drillich, M; Iwersen, M (2014): Evaluation of 2 electronic handheld devices for diagnosis of ketonemia and glycemia in dairy goats. J Dairy Sci. 2014; 97(12):7538-7546

** Pichler, M; Damberger, A; Schwendenwein, I; Gasteiner, J; Drillich, M; Iwersen, M (2014): Thresholds of whole-blood β-hydroxybutyrate and glucose concentrations measured with an electronic hand-held device to identify ovine hyperketonemia. J Dairy Sci. 2014; 97(3):1388-1399

** Roland, L; Drillich, M; Fidlschuster, B; Schwendenwein, I; Iwersen, M (2014): Short communication: evaluation of an automated in-house hematology analyzer for bovine blood. J Dairy Sci. 2014; 97(9):5580-5586

** Roland, L; Drillich, M; Iwersen, M (2014): Hematology as a diagnostic tool in bovine medicine. J Vet Diagn Invest. 2014; 26(5):592-598

Zebeli, Q; Besenfelder, U; Iwersen, M (2014): High performance and fertility in dairy cows: Illusion or reality? 241-253.-World Nutrition Forum; OCT 15-29, 2014; Munich, GERMANY.

Arnholdt, T; Klein-Jöbstl, D; Borchardt, S; Iwersen, M; Drillich, M (2013): A comparison between refractometry and density determination of colostrum. -15th International Conference on Production Diseases in Farm Animals; JUNE 24-28, 2013; Uppsala, SWEDEN.

Arnholdt, T; Klein-Jöbstl, D; Iwersen, M; Drillich, M (2013): Kälbermanagement in österreichischen Milchviehbetrieben. -8. Wiener Wiederkäuer Modul "Kälbergesundheit"; NOV 22-23, 2013; Pottenstein, AUSTRIA.

Arnholdt, T; Klein-Jöbstl, D; Sturmlechner, F; Iwersen, M; Drillich, M (2013): An online Survey on farmers' view of calves rearing in Austria. -15th International Conference on Production Diseases in Farm Animals; JUNE 24-28, 2013; Uppsala, SWEDEN.

Iwersen, M (2013): Globale Erwärmung - Herausforderung für österreichische Milchviehbetriebe? -8. Wiener Wiederkäuer Modul "Kälbergesundheit"; NOV 22-23, 2013; Pottenstein, AUSTRIA.

Iwersen, M; Drillich, M (2013): Ovarialzysten beim Rind - Ätiologie, Risikofaktoren und Therapie. Veterinär-Spiegel 170-174.

** Iwersen, M; Klein-Jöbstl, D; Pichler, M; Roland, L; Fidlschuster, B; Schwendenwein, I; Drillich, M (2013): Comparison of 2 electronic cowside tests to detect subclinical ketosis in dairy cows and the influence of the temperature and type of blood sample on the test results. J Dairy Sci. 2013; 96(12):7719-7730

Iwersen, M; Pichler, M; Damberger, A; Beesk, H; Reiter, T; Schwendenwein, I; Drillich, M (2013): Evaluation of various on-farm tests for detection of hyperketonemia in sheep. -8th International Sheep Veterinary Congress; FEB 18-22, 2013; Rotorua, NEW ZEALAND.

Iwersen, M; Pichler, M; Klein-Jöbstl, D; Fidlschuster, B; Rolland, L; Schwendenwein, I; Drillich, M (2013): Comparison of two electronic hand-Held devices for detection of hyperketonemia in dairy cows. -15th International Conference on Production Diseases in Farm Animals; JUNE 24-28, 2013; Uppsala, SWEDEN.

** Klein, D; Alispahic, M; Sofka, D; Iwersen, M; Drillich, M; Hilbert, F (2013): Prevalence and risk factors for shedding of thermophilic Campylobacter in calves with and without diarrhea in Austrian dairy herds. J Dairy Sci. 2013; 96(2):1203-1210

** Klein-Jöbstl, D; Szenci, O; Iwersen, M; Bohak, Z; Szelenyi, Z; Drillich, M; Baumgartner, W (2013): Calf diarrhoea. Literature review. Magy Allatorvosok (135), 5 278-284.

Pichler, M; Iwersen, M; Damberger, A; Schwendenwein, I; Gasteiner, J; Drillich, M (2013): Evaluation of an electronic hand-held meter for measurement of ß-hydroxybutyrate (BHB) in ewes. -8th International Sheep Veterinary Congress; FEB 18-22, 2013; Rotorua, NEW ZEALAND.

Prunner, I; Klein, D; Iwersen, M; Drillich, M (2013): Aborte bei Milchkühen - Vorgehensweise am Beispiel einer Neospora caninum Infektion. Klauentierpraxis (21), 3 13-21.

** Atzmüller, C; Pothmann-Reichl, H; Iwersen, M; Drillich, M (2012): [Continuing education in cattle practice - results of a survey]. Tierarztl Prax Ausg G Grosstiere Nutztiere. 2012; 40(4):217-224

Drillich, M; Iwersen, M (2012): Instrumente der Bestandsbetreuung. RindSchweinSchaf 02, 6-9.

Iwersen, M (2012): Was "sagt" die Kuh zur Ration?. -Wiener Wiederkäuer Module Modul 6: Fütterung und Stoffwechsel; NOV 16-17, 2012; Pottenstein, AUSTRIA. Tagungsband;

Iwersen, M (2012): Was sagt die Kuh zur Ration? - Kontrollpunkte in der Milchviehfütterung. Berlin, Vetion,

Iwersen, M (2012): Datenerfassung und -analyse in Milchviehbeständen. Berlin, Vetion,

** Iwersen, M; Klein, D; Drillich, M (2012): [Using on-farm records to evaluate the reproductive performance in dairy herds]. Tierarztl Prax Ausg G Grosstiere Nutztiere. 2012; 40(4):264-274

Iwersen, M; Pichler, M; Damberger, A; Beesk, H; Reiter, T; Schwendenwein, I; Drillich, M (2012): Ketosediagnostik beim Schaf. 89-89.-3. Kremesberger Tagung "Bestandsbetreuung Wiederkäuer"; AUG 25-26, 2012; Pottenstein. IN: Tagungsband zur 3. Kremesberger Tagung "Bestandsbetreuung Wiederkäuer";

Iwersen, M; Pichler, M; Damberger, A; Beesk, H; Reiter, T; Schwendenwein, I; Drillich, M (2012): Eignung verschiedener Schnelltests zur Diagnostik der subklinischen Ketose beim Schaf. -9. Berlin-Brandenburgischer Rindertag; OCT 4-6, 2012; Berlin, GERMANY.

Iwersen, M; Pichler, M; Damberger, A; Klein, D; Schwendenwein, I; Drillich, M (2012): Vergleich von zwei elektronischen Schnelltestgeräten zum Nachweis einer Ketose beim Rind. 91-91.-3. Kremesberger Tagung "Bestandsbetreuung Wiederkäuer"; AUG 25-26, 2012; Pottenstein, AUSTRIA. IN: Tagungsband zur 3. Kremesberger Tagung "Bestandsbetreuung Wiederkäuer";

** Iwersen, M; Pichler, M; Schwendenwein, I; Klein, D; Drillich, M (2012): Comparison of two electronic hand-held devices for detection of hyper-ketonemia in dairy cows. 16th Annual Conference of the European-Society-for-Domestic-Animal-Reproduction (ESDAR), Dublin, IRELAND, AUG 29 - SEP 01, 2012. Reprod Domest Anim (47) 68-69.

** Pichler, M; Gasteiner, J; Damberger, A; Iwersen, M; Drillich, M (2012): Evaluation of an electronic hand-held meter for measurement of beta-hydroxybutyrate (BHB) in ewes. 45th Annual Conference of Physiology and Pathology of Reproduction/37th Joint Conference on Veterinary and Human Reproduction Medicine/1st Joint German-Polish Conference on Reproductive Medicine, Berlin, GERMANY, FEB 29 - MAR 02, 2012. Reprod Domest Anim (47) 8-8.

Pichler, M; Gasteiner, J; Damberger, A; Schwendenwein, I; Drillich, M; Iwersen, M (2012): Evaluation of an electronic hand-held device for measurement of ß-hydroxybutyrate (BHB) in ewes. -XXVII. World Buiatrics Congress; June 3-8, 2012; Lisbon, Portugal.

** Pichler, M; Gasteiner, J; Schwendenwein, I; Damberger, A; Drillich, M; Iwersen, M (2012): Evaluation of an electronic hand-held device for measurement of beta-hydroxybutyrate in ewes. 16th Annual Conference of the European-Society-for-Domestic-Animal-Reproduction (ESDAR), Dublin, IRELAND, AUG 29 - SEP 01, 2012. Reprod Domest Anim (47) 69-69.

Pichler, M; Iwersen, M; Drillich, M (2012): Ketosediagnostik - Scha(r)f betrachtet. Vet-Med-Report 6-6.

Prunner, I; Iwersen, M; Klein, D; Drillich, M (2012): Bestandsproblem schlechte Fruchtbarkeitsleistung bei Milchkühen - ein Fallbericht. Klauentierpraxis (20), 3 95-99.

** Heuwieser, W; Iwersen, M; Goetze, L (2011): Efficacy of carprofen on conception rates in lactating dairy cows after subcutaneous or intrauterine administration at the time of breeding. J Dairy Sci. 2011; 94(1):146-151

Iwersen, M (2011): Jedes Jahr ein Kalb. Blick ins Land (OKT 2011) 34-35.

Iwersen, M (2011): Nach der Kalbung ist vor der Kalbung. Vet-Med-Report (1/2011), 1 2-2.

Klein, D; Iwersen, M (2011): Kälbererhaltung in Milchviehbetrieben. -2. Kremesberger Tagung; SEPT 10, 2011; Kremesberg, AUSTRIA.

Klein, D; Iwersen, M (2011): Vergleich der Kälberhaltung in kleineren und größeren Betrieben. Berlin, VETION,

Pichler, M; Iwersen, M; Damberger, A; Gasteiner, J; Drillich, M (2011): Beurteilung eines elektronischen Schnelltestgerätes zur tier- und zeitnahen Bestimmung der BHB-Konzentration beim Schaf. 115-116.-Internationale Konferenz zur Prophylaxe von Herden- bzw. Produktionskrankheiten; OKT 7-8, 2011; Leipzig, GERMANY. (ISBN: 978-3-00-035876-0 )

** Witte, TS; Iwersen, M; Kaufmann, T; Scherpenisse, P; Bergwerff, AA; Heuwieser, W (2011): Determination of ceftiofur derivatives in serum, endometrial tissue, and lochia in puerperal dairy cows after subcutaneous administration of ceftiofur crystalline free acid. J Dairy Sci. 2011; 94(1):284-290
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** Heuwieser, W; Iwersen, M; Gossellin, J; Drillich, M (2010): Short communication: survey of fresh cow management practices of dairy cattle on small and large commercial farms. J Dairy Sci. 2010; 93(3):1065-1068

Iwersen, M (2010): Einfluss der Mineralstoffversorgung auf Parameter der Fruchtbarkeit und Eutergesundheit. -18. ATV-Seminar Grünlandnutzung über Mutterkühe und Schafe; NOV 25, 2010; St. Pölten, AUSTRIA.

Iwersen, M (2010): Einfluss von Propylenglykol als Bestandteil einer Totalen Mischration während der Frühlaktation auf die Tier- und Stoffwechselgesundheit sowie auf Leistungsparameter von Milchkühen. Dissertation, Freie Universität Berlin, pp. 163.

** Iwersen, M; Falkenberg, U; Voigtsberger, R; Forderung, D; Heuwieser, W (2009): Evaluation of an electronic cowside test to detect subclinical ketosis in dairy cows. J Dairy Sci. 2009; 92(6):2618-2624

** Falkenberg, U; Haertel, J; Rotter, K; Iwersen, M; Arndt, G; Heuwieser, W (2008): Relationships between the concentration of insulin-like growth factor-1 in serum in dairy cows in early lactation and reproductive performance and milk yield. J Dairy Sci. 2008; 91(10):3862-3868

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