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Abstract

It was the aim of this field study to evaluate two different protocols of ovulation synchronization for the treatment of ovarian cysts and their effect on reproductive performance in dairy cows. In addition, factors with a possible influence on treatment success and pregnancy outcome as well as...

Author(s)
Gundling, N.; Drews, S.; Hoedemaker, M.
Publisher
Wiley-Blackwell, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2015, 50, 6, pp 893-900
Abstract

In order to increase fertility in modern dairy farming, the interval between first insemination and conception should be as short as possible. Therefore, one approach is to diagnose non pregnant animals early to re-inseminate them as soon as possible. Commercial milk pregnancy assays are available...

Author(s)
Engelke, J.; Feldmann, M.; Gundling, N.; Gundelach, Y.; Egli, C.; Hoedemaker, M.; Piechotta, M.
Publisher
Schlütersche Verlagsgesellschaft GmbH & Co. KG, Hannover, Germany
Citation
Berliner und Münchener Tierärztliche Wochenschrift, 2015, 128, 9/10, pp 402-408
Abstract

The somatotropic axis is a key metabolic pathway during transition from late pregnancy to early lactation in dairy cows. The first objective of this study was to determine the feasibility of selecting cows with persistent differences in total insulin-like growth factor 1 (IGF-1) concentration by...

Author(s)
Piechotta, M.; Kedves, K.; Araujo, M. G.; Hoeflich, A.; Metzger, F.; Heppelmann, M.; Muscher-Banse, A.; Wrenzycki, C.; Pfarrer, C.; Schuberth, H. J.; Hoedemaker, M.; Bollwein, H.; Kaske, M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 6, pp 3737-3749
Abstract

With regard to pregnancy check in cattle, it is an important and challenging task to ensure a reliable diagnosis as early as possible. Incorrect diagnoses can lead to enormous economic losses and may result in financial requests. Another problem is that cows diagnosed as pregnant may not be able to ...

Author(s)
Piechotta, M.; Herzog, K.; Kaske, M.; Gundling, N.; Feldmann, M.; Bollwein, H.; Hoedemaker, M.
Publisher
Schlütersche Verlagsgesellschaft mbH & Co. KG, Hannover, Germany
Citation
Praktische Tierarzt, 2011, 92, 7, pp 602...610
Abstract

The objective of the present study was to compare two commercially available blood-based pregnancy tests, namely BioPRYN, an ELISA for pregnancy-specific protein B (PSPB), and an ELISA for pregnancy-associated glycoprotein (PAG), for early pregnancy diagnosis in dairy cattle using transrectal...

Author(s)
Piechotta, M.; Bollwein, J.; Friedrich, M.; Heilkenbrinker, T.; Passavant, C.; Branen, J.; Sasser, G.; Hoedemaker, M.; Bollwein, H.
Publisher
Society for Reproduction and Development, Tokyo, Japan
Citation
Journal of Reproduction and Development, 2011, 57, 1, pp 72-75
Abstract

The effects of body condition score (BCS) change and status ante- and postpartum (pp) on health and reproductive performance in 234 German Holstein cows from eight dairy farms were evaluated. BCS was determined from 6 weeks antepartum until 20 weeks pp in 2-week intervals. Three and 5 weeks pp...

Author(s)
Hoedemaker, M.; Prange, D.; Gundelach, Y.
Publisher
Blackwell Publishing, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2009, 44, 2, pp 167-173

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