Published Papers

Antibiotic-free hypothermic storage of boar semen in Androstar® Premium results in similar fertility compared to semen stored at 17°C in extender with antibiotic content

Published at: Applied Animal Andrology Conference, Tours 2016
Authors: R. Großfeld, W. Peralta, KF. Weitze, D. Waberski
Abstract: Worldwide, antibiotic resistance of bacteria in extended boar semen is increasing. The situation is favoured by overwhelming use of antibiotics...

Undirectional gas flow technique for cryopreservation of bovine semen

Published at: ESDAR conference 2015, Bulgaria
Authors: A. Kassens, M. Wallner, D. Becherer, R. Großfeld, E. Haeusler, V. Windisch, M. Esch
Abstract: Post-thaw quality of bull semen is improved when cryopreservation is performed using a liquid nitrogen freezer with unidirectional gas flow...

Toxicity of multilayer plastics for boar semen

Published in:
BuS - Das Magazin - 2014/2015, Germany
Authors:
Rudolf Großfeld, Carmen de Alba, Monika Esch 
Abstract:
At present, in the industry of artificial insemination, plastic packaging
and plastic materials are one of the most widely used alternatives for
boar semen storage....

Use of refractometry to prevent inadequate semen extender preparation and consequent impaired quality of porcine semen doses

Published in:
18th Annual Conference of the European Society for Domestic Animal Reproduction (ESDAR), Helsinki, Finland. Reprod Dom Anim 49 (Suppl. 3): 69.
Authors:
R Großfeld / Landshut, Germany;
K Rüdiger, M Schulze / Institute for the Reproduction of Farm Animals Schönow Inc., Bernau, Germany

In vitro mimicking of estrous cycle stages in porcine oviduct epithelium cells

Published in:
BIOLOGY OF REPRODUCTION (2013) 89(3):54, 1–12
Author:
Shuai Chen, Ralf Einspanier and Jennifer Schoen
Abstract:
First scientific publication about a research project using AndroVision as a semen analysis tool. This publication underlines the suitability of AndroVision not only for semen processing, but also for investigation concerning semen motility and other applications: in this case the ciliar activity was analyzed with AndroVision through measuring the velocity of movement of fluorescent beads.

Minitube artificial breeding seminars - Bendigo

Published in:
Pork Journal, Vol. 35, No. 3
Author:
Graeme Pope / Graeme Pope Consulting, Nuriootpa
Abstract:
Two day seminar of pig reproduction and artificial breeding presented by Minitube Australia in Bendigo, May 22-23.

Moving forward - semen quality in insemination of pigs

Published in:
RindSchweinSchaf, 01/13
Author:
Prof. Dr. Dagmar Waberski and Dr. Martin Schulze
Abstract:
In the last ten years, the insemination of pigs has developed rapidly all over the world. High semen quality has been proved to be the key for fertility in pig breeding farms. The reproductive research opens up new perspectives to ensure high quality in semen collection centers. However, breeders and veterinarians are also important, when it comes to talk about semen quality and fertility.

La inseminación intrauterina en cerdos: beneficios y riesgos

Publicado en:
AVANCES, Volume X, Julio-Augusto 2013,www.revistaavances.com
Autor:
Dra. Carmen de Alba Romero y col. Minitub Ibérica

Achieving optimal conditions for boars

Published in:
Pig Progress, Volume 28, Nr. 7, 2012
Author:
Dr Carmen de Alba and Rudolf Grossfeld
Abstract:
Libido or sexual desire of boars depends on the hormonal activity (testosterone) at the level of the central nerve system. There are several factors that can have fundamental impact on this. Only if all these factors are optimised, the boar’s libido is sufficient and not negatively influenced.

Importance of boar semen sperm motility and morphology for fertility

Published in:
International Pig Topics, Volume 27, Nr. 5, 2012
Author:
Prof. Dr. Karl Fritz Weitze
Abstract:
Sperm motility and morphology assessment is fundamental in routine work of AI stations. Based on a field experiment, a correlation between morphological alterations and fertility could be shown.

Successful re-certification: audit confirms GMP norms for Minitüb’s extender production facility