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Abstract

The aim of the present study has been the development of a semen processing method allowing the storage of equine semen at a high concentration of 333 million sperm/ml and low volume. Different seminal plasma concentrations were tested to achieve optimum spermatozoal motility. The quality of the...

Author(s)
Lübke, J. A. K.
Publisher
Mensch & Buch Verlag, Berlin, Germany
Citation
Einfluss von Seminalplasma auf die Motilität von gekühltem Hengstsamen nach einer hochkonzentrierten Lagerung, 2016, pp 111 pp.
Abstract

An undisturbed postpartum period is required for optimum fertility of dairy cows or reproductive performance of a herd. Two injections of prostaglandin F 14 days apart is considered best practice and commonly used in the dairy industry to induce estrus and cleaning of the uterus in the postpartum ...

Author(s)
Kregel, S.
Publisher
Mensch & Buch Verlag, Berlin, Germany
Citation
Vergleichende Untersuchung zur Wirksamkeit unterschiedlicher Behandlungsprotokolle mit Prostaglandin F im Puerperium bei Milchkühen, 2016, pp 76 pp.
Abstract

The aim of this study was to evaluate the influence of the estrous cycle stage at the beginning of treatment with a progesterone releasing intravaginally device (PRID), with and without estradiol (PRIDα), and PGF. To determine the effect of the treatment, different parameters were evaluated...

Author(s)
Mücke, I.
Publisher
Freie Universität Berlin, Berlin, Germany
Citation
Untersuchungen zur Follikeldynamik, zum Ovulationsverhalten und zur Steuerung des Ovulationszeitpunktes nach Anwendung von Progesteron und PFG2α bei Rindern, 2011, pp 134 pp.
Abstract

In this study, 40 dairy cows and heifers were equally divided into 2 groups and fed a 70% grass silage + 30% maize silage ration and concentrates with or without sodium bicarbonate. Feed intake, digestibility, rumen fluid, fertility and milk composition were recorded. It was shown that sodium...

Author(s)
Wülbeck, C.
Publisher
Freie Universität Berlin, Berlin, Germany
Citation
Effekte von Natriumhydrogenkarbonat auf hochleistende Milchkühe in der Frühlaktation bei grassilagebasierten gemischten Rationen, 2011, pp 81 pp.
Abstract

This study was conducted to improve the technology of bull semen cryopreservation to decrease the total sperm number per straw; and investigate the relationship between spermatological parameters and fertility of AI-bulls in the form of non-return-rate (NRR). In the first part of the study, a...

Author(s)
Griga, M. C.
Publisher
Freie Universität Berlin, Berlin, Germany
Citation
Untersuchungen zur Verbesserung der Technologie der Gefrierkonservierung von Bullensperma, 2008, pp 150 pp.
Abstract

This study was conducted to characterize the relationship between body condition and fertility especially during the early lactation. Backfat thickness (RFD) of dairy cows was measured from the dry off point to 150 days postpartum. 651 complete data sets were compiled for statistical evaluation....

Author(s)
Brand, N. M.
Publisher
Freie Universität Berlin, Berlin, Germany
Citation
Beziehungen zwischen der Rückenfettdicke im Zeitraum vom Trockenstellen bis 150 Tage post partum und den Fruchtbarkeitsergebnissen, 2006, pp 135 pp.
Abstract

Author(s)
Vogel, C.
Publisher
Freie Universität Berlin, Berlin, Germany
Citation
Einfluss der Milchleistung und des Laktationsstadiums auf den Besamungserfolg nach Ovulationssynchronisation, 2003, pp 144 pp.
Abstract

The efficacy of a protocol for the synchronization of ovulation followed by timed AI (Ovsynch) was compared with a reproductive protocol based on the results of rectal palpation. Cows in the Ovsynch group (N=366) were treated between 61 and 69 days postpartum (d.p.p.) with 0.02 mg Buserelin...

Author(s)
Wittke, M. S.
Publisher
Freie Universität Berlin, Berlin, Germany
Citation
Anwendung des Ovsynch-Programms in einer Milchviehherde: Einflüsse auf die Konzeption und Vergleich mit einem Prostaglandin F2α-Programm, 2002, pp 196 pp.
Abstract

The influence of postovulatory insemination after preceding preovulatory inseminations on results of fertilization in weaned sows was determined. 57 adult sows were divided into three insemination groups: (1) only preovulatory insemination, (2) preovulatory insemination and one postovulatory ...

Author(s)
Kellers, C.
Publisher
Tierärztliche Hochschule Hannover, Hannover, Germany
Citation
Postovulatorische Besamung und Fruchtbarkeit bei Altsauen und Einfluss von BSA im Verdünnungsmedium auf die Befruchtungsfähigkelt des Spermas nach insemination bei Jungsauen, 2001, pp 129 pp.
Abstract

The effectiveness of induced oestrus on day 18-19 postpartum, in combination with subsequent induced ovulation, was investigated. Oestrus was induced in 120 mares at an average age of 3-18 years. They were randomly divided into two groups, with groups I and II receiving 0.075 (n=55) and 0.15 mg/ml...

Author(s)
Renteln, M. C. von
Publisher
Freie Universität Berlin, Berlin, Germany
Citation
Zur Anwendung der künstlichen Besamung nach hormonell induzierter Rosse am Tag 18-19 post partum und gezielter Ovulationsauslösung bei der Stute, 2001, pp 133 pp.

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