Effects of ground semen collection on weight bearing on hindquarters, libido, and semen parameters in stallions

Burger, Dominik; Meroni, G.; Thomas, S.; Sieme, H. (2015). Effects of ground semen collection on weight bearing on hindquarters, libido, and semen parameters in stallions. Theriogenology, 84(5), 687-692.e1. Butterworths 10.1016/j.theriogenology.2015.04.029

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Collection of semen on the ground from the standing stallion represents an alternative method to dummy mount semen collection and is of increasing popularity for sport stallions, males suffering from health problems, or in studs without a dummy or suitable mare at disposal. Our aim was to collect and compare spermatological and physiological data associated with traditional and ground semen collection. Twelve of 23 Franches-Montagnes stallions were selected to carry out semen collection on a dummy and while standing in a crossed experimental protocol. Semen quantity and quality parameters, weight bearing on hindquarters, and behavioral and libido data were recorded. Ground versus dummy mount semen collection was accompanied by lower seminal volume (15.9 ± 14.6 vs. 22.0 ± 13.3 mL; P < 0.01) and lower total sperm count (4.913 ± 2.721 × 10(9) vs. 6.544 ± 2.856 × 10(9) sperm; P < 0.001). No significant differences were found concerning sperm motility and viability. Time to ejaculation was longer, and the number of attempts to ejaculation was higher (P = 0.053) in the standing position compared with the mount on the dummy. A higher (P < 0.01) amount of tail flagging was manifested by the stallions during ejaculation on the dummy compared to when standing. There was no difference in weight bearing on hindquarters when comparing dummy collection (51.2 ± 2.5%) and standing collection (48.9 ± 5.5%). Ground semen collection can be considered as a viable option for stallions that cannot mount a dummy or a mare. However, it requires training and may be not easily accepted by all stallions. Owners should be advised that ground semen collection is associated with significantly lower sperm numbers than with dummy mount semen collection.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Equine Clinic
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV)

UniBE Contributor:

Burger, Dominik

Subjects:

600 Technology > 630 Agriculture

ISSN:

0093-691X

Publisher:

Butterworths

Language:

English

Submitter:

Andrea Gassmann-Suter

Date Deposited:

06 Nov 2015 08:58

Last Modified:

06 Jul 2016 20:49

Publisher DOI:

10.1016/j.theriogenology.2015.04.029

PubMed ID:

26050613

BORIS DOI:

10.7892/boris.72552

URI:

https://boris.unibe.ch/id/eprint/72552

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