The effects of ovarian biopsy and blood sampling methods on salivary cortisol and behaviour in sows

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Yun , J , Björkman , S , Pöytäkangas , M & Peltoniemi , O 2017 , ' The effects of ovarian biopsy and blood sampling methods on salivary cortisol and behaviour in sows ' , Research in Veterinary Science , vol. 114 , pp. 80-85 . https://doi.org/10.1016/j.rvsc.2017.03.004

Title: The effects of ovarian biopsy and blood sampling methods on salivary cortisol and behaviour in sows
Author: Yun, Jinhyeon; Björkman, Stefan; Pöytäkangas, Merja; Peltoniemi, Olli
Other contributor: University of Helsinki, Departments of Faculty of Veterinary Medicine
University of Helsinki, Departments of Faculty of Veterinary Medicine
University of Helsinki, Departments of Faculty of Veterinary Medicine
University of Helsinki, Departments of Faculty of Veterinary Medicine



Date: 2017
Language: eng
Number of pages: 6
Belongs to series: Research in Veterinary Science
ISSN: 0034-5288
DOI: https://doi.org/10.1016/j.rvsc.2017.03.004
URI: http://hdl.handle.net/10138/307914
Abstract: In reproductive physiology research, experimental animals are often subjected to stressful procedures, including blood sampling and biopsy. In this present study, presence of pain or distress induced by four different procedures was examined using a measurement of salivary cortisol levels and activity observations in sows. The treatments were: 1) PAL: The ovary was palpated through the rectum without snaring, 2) TUB: transvaginal ultrasound-guided biopsy of the ovary was conducted without snaring, 3) SNA: a soft rope snare was placed around the maxilla, 4) CAT: A soft rope snare was placed around the maxilla, and an intravenous catheter was inserted through the ear vein of the sows. Activities, social cohesion and other pain-related behaviour, and salivary cortisol concentrations were recorded. Salivary cortisol concentrations in CAT sows increased in response to the procedure (P < 0.05), whereas the other treatments did not trigger a significant response. The CAT sows had higher cortisol concentrations than the other groups for 10 min after initiation of the procedures (P < 0.01), and they maintained higher cortisol levels than the PAL and TUB groups 15 min post-treatment (P < 0.05). Furthermore, the CAT sows showed the highest frequency of head shaking (P < 0.001) and trembling behaviour (P < 0.05) during the 1 h post-treatment. Summarizing, the catheterization procedure might induce a short-term pain or stress response during and after the procedure in terms of pain-related behaviour and salivary cortisol status. We suggest that TUB might not cause appreciable pain or distress.
Subject: 413 Veterinary science
Pain behaviour
Stress response
Glucocorticoid
Luteal tissue
Catheterization
CIRCADIAN-RHYTHM
EARLY-PREGNANCY
GROWING PIGS
STRESS
GILTS
PAIN
CATHETERIZATION
RESPONSES
ANIMALS
PIGLETS
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