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Abstract

The Mini-Lewe was bred as an animal model for experimental research in the former Democratic Republic of Germany. The remaining stock, including 5 boars and 10 sows, was transferred from the Humboldt-University Berlin to the experimental and teaching farm Ruthe (LFG Ruthe) of the University of...

Author(s)
Schachler, K.; Sürie, C.; Minx, J.; Distl, O.; Metzger, J.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2019, 91, 3, pp 227-245
Abstract

The aim of this study was the determination of genetical and environmental factors that affect the occurrence of aberrant spermatozoa. The evaluation comprised 1,543 ejaculates collected from 57 boars representing BHZP 77 (Piétrain line db.77 ®), German Large White, German Landrace and Piétrain....

Author(s)
Jansen, S.; Sharifi, A. R.; Knorr, C.; Wiedemann, I.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2017, 89, 4, pp 300-310
Abstract

The present study summarizes several papers on sperm quality in stallions and the state of the art in the search for genomic markers for stallion fertility and infertility. Systematic effects on semen quality traits were investigated in 381 stallions used for artificial insemination (AI) either at...

Author(s)
Distl, O.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2017, 89, 1, pp 29-38
Abstract

The spermatology reference laboratories located at the TiHo Hannover and IFN Schonow have been developing science-based quality control programs for boar studs for many years. In ongoing research projects funded by the FBF e. V. (Forderverein Biookonomieforschung), influencing factors on sperm...

Author(s)
Schulze, M.; Schäfer, J.; Jung, M.; Waberski, D.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2017, 89, 1, pp 22-28
Abstract

The first semen production of 29 young genomic Holstein bulls was analyzed in a continuous spermatological screening. Bulls were housed under identical conditions at the RBB AI stud in Brandenburg, Germany. With most of the bulls a production of high quality frozen semen was possible from an age of ...

Author(s)
Osmers, J. H.; Herrmann, C.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2017, 89, 1, pp 9-21
Abstract

To investigate the influence of the age of bulls at semen production on the non-return rate 56 days after first insemination 39 AI-bulls were investigated. Because of the small sample size for the individual ejaculates the non-return rate included data from first to third breeding services. These...

Author(s)
Melbaum, J.; Schwerhoff, M.; Gehrmeyer, D.; Melbaum, H.; Wassmuth, R.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2016, 88, 5, pp 371-378
Abstract

This article describes the selection, health screening and results of semen evaluation in bucks transported from Switzerland to France for the SZZV project conducted in 2012-2012.

Author(s)
Herren, U.
Publisher
Forum Kleinwiederkäuer/Petits Ruminants, Herzogenbuchsee, Switzerland
Citation
Forum Kleinwiederkäuer/Petits Ruminants, 2013, No.9, pp 13-18
Abstract

Uterine contractions were ultrasonically recorded (t=20 min) in 50 maiden mares (3-4 years old) within 0-6 h after hCG induced ovulation. The mares were divided into 5 groups (n=10, respectively). Group 1 was inseminated conventionally into the uterine body, while Group 2 was inseminated onto the...

Author(s)
Witt, M. C.; Meinecke-Tillmann, S.; Swagemakers, J. H.; Koene, M.; Meinecke, B.
Publisher
Hippiatrika Verlagsgesellschaft mbH, Stuttgart, Germany
Citation
Pferdeheilkunde, 2011, 27, 3, pp 271-276
Abstract

This article discusses the advantages of creating a breeding programme which uses genome analysis of semen collected from German Holstein-Friesian bulls. The goal of such breeding technique aims to produce high quality semen that when used in AI will produce high yielding dairy cows which is also...

Author(s)
Brade, E.
Publisher
Verlag Th. Mann, Gelsenkirchen, Germany
Citation
Milchpraxis, 2010, 48, 3, pp 130-132
Abstract

This study examined whether the application of a synthetic immune system modificator (paramunity inducer, preparation of inactivated Parapoxvirus ovis) has an effect on immunity and sperm quality in bulls. Seven Simmenthal bulls (3-8 years old) were used. Bulls were treated with 2 mL of synthetic...

Author(s)
Marković, F.; Pavičić, Ž.; Valpotić, I.; Mihaljević, Ž.; Grizelj, J.; Dobranić, T.; Marković, R. H.; Ostović, M.; Ðuričić,Ð.; Mršić, G.; Samardžija, M.
Publisher
Terra-Verlag GmbH, Konstanz, Germany
Citation
Tierärztliche Umschau, 2010, 65, 6, pp 224-228

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