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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 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

Hofmann (1935) submitted a proposal, using a timed mating and farrowing system to program the reproductive dates in a sow herd and thus to direct the breeding and production cycle taut. In 1958 to 1964, the developed system of periodic farrowing was operated in Thuringia first farms successfully...

Author(s)
Hühn, U.; Wähner, M.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2016, 88, 4, pp 268-281
Abstract

Author(s)
Dodenhoff, J.; Müller, S.; Neues, B.
Publisher
Besamungsverein Neustadt a.d. Aisch e.V., Neustadt a.d. Aisch, Germany
Citation
Zuchtwahl und Besamung, 2015, No.173, pp 52-53
Abstract

During artificial insemination (AI) of sows the stimulation - most effective in presence of a boar - plays an important role. Aim of the present study was to determine whether the simultaneous presence of two boars during AI could lead to an improved stimulation of the sows and, in consequence,...

Author(s)
Zimmer, C.; Hoy, S.
Publisher
Schlütersche Verlagsgesellschaft GmbH & Co. KG, Hannover, Germany
Citation
Praktische Tierarzt, 2013, 94, 11, pp 1008-1015
Abstract

The aim of the present study was to determine if stimulation of the sows, and therefore the success of AI could be enhanced by the presence of two boars during AI. During artificial insemination, one boar (n=199 gilts and sows) or two boars consecutively (n=199 gilts and sows) were positioned in...

Author(s)
Zimmer, C.; Hoy, S.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2013, 85, 5, pp 388-395
Abstract

Author(s)
Nyenhuis, M.; Kühlewind, J.
Publisher
DLV Deutscher Landwirtschaftsverlag Berlin GmbH, Berlin, Germany
Citation
Neue Landwirtschaft, 2012, No.11, pp 32-34
Abstract

Improvement of reproductive performance in pigs through careful monitoring of artificial insemination in sows is discussed in this article. Focus is given on determining the optimum time for insemination, factors included in insemination monitoring, application of insemination monitoring and...

Author(s)
Hoy, S.
Publisher
Besamungsverein Neustadt a.d. Aisch e.V., Neustadt a.d. Aisch, Germany
Citation
Zuchtwahl und Besamung, 2012, No.168, pp 60-62
Abstract

Author(s)
Mathes, W.; Brüggemann, J.
Publisher
DLV Deutscher Landwirtschaftsverlag Berlin GmbH, Berlin, Germany
Citation
Neue Landwirtschaft, 2011, No.9, pp S1-S48

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