J
John Verstegen
Researcher at University of Liège
Publications - 62
Citations - 2936
John Verstegen is an academic researcher from University of Liège. The author has contributed to research in topics: Medetomidine & Atipamezole. The author has an hindex of 31, co-authored 62 publications receiving 2802 citations.
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Computer assisted semen analyzers in andrology research and veterinary practice
TL;DR: Although some interesting results, mainly in humans, have already been obtained, many questions remain, which have to be answered to allow for further development of this technology in veterinary medicine, clinical fertility settings, physiological and toxicology research activities.
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Hemodynamic effects of medetomidine in the dog: a dose titration study.
Bruno H Pypendop,John Verstegen +1 more
TL;DR: Hemodynamic changes were observed with the intravenous (IV) administration of medetomidine, at any dose, however, the two lowest doses produced less cardiovascular depression and reduced the recommended dosage by up to 6 times.
Journal ArticleDOI
Evaluation of the "Hamilton Thorn computer-based automated system" for dog semen analysis.
TL;DR: The Hamilton Thorn computer-aided semen analyzer (HTR-IVOS10 analyzer) is validated for objective assessment of canine semen and a description of fertile canine motility parameters using this analyzer is reported.
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Long-term preservation of chilled canine semen: effect of commercial and laboratory prepared extenders.
TL;DR: Egg yolk clearly had a protective effect reducing acrosome reactions significantly in all media tested, indicating that good quality dog spermatozoa could be preserved for up to 10 d and at 4 degrees C, egg yolk extender best-protected sperm motility parameters.
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Effect of stage of anestrus on the induction of estrus by the dopamine agonist cabergoline in dogs
TL;DR: It is demonstrated that prolactin-lowering doses of the dopamine agonist cabergoline can terminate the normal obligate anestrus in dogs, and that the effect occurs more slowly in early anestrous than in mid or late anestris.