Effects of a Multimodal Approach Using Buprenorphine with/without Meloxicam on Food Intake, Body Weight, Nest Consolidating Behavior, Burrowing Behavior, and Gastrointestinal Tissues in Postoperative Male Mice
Distress affects animal welfare and scientific data validity. There is a lack of reports on the effects of multimodal analgesic approaches in mice. In this study, under the hypothesis that a multimodal analgesic protocol using buprenorphine with meloxicam has analgesic effects, we evaluated the effe...
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MDPI AG
2022-10-01
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author | Kayo Furumoto Yuka Sasaki Masakatsu Nohara Nagisa Takenaka Noritaka Maeta Teppei Kanda |
author_facet | Kayo Furumoto Yuka Sasaki Masakatsu Nohara Nagisa Takenaka Noritaka Maeta Teppei Kanda |
author_sort | Kayo Furumoto |
collection | DOAJ |
description | Distress affects animal welfare and scientific data validity. There is a lack of reports on the effects of multimodal analgesic approaches in mice. In this study, under the hypothesis that a multimodal analgesic protocol using buprenorphine with meloxicam has analgesic effects, we evaluated the effects of a multimodal analgesic protocol using buprenorphine with meloxicam on the well-being of mice during analgesic administration by changing the dosage of meloxicam. A total of 42 Slc:ICR male mice were categorized into nonsurgical and surgical groups (7 mice per group) and treated with an anesthetic (isoflurane) and analgesics (buprenorphine ± meloxicam). Analgesics were administered for 48 h after treatment. Buprenorphine (subcutaneous; 0.1 mg/kg/8 h) and meloxicam (subcutaneous; 0, 2.5, or 5 mg/kg/24 h) were administered twice. Body weight, food intake, nest consolidation score, and latency to burrow were evaluated. A significant decrease in food intake was observed 24 h after treatment, while a significant increase was observed 48 h post-treatment in all groups. Body weight showed a decreasing trend but was not significantly reduced. Furthermore, stomach, duodenum, and jejunum tissues showed no morphological abnormalities. Significant differences in burrow diving scores and the latency to burrow were observed between some groups, but these were not regarded as a consequence of the surgery and/or the meloxicam dose. When buprenorphine and meloxicam were combined, administering up to 5 mg/kg/day of meloxicam for 48 h to male mice after abdominal surgery had no significant negative effects on any tested parameters. In conclusion, a multimodal analgesic protocol of buprenorphine with meloxicam is among the options for increasing well-being in mice following abdominal surgery. |
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spelling | doaj.art-de98f121cb5b404fbdcc7836bdf081552023-11-24T07:14:38ZengMDPI AGVeterinary Sciences2306-73812022-10-0191158910.3390/vetsci9110589Effects of a Multimodal Approach Using Buprenorphine with/without Meloxicam on Food Intake, Body Weight, Nest Consolidating Behavior, Burrowing Behavior, and Gastrointestinal Tissues in Postoperative Male MiceKayo Furumoto0Yuka Sasaki1Masakatsu Nohara2Nagisa Takenaka3Noritaka Maeta4Teppei Kanda5Faculty of Veterinary Medicine, Okayama University of Science, Ikoino-oka 1-3, Imabari 7948555, Ehime, JapanFaculty of Veterinary Medicine, Okayama University of Science, Ikoino-oka 1-3, Imabari 7948555, Ehime, JapanFaculty of Veterinary Medicine, Okayama University of Science, Ikoino-oka 1-3, Imabari 7948555, Ehime, JapanFaculty of Veterinary Medicine, Okayama University of Science, Ikoino-oka 1-3, Imabari 7948555, Ehime, JapanFaculty of Veterinary Medicine, Okayama University of Science, Ikoino-oka 1-3, Imabari 7948555, Ehime, JapanFaculty of Veterinary Medicine, Okayama University of Science, Ikoino-oka 1-3, Imabari 7948555, Ehime, JapanDistress affects animal welfare and scientific data validity. There is a lack of reports on the effects of multimodal analgesic approaches in mice. In this study, under the hypothesis that a multimodal analgesic protocol using buprenorphine with meloxicam has analgesic effects, we evaluated the effects of a multimodal analgesic protocol using buprenorphine with meloxicam on the well-being of mice during analgesic administration by changing the dosage of meloxicam. A total of 42 Slc:ICR male mice were categorized into nonsurgical and surgical groups (7 mice per group) and treated with an anesthetic (isoflurane) and analgesics (buprenorphine ± meloxicam). Analgesics were administered for 48 h after treatment. Buprenorphine (subcutaneous; 0.1 mg/kg/8 h) and meloxicam (subcutaneous; 0, 2.5, or 5 mg/kg/24 h) were administered twice. Body weight, food intake, nest consolidation score, and latency to burrow were evaluated. A significant decrease in food intake was observed 24 h after treatment, while a significant increase was observed 48 h post-treatment in all groups. Body weight showed a decreasing trend but was not significantly reduced. Furthermore, stomach, duodenum, and jejunum tissues showed no morphological abnormalities. Significant differences in burrow diving scores and the latency to burrow were observed between some groups, but these were not regarded as a consequence of the surgery and/or the meloxicam dose. When buprenorphine and meloxicam were combined, administering up to 5 mg/kg/day of meloxicam for 48 h to male mice after abdominal surgery had no significant negative effects on any tested parameters. In conclusion, a multimodal analgesic protocol of buprenorphine with meloxicam is among the options for increasing well-being in mice following abdominal surgery.https://www.mdpi.com/2306-7381/9/11/589multimodal analgesiabuprenorphinemeloxicamanalgesic effectwell-beingmouse |
spellingShingle | Kayo Furumoto Yuka Sasaki Masakatsu Nohara Nagisa Takenaka Noritaka Maeta Teppei Kanda Effects of a Multimodal Approach Using Buprenorphine with/without Meloxicam on Food Intake, Body Weight, Nest Consolidating Behavior, Burrowing Behavior, and Gastrointestinal Tissues in Postoperative Male Mice Veterinary Sciences multimodal analgesia buprenorphine meloxicam analgesic effect well-being mouse |
title | Effects of a Multimodal Approach Using Buprenorphine with/without Meloxicam on Food Intake, Body Weight, Nest Consolidating Behavior, Burrowing Behavior, and Gastrointestinal Tissues in Postoperative Male Mice |
title_full | Effects of a Multimodal Approach Using Buprenorphine with/without Meloxicam on Food Intake, Body Weight, Nest Consolidating Behavior, Burrowing Behavior, and Gastrointestinal Tissues in Postoperative Male Mice |
title_fullStr | Effects of a Multimodal Approach Using Buprenorphine with/without Meloxicam on Food Intake, Body Weight, Nest Consolidating Behavior, Burrowing Behavior, and Gastrointestinal Tissues in Postoperative Male Mice |
title_full_unstemmed | Effects of a Multimodal Approach Using Buprenorphine with/without Meloxicam on Food Intake, Body Weight, Nest Consolidating Behavior, Burrowing Behavior, and Gastrointestinal Tissues in Postoperative Male Mice |
title_short | Effects of a Multimodal Approach Using Buprenorphine with/without Meloxicam on Food Intake, Body Weight, Nest Consolidating Behavior, Burrowing Behavior, and Gastrointestinal Tissues in Postoperative Male Mice |
title_sort | effects of a multimodal approach using buprenorphine with without meloxicam on food intake body weight nest consolidating behavior burrowing behavior and gastrointestinal tissues in postoperative male mice |
topic | multimodal analgesia buprenorphine meloxicam analgesic effect well-being mouse |
url | https://www.mdpi.com/2306-7381/9/11/589 |
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