Research Group 5: Reproduction Management

project-oriented publications

Research Topic 1 - Strategies for Reproductive Success

MEGAVERTEBRATES

 Ultrasonographic and endocrinologic characterization of the luteogenesis in pregnant Asian elephants (Elephas maximus)

 Sonographic Characterisation of the prenatal development of elephants

Drews B, Göritz F, Hermes R, Gray C, Schwammer H, Brown J, Hildebrandt Tb (2005) 3-d-ultrasound as a new tool for monitoring pregnancies in elephants. Verhandlungsbericht des Internationalen Symposiums über die Erkrankungen der Zoo- und Wildtiere / International Symposium on Diseases of Zoo and Wild Animals (42) (Abstr.) 

Characterisation of sexual maturity in male Asian and African elephants (Elephas maximus, Loxodonta africana) during puberty

Fritsch, G.;  Faábender, M.;  Hildebrandt, T.B. Dehnhard, Martin;  Hofer, Heribert (2002)  Skeletal system of neonatal manatees (Trichechus manatus) imaged by computer tomography.  Advances in Ethology, (37); p. 181;  Special Issue: Contributions to the 4th International Symposium on Physiology and Behaviour of Wild and Zoo Animals, Berlin, Germany, 29 September - 2 October, 2002  Wildlife Conservation.  ISSN: 0931-4202

Lamps, L.W.;  Smoller, B.R.;  Rasmussen, L.E.L.;  Slade, B.E.;  Fritsch, G.;  Goodwin, T. E.(2001) Characterization of interdigital glands in the Asian elephant (Elephas maximus).  Research in Veterinary Science, 71(3): 197-200. 1 fig.  ISSN: 0034-5288

Hermes, Robert;  Olson, Deborah;  Göritz, Frank;  Brown, Janine L.;  Schmitt, Dennis L.; Hagan, David;  Peterson, Jeffrey S.;  Fritsch, Guido; Hildebrandt, Thomas D.;  Goeritz F;  Hildebrandt T B (2000) Ultrasonography of the estrous cycle in female African elephants (Loxodonta africana).  Zoo Biology, 19(5): 369-382;  Special Issue: Elephant Biology. Editor: Brown, Janine L.  6 figs.  ISSN: 0733-3188

Hildebrandt, Thomas B.;  Hermes, Robert;  Pratt, Nancy C.;  Fritsch, Guido;  Blottner, Steffen;  Schmitt, Dennis L.;  Ratanakorn, Parntep; Brown, Janine L.;  Rietschel, Wolfram;  Göritz, Frank;  Goeritz F (2000) Ultrasonography of the urogenital tract in elephants (Loxodonta africana and Elephas maximus): an important tool for assessing male reproductive function.  Zoo Biology, 19(5): 333-345;  Special Issue: Elephant Biology. Editor: Brown, Janine L.  1 fig.; 1 table.  ISSN: 0733-3188

Hildebrandt, Thomas B.;  Göritz, Frank;  Pratt, Nancy C.;  Brown, Janine L.;  Montali, Richard J.;  Schmitt, Dennis L.;  Fritsch, Guido;  Hermes, Robert;  Goeritz F (2000) Ultrasonography of the urogenital tract in elephants (Loxodonta africana and Elephas maximus): an important tool for assessing female reproductive function.  Zoo Biology, 19(5): 321-332;  Special Issue: Elephant Biology. Editor: Brown, Janine L.  1 fig.  ISSN: 0733-3188

Fritsch, G.;  Hermes, R.;  Göritz, F.;  Maltzahn, J.;  Rohleder, M.;  Hildebrandt, T.B. (2000) Sexual maturity in male elephants.  Advances in Ethology, (35): 84. Reproductive Biology.; Special Issue: 3rd International Symposium on Physiology and Ethology of Wild and Zoo Animals, Berlin, Germany, 4-7 October, 2000. Editors: Lechner-Doll, Matthias; Hofer, Heribert.  ISSN: 0931-4202

Fritsch, G.;  Goeritz, F.;  Hermes, R.;  Jewgenow, K.;  Maltzan, J.;  Hildebrandt, T. B. (2000) Physiology of sexual maturity in male elephants.  Reproduction in Domestic Animals. 35(1): pp. 25-26; ("Abstracts from the 33rd Conference on Physiology and Pathology of Reproduction, Berlin, Germany, February 17-18, 2000" Editors: Glatzel, P. S.; Reif, S.; Lange, A.; Rodriguez-Martinez, H.) abstract only.  ISSN: 0936-6768

Hildebrandt T B;  Fritsch G;  Hermes R;  Jewgenow K;  Rohleder M;  Rudolph M;  Maltzan J; Wiesner H;  Pratt N C;  Neiffer D; Goeritz (1999) Charakterisierung der Pubertaet maennlicher Elefanten mit Hilfe ultrasonographischer, morphologischer, endokrinologischer und spermatologischer Untersuchungsmethoden. Verhandlungsbericht des Internationalen Symposiums ueber die Erkrankungen der Zoo- und Wildtiere 39; Schriftenreihe aus dem Institut fuer Zoo- und Wildtierforschung im Forschungsverbund Berlin Nr. 3: 27-33, 1999.

Hermes R;  Olson D;  Goeritz F;  Schmitt D L;  Hagan D;  Peterson J S;  Brown J L; Fritsch G;  Hildebrandt T B (1999) Ultrasonographical characterisation of the sexual cycle in female African elephants (Loxodonta africana). Verhandlungsbericht des Internationalen Symposiums ueber die Erkrankungen der Zoo- und Wildtiere 39; Schriftenreihe aus dem Institut fuer Zoo- und Wildtierforschung im Forschungsverbund Berlin Nr. 3: 35-38, 1999.

CARNIVORES

Basic Research on the Reproductive Biology of the Fossa (Cryptoprocta ferox)

Oral Contributions

Vogler BR, Hildebrandt TB, Hermes TB, Dehnhard M, Blottner S, Jewgenow K, Goeritz F (2006) The Reproductive Biology of the Fossa (Cryptoprocta Ferox) - A Portrait of an Endangered Species. Proceedings of the Annual Conference of the American Association of Zoo Veterinarians (AAZV) (Abstr.) - accepted

Vogler BR, Goeritz F, Hildebrandt TB, Dehnhard M (2006) Gender Specific Expression of Volatiles in Captive Fossas (Cryptoprocta ferox) During the Mating Season. proceedings of Chemical Signals in Vertebrates 11 (Abstr.) - submitted

Hildebrandt TB, Jewgenow K, Hermes R (2006) Assessment of Reproductive Function in Wild Carnivores by Ultrasound. 5th Biannual congress, Europiean Veterinary Society for Small Animal Reproduction (EVSSAR) in Budapest, Hungary, 7-9 April 2006: 143-145

Goeritz F, Hildebrandt TB, Hermes R, Jewgenow K (2006) Diagnostic and Treatment of Reproductive Pathologies in Wild Carnivores. 5th Biannual congress, Europiean Veterinary Society for Small Animal Reproduction (EVSSAR) in Budapest, Hungary, 7-9 April 2006: 134-136

Poster

Vogler BR, Goeritz F, Hildebrandt TB, Hermes R, Reid CE, Röllig KR, Drews B, Blottner S, Jewgenow K (2006) Seasonal Changes in Semen Quality in the Fossa (Cryptoprocta ferox). Reproduction in Domestic Animals - Special edition for the 39th Annual Conference on the Physiology and Pathology of Reproduction in Hannover, Germany, abstract no. 137 (Abstr.)

Vogler BR, Goeritz F, Fritsch G, Garcia Hartmann M, Hermes R, Jewgenow K, Pozivil V,   Ochs A,  Winkler A  And Hildebrandt TB  (2005) High Incidence Of Reproductive Disorders In Captive Fossas (Cryptoprocta Ferox). Verhandlungsbericht des Internationalen Symposiums über die Erkrankungen der Zoo- und Wildtiere / International Symposium on Diseases of Zoo and Wild Animals (42): 304-307 (Abstr.)

Comparative reproductive investigations in ursids and giant panda

Knauf, T.;  Ochs, A.;  Hildebrandt, T.B.;  Jewgenow, K.;  Thomsen, R.;  Tang, C.H.; Göritz, F. Dehnhard, Martin;  Hofer, Heribert (2002) Chemical signals in giant panda urine. Advances in Ethology, (37); p. 43;  Special Issue: Contributions to the 4th International Symposium on Physiology and Behaviour of Wild and Zoo Animals, Berlin, Germany, 29 September - 2 October, 2002  Behavioural Science.  ISSN: 0931-4202

Knauf T;  Dehnhard M;  Ochs A;  Hildebrandt T B;  Jewgenow K;  Thomsen R;  Tang C H; Goeritz F (2002) Chemical signals in giant panda urine. (Abstract) 4th International Symposium on Physiology and Behaviour of Wild and Zoo Animals, Advances in Ethology 37, Supplements to Ethology: 43, 2002.

ENDEMIC WILD GAME

Ratio of male and female spermatozoa in the ejaculate

there are no publications yet

Superfetation in European bron hares (Lepus europaeus)

Roellig K, Fassbender M, Goeritz F, Hermes R, Slameck J, Hildebrandt TB (2005) Intrauterine events  during embryogenesis in European brown hare (lepus europaeus). Verhandlungsbericht des Internationalen Symposiums über die Erkrankungen der Zoo- und Wildtiere / International Symposium on Diseases of Zoo and Wild Animals (42): 274 (Abstr.)

Field investigations on current reproductive status in free-ranging European brown hares

Journals

Blottner S, Lange A, Göritz F, Faßbender M, Broich A, Quest M, Gilles M, Lengwinat T, Hildebrandt TB (2001) Untersuchungen zur reproduktiven Fitness an lebenden männlichen Feldhasen aus unterschiedlichen Habitaten. Z Jagdwiss 47, 84-91.

Göritz F, Faßbender M, Broich A, Quest M, Lange A, Blottner S, Gilles M, Lengwinat T, Spittler H, Hildebrandt TB (2001) Untersuchungen zur reproduktiven Fitness lebender weiblicher Feldhasen aus unterschiedlichen Habitaten. Z Jagdwiss 47, 92-99.

Spittler H, Faßbender M, Glatzel P, Lange A, Gilles M, Göritz F, Blottner S, Broich A, Quest M, Lengwinat T, Hildebrandt TB (2000) Untersuchungen zu Fertilitätsstörungen beim Feldhasen (Lepus europaeus, PALLAS 1778). LÖBF-Mitteilungen 1/2000, 20-27.

Faßbender M, Göritz F, Blottner S, Gilles M, Lange A, Broich A, Quest M, Lengwinat T, Spittler H, Hildebrandt TB (2001) In-vivo Untersuchungen zur Fruchtbarkeit lebender Europäischer Feldhasen (Lepus europaeus) in Nordrhein-Westfalen. NUA - Seminarbericht 7, 47-53.

Poster

Faßbender M, Göritz F, Lange A, Gilles M, Blottner S, Lengwinat T, Broich A, Quest M, Spittler H, Hildebrandt TB (2000) In vivo Untersuchungen zur Reproduktionsbiologie beim Europäischen Feldhasen (Lepus europaeus). Wildbiologisches Symposium, Hannover, 11.5.-13.5.2000

Faßbender M, Spittler H, Feemers A, Fritsch G, Lengwinat T, Göritz F, Hildebrandt TB (2000) First results of monitoring life history in new-born European brown hares using a newly-developed thermal imaging system. 3 rd International Symposium on Physiology and Ethology of Wild and Zoo Animals, Berlin, 4.10.-7.10.2000. Advances in Ethology 35, 83.

Blottner S, Faßbender M, Göritz F, Lange A, Gilles M, Lengwinat T, Quest M, Broich A, Hildebrandt TB (2000) Studies on male reproductive fitness in free-ranging European brown hare (Lepus europaeus) in different habitats. London Zoological Society: Symposium on Reproduction and Integrated Conservation Science, London, UK, 8.11.-9.11.2000. Proceedings

Lengwinat T, Faßbender M, Hildebrandt TB (2001) Superfetation in brown hare (Lepus europaeus, Pallas 1778). The decline of European hares - an interdisciplinary research task, Berlin, Germany, 18.04.- 22.04.2001.

Faßbender M, Göritz F, Blottner S, Jewgenow K, Glatzel P, Lengwinat T, Frölich K, Hildebrandt TB (2001) A Four-year study on reproductive status and life history of wild European brown hares (Lepus europaeus). Proc. Am. Assoc. Zoo. Vet. Orlando, Florida, 18.09.-23.09.2001. Proceedings, 364.

Faßbender M, Goeritz F, Blottner S, Lengwinat T, Spittler H, Hildebrandt TB (2002) Sonographic imaging of prenatal development in free living European brown hares. 4th Int. Symp. Physiology and Behaviour of Wild and  Zoo Animals,  29.9.- 2.10.2002, Berlin, Adv Ethology 37, 132.

Oral presentations

Faßbender M, Broich A, Gilles M, Göritz F, Hildebrandt TB, Lange A, Quest M, Lengwinat T (2000) Assessment of reproductive fitness in wild European brown hare (Lepus europaeus). 34. Tagung über Physiologie und Pathologie der Fortpflanzung, Berlin, 17.2.-18.2.2000. Reprod Domest Anim 35, 23.

Göritz F, Hildebrandt TB, Faßbender M, Broich A, Quest M, Gilles M, Lange A, Jewgenow K, Lengwinat T, Spittler H (2000) In vivo investigations on reproduction performance in female European brown hares. 34. Tagung über Physiologie und Pathologie der Fortpflanzung, Berlin, 17.2.-18.2.2000. Reprod Domest Anim 35, 24.

Lange A, Blottner S, Göritz F, Hildebrandt TB, Faßbender M, Broich A, Quest M, Gilles M, Lengwinat T, Spittler H (2000) Andrological investigations in captured and anesthesized male European brown hare. 34. Jahrestagung über Physiologie und Pathologie der Fortpflanzung, Berlin, 17.2.-18.2.2000. Reprod Dom Anim 35, W2.12.

Faßbender M, Göritz F, Quest M, Broich A, Hildebrandt TB (2000) Ultraschalltechnik zur reproduktiven Diagnostik beim Europäischen Feldhasen (Lepus europaeus). 24. Dreiländertreffen der ÖGUM, DEGUM, SGUM, Wien, Österreich, 7.9.-9.9.2000. Ultraschall in Med, Suppl 21, 69.

Faßbender M, Göritz F, Lange A, Gilles M, Blottner S, Lengwinat T, Quest M, Broich A, Jewgenow K, Spittler H, Hildebrandt TB (2000) Studies on reproductive fitness in free-ranging European brown hares in Nordrhein-Westfalen. 3 rd International Symposium on Physiology9and Ethology of Wild and Zoo Animals Berlin, 4.10.-7.10.2000. Adv. Ethol. 35, 82.

Faßbender M, Spittler H, Göritz F, Blottner S, Lange A, Gilles M, Lengwinat T, Quest M, Broich A, Hildebrandt TB (2000) Studies on reproductive physiology and pathology of European Brown Hare (EBH). 34. Jahrestagung und 25. Veterinär-Human-medizinische- Gemeinschaftstagung über Physiologie und Pathologie der Fortpflanzung, Gießen, Germany, 22.02.-23.02.2001. Proceedings, 149.

Faßbender M, Göritz F, Blottner S, Spittler H, Jewgenow K, Glatzel P, Lengwinat T, Hildebrandt TB (2001) Reproductive Assessment of different Populations during a Four Year Study in Nordrhein-Westfalen. The decline of the European Hares - an interdisciplinary research task, Berlin, Germany, 18.04.-22.04.2001. Abstracts

Hildebrandt TB, Faßbender M, Blottner S, Göritz F, Lengwinat T, Hermes R, Jewgenow K, Glatzel P, Spittler H (2001) Aspects of Reproductive biology in European brown hare. The decline of European hares - an interdisciplinary research task, Berlin, Germany, 18.04.-22.04.2001. Abstracts

Faßbender M, Göritz F, Blottner S, Jewgenow K, Spittler H, Lengwinat T, Glatzel P, Hildebrandt TB (2001) Untersuchungen zur Reproduktionsleistung ausgewählter Hasenpopulation im Rahmen einer vierjährigen Studie in Nordrhein-Westfalen. 32.Jahrestagung GfÖ, 16.9.-20.9.2002, Cottbus, Proceedings 32, 159.

Faßbender M, Cromarthy L, Göritz F, Blottner S, Spittler H, Hildebrandt TB (2002) Reproductive assessment in free-living European brown hares (EBH) by different ultrasonographic imaging modalities. 34th Annual Scientific Meeting - British Medical Ultrasound Society, 11.12.-13.12.2002, Manchester, GB, British Journal of Radiology, 84.

Faßbender, M., Spittler, H., Göritz, F., Fritsch, G. and Hildebrandt, T. B. (2004) Thermal Imaging - A New Technique For Monitoring Live History Of Newborn European Brown Hares. Proc AAZV, 463.

Experimental studies on the mechanism of spermatogenesis in European roe deer (Capreolus capreolus)

Wagener A, Blottner S, Göritz F, Fickel J (2000) Detection of growth factors in the testis of roe deer (Capreolus capreolus). Anim. Reprod. Sci. 64: 65-75.

Roelants H, Schneider F, Göritz F, Streich J, Blottner S (2002) Seasonal changes of  spermatogonial proliferation in roe deer, demonstrated by flow cytometric analysis  of c-kit-receptor, in relation to follicle-stimulating hormone, luteinizing hormone  and testosterone. Biol Reprod. 66: 305-312.

Goeritz F, Quest M, Wagener A, Fassbender M, Broich A, Hildebrandt TB, Hofmann RR, Blottner S (2003) Seasonal timing of sperm production in roe deer: interrelationship between changes in ejaculate parameters, morphology and function of testis and accessory glands. Theriogenology 59: 1487-1502.

Wagener A, Blottner S, Göritz F, Streich WJ, Fickel J (2003) Differential changes in expression of a and b FGF, IGF 1 and 2, and TGF-α during seasonal growth and involution of roe deer testis. Growth Factors 21: 95-102.

Histological organization of roe deer testis throughout the seasonal cycle: variable and constant components of tubular and interstitial compartment. Schön J, Göritz F, Streich J, Blottner S (2004) Histological organization of roe deer testis throughout the seasonal cycle: variable and constant components of tubular and interstitial compartment. Anat Embryol 208: 151-159.

Schön J, Wagener A, Göritz F, Blottner S (2005) Testicular VEGF in roe deer – not just for the capillaries.38. Jahrestagung Physiol. Pathol Fortpflanzung; Zürich, 10./11.02.05. Schweiz Arch Tierheilkd 147:75 (Abstr.)

Wagener A, Fickel J, Schön  J, Fritzenkötter A, Göritz F, Blottner S. (2005) Seasonal variation in expression and localisation of testicular TGF-β1 and TGF-β3 corresponds with spermatogenic activity in roe deer. J Endocrinol. 187: 205-215.

Blottner S, Wagener  A, Schön J, Göritz F, Fickel J.(2006) Reproductive fitness in roe bucks (Capreolus capreolus): seasonal timing of testis function. Eur J Wildl Res 52: 9-13.

Ultrasonography of the pregnancy of the European roe deer (Capreolus capreolus) and quantification of endometrial changes during the diapaus using computer-aided grey scale analysis

Hermes R, Hildebrandt TB, Goeritz F, Jewgenow K, Lengwinat T, Hofmann RR Ultrasonography of the ovaries and uterus and grey scale analysis of the endometrium during embryonic diapause in European roe deer. ACTA THERIOLOGICA, 45 (4): 559-572 DEC 2000

Lorber KJ, Bartmann CP, Klug E, Blaich U, Petzold S, Schoon HA, Hermes R Ultrasonographic Grey Scale Analysis (GSA) of the equine uterus - practical relevance for fertility prognosis. PFERDEHEILKUNDE, 15 (6): 551-554 NOV-DEC 1999

COMPARATIVE STUDIES - Evolutionary morphology and comparative anatomy

The peculiar male genital organs of the African black coucal (Centropus grillii)

there are no publications yet

Sexual dimorphism of the larynx, unique specializations of the male vocal tract and vocalizations of the Mongolian gazelle (Procapra gutturosa) in relation to its mating system

Frey R & Riede T (2003): Sexual dimorphism of the larynx of the mongolian gazelle (Procapra gutturosa Pallas, 1777) (mammalia, artiodactyla, bovidae).Zool. Anz. 242, 33-62.

Frey R & Gebler A (2003): The highly specialized vocal tract of the male mongolian gazelle (Procapra gutturosa Pallas, 1777 – mammalia, bovidae). J. Anat. 203, 451-471.   [ the definite version is available at: www.blackwell-synergy.com ]

Stuermer I W, Tittmann C, Kalberlah O, Plotz K, Tungalag R, Surjo D, Frey R, Samjaa R (2004) Methods and routes of two german-mongolian zoological expeditions through the steppe, semi-desert and desert zones of mongolia in 1995 and 2002. Mongolian Journal Of Biological Sciences 2, 33-46.

Hoarse phonation, larynx and sexually dimorphic, inflatable air sac in reindeer (Rangifer tarandus)

Frey R, Gebler A, Fritsch G, Nygrén  K, Weissengruber G (2007): Nordic rattle: the hoarse phonation and the inflatable laryngeal air sac of reindeer (Rangifer tarandus). J. Anat., pp. 131-159

Laryngeal anatomy, ventrorostral ventricle and vocalizations of the muskox (Ovibos moschatus)

Frey R, Gebler A, Fritsch G (2006): Arctic roars – laryngeal anatomy and vocalization of the muskox (Ovibos moschatus Zimmermann, 1780, Bovidae). J. Zool. 268, 433-448.    [ the definite version is available at: www.blackwell-synergy.com ]

The proboscideal nose of the saiga (Saiga tatarica) and its possible role in phonation

in preparation (One week for manuscript discussion in Moscow, 23 April - 30 April 2006, and complementary video documentations of the saiga nose during calls at a branch of Moscow Zoo (Volokolamsk Zoo Breeding Center).

Comparison of respective vocal tracts and differing rutting calls in European red deer and North-American Wapiti (Cervus elaphus)

there are no publications yet