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Abstract

A decrease in fertility of equine semen during cooled-storage so far has mainly been attributed to changes in sperm membrane function. In the present study we hypothesized that cooled-storage also changes the sperm DNA methylation level. For this purpose, semen was collected from 10 fertile...

Author(s)
Oliveira, R. A. de; Scarlet, D.; Ille, N.; Aurich, C.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2017, 89, pp 289-294
Abstract

Contents Although glycerol is the cryoprotectant most commonly used in stallions, it has also a considerable toxicity for equine sperm. It was the aim of this study to analyse the quality of frozen-thawed stallion semen after complete or partial replacement of glycerol in the freezing extender by...

Author(s)
Oliveira, R. A. de; Budik, S.; Aurich, C.
Publisher
Wiley, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2017, 52, 5, pp 715-721
Abstract

Seminal plasma (SP) contains proteins that may influence cryosurvival and prevent capacitation-like changes due to freezing and thawing. The objective of this study was to investigate the effect of adding pooled SP from "good" (GF) or "bad" (BF) freezer stallions on sperm cells' fertilizing...

Author(s)
Al-Essawe, E. M.; Wallgren, M.; Wulf, M.; Aurich, C.; Macías-García, B.; Sjunnesson, Y.; Morrell, J. M.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2018, 115, pp 99-107
Abstract

In the mare, early pregnancy loss is common, but involvement of the maternal immune system in the pathogenesis of this condition has not been investigated in detail so far. In the present study, we assessed effects of exposure of the endometrium to semen or seminal plasma in oestrous mares on the...

Author(s)
Hartmann, C.; Gerner, W.; Walter, I.; Saalmüller, A.; Aurich, C.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2018, 118, pp 119-125
Abstract

An important factor influencing stallion fertility is the microbial contamination of semen. Aims of this study were to investigate changes in the microbiological population of the genital mucosa and semen in artificial insemination stallions (n=16) from before to after one breeding season...

Author(s)
Pasing, S. S.; Aurich, C.; Lewinski, M. von; Wulf, M.; Krüger, M.; Aurich, J. E.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Reproduction Science, 2013, 139, 1/4, pp 53-61
Abstract

Traditionally, horse riding has been restricted to men but today equestrian sports are dominated by women. We hypothesised that men and women differ with regard to riding and the response they evoke in their horse. Cortisol and heart rate variability (HRV) were studied in male (n=8) and female...

Author(s)
Ille, N.; Aurich, C.; Erber, R.; Wulf, M.; Palme, R.; Aurich, J.; Lewinski, M. von
Publisher
Wageningen Academic Publishers, Wageningen, Netherlands
Citation
Comparative Exercise Physiology, 2014, 10, 2, pp 131-138
Abstract

Equestrian sports require the co-operation of two species, horses and humans, but it is unknown to what extent stress responses in the rider affect the horse. In this study, the stress response of experienced and less-experienced horses and riders at showjumping was analysed. Sixteen sport horses...

Author(s)
Ille, N.; Lewinski, M. von; Erber, R.; Wulf, M.; Aurich, J.; Möstl, E.; Aurich, C.
Publisher
Universities Federation for Animal Welfare (UFAW), Wheathampstead, UK
Citation
Animal Welfare, 2013, 22, 4, pp 457-465
Abstract

The majority of horse registries approve the use of artificial insemination, and horse breeding has widely taken benefit from the use of cooled-stored semen. New insights into cooled-semen technology open possibilities to reduce problems such as impaired semen quality after cooled-storage in...

Author(s)
Aurich, C.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2008, 107, 3/4, pp 268-275
Abstract

Semen processing may contribute to epigenetic changes in spermatozoa. We have therefore addressed changes in sperm DNA cytosine methylation induced by cryopreservation of stallion semen. The relative amount of 5-methylcytosine relative to the genomic cytosine content of sperm DNA was analyzed by...

Author(s)
Aurich, C.; Schreiner, B.; Ille, N.; Alvarenga, M.; Scarlet, D.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2016, 86, 5, pp 1347-1352
Abstract

We hypothesized that housing of stallions in a thermoneutral temperature zone during autumn and winter does not only influence metabolism and hair shedding but also improves the characteristics of raw and processed semen. Fertile Shetland pony stallions were followed from October to June. This time ...

Author(s)
Schmidt, K.; Deichsel, K.; Oliveira, R. A. de; Aurich, J.; Ille, N.; Aurich, C.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2017, 97, pp 170-178

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