• Megabakteriosen bei verschiedenen Vogelspezies. DVG Tag Vogelkr. 9:104.
• Taxonomic classification of ‘megabacteria’ isolates originating from budgerigars (Melopsittacus undulatus). Tieraerztl. Prax. 28:415–420.
• Good Clinical Practice: Review and Expectation, 8th International Congress of the European Association of Veterinary Pharmacology and Toxicology (EAVPT).
• Investigations on the use of chromium oxide as an inert, external marker in captive Asian elephants (Elephas maximus): passage and recovery rates. Poster Presentation, International Elephant and Rhino Research Symposium, Vienna, Austria.
• Studies on feed digestibilities in Asian elephants (Elephas maximus). 5th Annual Conference of European Society of Veterinary and Comparative Nutrition, Sursee, Switzerland.
• Verkürzung der Messdauer bei der rektalen Temperaturmessung in der tierärztlichen Praxis. Tierärztliche Umschau 56: 658-661.
• Hinweise zur praktischen Umsetzung der GVP, BpT Congress Hanover, Germany.
• Umsetzung rechtlicher Anforderungen in der tierärztlichen Hausapotheke. Seminar des BpT und der Klifovet AG, München/Nürnberg, 4.-5. 12. 2001.
• Clinical efficacy of Cefquinome in the treatment of exudative epidermitis in pigs. Poster Presentation, IPVC Congress, Ames, Iowa, USA.
• Änderungen im Arzneimittelrecht durch das TAMNeuOG und Qualitätsmanagement in der Tierärztlichen Hausapotheke, V.e.T. Kassel, Germany, 6. Sept. 2002
• Studies on feed digestibility in captive Asian elephants (Elephas maximus): Journal of Animal Physiology and Animal Nutrition 87: 160-173.
• The maximum attainable body size of herbivorous mammals: morphophysiological constraints on foregut, and adaptations of hindgut fermenters. Oecologia 136: 14-27.
• Investigations on the use of chromium oxide as an inert external marker in captive Asian elephants (Elephas maximus): passage and recovery rates. In: Fidgett et al. (Ed.) Zoo Animal Nutrition Vol. II, Filander, Fuerth, Germany.
• Bakteriologische Isolierungsergebnisse in Abhängigkeit von der Methodik, AVID Tagung Kloster Banz, Staffelstein, Germany.
• A cost benefit study on the control of porcine proliferative enteropathy in a commercial grower unit in Germany. IPVS Congress, 16th – 19th July 2006, Copenhagen, Denmark.
• Feldstudie zur Wirksamkeit von parenteralen Kalziumlösungen bei der Behandlung der hypokalzämischen Gebärparese des Rindes; Der Praktische Tierarzt 88: 4, 258-266 (2007)
• Behandlung von Sportpferden mit Corticosteroiden: Nachweiszeiten von Flumethason und Betamethason beim Pferd nach i.v. Applikation von Acutol und i.a. Applikation von Celestovet. Pferdeheilkunde 23:476-480.
• Field Study Investigating the Advantages of a Combined Treatment with Florfenicol and Flunixin (Resflor®) of Bovine Respiratory Disease. XXV World Buiatrics Congress, 6th – 11th July 2008, Budapest, Hungary.
• An Innovative Long Acting Florfenicol Formulation for the Treament of Bovine Respiratory Disease. BCVA Congress Vol. 18 Part 3, 14th – 16th October 2010, Torquay, UK.
• Behandlung von Atemwegsinfektionen beim Rind mit Langzeit-Florfenicol. Der Praktische Tierarzt 92, Heft 2, 157-158 (2011)-O Wolf (2002): Änderungen im Arzneimittelrecht durch das TAMNeuOG und Qualitätsmanagement in der Tierärztlichen Hausapotheke, V.e.T. Kassel, Germany, 6. Sept. 2002
• Studies on feed digestibility in captive Asian elephants (Elephas maximus): Journal of Animal Physiology and Animal Nutrition 87: 160-173.
• M Clauss, R Frey, B Kiefer, M Lechner-Doll, W Loehlein, C Polster, GE Rössner, WJ Streich (2003): The maximum attainable body size of herbivorous mammals: morphophysiological constraints on foregut, and adaptations of hindgut fermenters. Oecologia 136: 14-27.
• Investigations on the use of chromium oxide as an inert external marker in captive Asian elephants (Elephas maximus): passage and recovery rates. In: Fidgett et al. (Ed.) Zoo Animal Nutrition Vol. II, Filander, Fuerth, Germany.
• Bakteriologische Isolierungsergebnisse in Abhängigkeit von der Methodik, AVID Tagung Kloster Banz, Staffelstein, Germany.
• A cost benefit study on the control of porcine proliferative enteropathy in a commercial grower unit in Germany. IPVS Congress, 16th – 19th July 2006, Copenhagen, Denmark.
• Feldstudie zur Wirksamkeit von parenteralen Kalziumlösungen bei der Behandlung der hypokalzämischen Gebärparese des Rindes; Der Praktische Tierarzt 88: 4, 258-266 (2007)
• Behandlung von Sportpferden mit Corticosteroiden: Nachweiszeiten von Flumethason und Betamethason beim Pferd nach i.v. Applikation von Acutol und i.a. Applikation von Celestovet. Pferdeheilkunde 23:476-480.
• Field Study Investigating the Advantages of a Combined Treatment with Florfenicol and Flunixin (Resflor®) of Bovine Respiratory Disease. XXV World Buiatrics Congress, 6th – 11th July 2008, Budapest, Hungary.
• An Innovative Long Acting Florfenicol Formulation for the Treament of Bovine Respiratory Disease. BCVA Congress Vol. 18 Part 3, 14th – 16th October 2010, Torquay, UK.
• Behandlung von Atemwegsinfektionen beim Rind mit Langzeit-Florfenicol. Der Praktische Tierarzt 92, Heft 2, 157-158 (2011)
• Comparative efficacy of tildipirosin (Zuprevo®) in the treatment of bovine respiratory disease. ECBHM Congress, 7th – 9th September 2011, Liège, Belgium
• Comparative efficacy of tildipirosin (Zuprevo®) in the prevention of bovine respiratory disease. ECBHM Congress, 7th – 9th September 2011, Liège, Belgium

• Evaluation of spinosad for the oral treatment and control of flea infestations on cats in Europe. Veterinary Record Open 1.EndFragment

• Clinical field efficacy of Effipro® Duo in dogs naturally infested by ticks: a multi-centre, randomised, blinded, controlled study. Presentation. 8th World Congress of Veterinary Dermatology, Bordeaux, France, 31st May – 4th June 2016.

• Efficacy and safety of Effipro® duo/plus in cats naturally infested by ticks (European species): a multi-centre, randomised, blinded, positive controlled clinical field study. North American Veterinary Dermatology Form (NAVDF), April 26-29 2017, Orlando, USA.

• N Rohdich, E Zschiesche, O Wolf, W Loehlein, T Pobel, MJ Gil; R Roepke (2018): Field effectiveness and safety of fluralaner plus moxidectin [Bravecto® Plus] against ticks and fleas: A European randomized, blinded, multicenter field study in naturally-infested client-owned cats. Parasites & Vectors, 11:598, 11 pages. 

• N Rohdich, E Zschiesche; O Wolf, W Loehlein, Z Kirkova, P Iliev, D Rapti, R Postoli, B Capári, R Farkas,  R Roepke (2018): A randomized, blinded, controlled, multi-centered field study assessing the treatment of nematode infections in cats with fluralaner plus moxidectin spot-on solution [Bravecto® Plus], Parasites & Vectors, 11:589, 7 pages

• W Loehlein (2014, 2015, 2017, 2018, 2019): Animal Health Business – Grundwissen für angehende Industrietierärzte. Der Tierarzt als Unternehmer in der klinischen Forschung, LMU, Munich, Germany.

• O Wolf (since 2008): Klinische Prüfung von Tierarzneimitteln (Seminar angeboten vom  Foruminstitut für Management)

* author or co-author