Article (Scientific journals)
Influence of transvaginal ultrasound-guided follicular punctures in the mare on heart rate, respiratory rate, facial expression changes, and salivary cortisol as pain scoring.
Diego, Rodrigo; Douet, Cecile; Reigner, Fabrice et al.
2016In Theriogenology, 86 (7), p. 1757-63
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Keywords :
Equine; Ovum pickup; Pain; Well-being
Abstract :
[en] Transvaginal ultrasound-guided follicular punctures are widely used in the mare for diagnosis, research, and commercial applications. The objective of our study was to determine their influence on pain, stress, and well-being in the mare, by evaluating heart rate, breath rate, facial expression changes, and salivary cortisol before, during, and after puncture. For this experiment, 21 pony mares were used. Transvaginal ultrasound-guided aspirations were performed on 11 mares. After injections for sedation, analgesia, and antispasmodia, the follicles from both ovaries were aspirated with a needle introduced through the vagina wall into the ovary. In the control group, 10 mares underwent similar treatments and injections, but no follicular aspiration. Along the session, heart rate and breath rate were evaluated by a trained veterinarian, ears position, eyelid closure, and contraction of facial muscles were evaluated, and salivary samples were taken for evaluation of cortisol concentration. A significant relaxation was observed after sedative injection in the punctured and control mares, according to ear position, eyelid closure, and contraction of facial muscles, but no difference between punctured and control animals was recorded. No significant modification of salivary cortisol concentration during puncture and no difference between punctured and control mares at any time were observed. No significant modification of the breath rate was observed along the procedure for the punctured and the control mares. Heart rate increased significantly but transiently when the needle was introduced in the ovary and was significantly higher at that time for the punctured mares than that for control mares. None of the other investigated parameters were affected at that time, suggesting discomfort is minimal and transient. Improving analgesia, e.g., through a multimodal approach, during that possibly more sensitive step could be recommended. The evaluation of facial expression changes and heart rate is easy-to-use and accurate tools to evaluate pain and well-being of the mare.
Disciplines :
Anatomy (cytology, histology, embryology...) & physiology
Author, co-author :
Diego, Rodrigo
Douet, Cecile
Reigner, Fabrice
Blard, Thierry
Cognie, Juliette
Deleuze, Stefan  ;  Université de Liège > Dép. clinique des animaux de compagnie et des équidés (DCA) > Obstét. et path. de la reprod. des anim. de comp. et équidés
Goudet, Ghylene
Language :
English
Title :
Influence of transvaginal ultrasound-guided follicular punctures in the mare on heart rate, respiratory rate, facial expression changes, and salivary cortisol as pain scoring.
Publication date :
2016
Journal title :
Theriogenology
ISSN :
0093-691X
eISSN :
1879-3231
Publisher :
Elsevier, New York, United States - New York
Volume :
86
Issue :
7
Pages :
1757-63
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Copyright (c) 2016 Elsevier Inc. All rights reserved.
Available on ORBi :
since 27 February 2019

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