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Abstract

A high degree of inbreeding has been reported to negatively impact semen quality in Friesian horses and Shetland ponies. Both breeds are characterized by a closed studbook, small population size, and high incidence of inbreeding. The Dutch Warmblood studbook (KWPN: Koninklijk Warmblood...

Author(s)
Dini, P.; Bartels, T.; Revah, I.; Claes, A. N.; Stout, T. A. E.; Daels, P.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 157, pp 18-23
Abstract

The purpose of this review was to analyze factors affecting the popularity of artificial insemination of mares in Europe in the context of sperm quality. Taking into account the prices of stallion semen on the world market, efficiency is important for the profitability of its use in artificial...

Author(s)
Kowalczyk, A.; Czerniawska-Piątkowska, E.; Kuczaj, M.
Publisher
MDPI AG, Basel, Switzerland
Citation
Animals, 2019, 9, 7, pp 460
Abstract

Semen analysis is a valuable approach to assess male fertility in the horse. The aim of this study was to evaluate the effects of two different semen collection protocols, stallion's age, season and previous rearing conditions on sperm parameters of young stallions. Semen samples were obtained from ...

Author(s)
Köhne, M.; Brüning, P.; Stuhtmann, G.; Tönissen, A.; Martinsson, G.; Burger, D.; Sieme, H.
Publisher
Hippiatrika Verlag GmbH, Baden-Baden, Germany
Citation
Pferdeheilkunde, 2020, 36, 1, pp 11-19
Abstract

The objective of this study was to examine the changes in motility, vigor, morphology, and cell membrane integrity of frozen equine spermatozoa subjected to three different thawing times. In total, 36 straws (0.5 mL of frozen semen) from 12 different stallions of four horse breeds (Appaloosa,...

Author(s)
Camargo, C. E.; Macan, R. C.; Cardoso, N. G. H.; Cardozo, D. P.; Ollhoff, R. D.; Zielinski, B. L.; Gassenferth, G.; Weiss, R. R.; Bergstein-Galan, T. G.; Kozicki, L. E.
Publisher
Hippiatrika Verlag GmbH, Baden-Baden, Germany
Citation
Pferdeheilkunde, 2020, 36, 1, pp 20-24
Abstract

Breeding mares with cryopreserved semen requires specialized equipment for storage and thawing and more intensive mare management. The objectives of this study were (1) evaluate the longevity of frozen stallion semen once it had been thawed, extended, and maintained at 5°C for 48 hours in a passive ...

Author(s)
Prell, M. J.; McCue, P. M.; Moffett, P. D.; Graham, J. K.
Publisher
Elsevier, New York, USA
Citation
Journal of Equine Veterinary Science, 2020, 90,
Abstract

Traditionally Glycerol (Gly) is being used as major cryoprotectant and its toxicity could be a reason for the variation on stallion sperm freezability and fertility. In an effort to minimize Gly toxicity alternative cryoprotective agents like Di-methyl Formamide (DMF) have been investigated. The...

Author(s)
Yogesh Soni; Talluri, T. R.; Ashok Kumar; Ravi, S. K.; Mehta, J. S.; Tripathi, B. N.
Publisher
Elsevier Inc, Orlando, USA
Citation
Cryobiology, 2019, 86, pp 52-57
Abstract

BACKGROUND: Semen cryopreservation causes DNA damage, thus requiring continuous monitoring. OBJECTIVE: To compare two assays for sperm DNA fragmentation (SDF) from stallions with contrasting semen freezability. MATERIALS AND METHODS: Thirteen stallions were classified as good semen freezers (GSF)...

Author(s)
Ferreira, H. N.; Ferreira-Silva, J. C.; Rocha, J. M.; Fárras, M. C.; Calixto, M.; Moura, M. T.; Alvarenga, M. A.; Oliveira, M. A. L.
Publisher
CryoLetters, London, UK
Citation
CryoLetters, 2018, 39, 1, pp 67-72
Abstract

Treatments for seminal vesiculitis have poor outcomes in stallions; thus, the development of alternative strategies is warranted. This study aimed to evaluate fractionated semen collection as a method to restore the fertility of stallions diagnosed with seminal vesiculitis. Eighteen ejaculates from ...

Author(s)
Oliveira, S. N.; Andrade, L. R. P.; Silva, L. F. M. C.; Araujo, E. A. B.; Rayashi, R. M.; Segabinazzi, L. G. T. M.; Alvarenga, M. A.; Dell'Aqua, C. PF. PF.; Dell'Aqua, J. A.; Papa, F. O.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 157, pp 110-120
Abstract

This case report describes spermatogenic arrest and azoospermia in a stallion with a unique Y chromosome-autosome translocation. Clinical diagnosis of azoospermia was based on history of infertility and evaluation of ejaculates collected for artificial insemination. Clinical and ultrasonographic ...

Author(s)
Ruiz, A. J.; Castaneda, C.; Raudsepp, T.; Tibary, A.
Publisher
Elsevier, New York, USA
Citation
Journal of Equine Veterinary Science, 2019, 82, pp 102781
AbstractFull Text

This study aimed to determine the accuracy of assessing stallion sperm motility using a light microscope, a cell phone camera, and a free computer-assisted semen analysis (FCASA) package for ImageJ. The total motility of frozen (n=22) and cooled (n=48) equine semen was determined by FCASA and...

Author(s)
Freitag, G. P.; Lima, L. G. F.; Kozicki, L. E.; Felicio, L. C. S.; Weiss, R. R.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2020, 72, 6, pp 2007-2016

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