Bio-loggers inserted in intravaginal sponges, or subcutaneously, as tools to measure body temperature
نویسندگان
چکیده
Abstract The body temperature of animals can be measured by thermistors, thermocouples, or radiotelemetry devices that are implanted surgically under the skin, although suitability subcutaneous as an indicator core limited because abnormal readings, probably affected ambient and animal inactivity. This study compared use bio-loggers designed to monitor (Tsub), with their embedded in intravaginal sponges measure vaginal (Tvag). Three ewes were a bio-logger was configured record Tsub every 30 min for month. Ewes given sponge 12 days two later. Inside installed programmed Tvag 5 min. (Tamb) relative humidity monitored using mini data-loggers. Mean lower ( P < 0.001) during day (38.02 ± 0.02 °C) than at night (38.10 °C), maximum (38.57 20:00 h minimum (37.36 08:00 h; however, mean higher (38.71 0.01 (38.62 (39.02 20:55 (38.33 occurred 08:25 h. (38.08 0.0001) (38.65 0.10 daytime 0.001). Both temperatures had 24-h rhythm 0.0001), but differed midline estimating statistic (MESOR) (Tvag: 38.67 °C, Tsub: 38.09 amplitude 0.21° 0.01C; 0.25 acrophase 18:27 0.38 h, 20:48 0.44 h). coefficient correlation between temperatures, simultaneously d 0.644 0.01), Tamb physiological same time throughout experiment, 0.319 0.01) 0.287 Tvag. linear regression analysis 24 circadian indicated high determination (0.9255) (0.4292). In conclusion, integration logger into sponge, insertion, provided continuous accurate temperature. Furthermore, strong Tamb, demonstrated usefulness biometeorological studies sheep. As alternative employing these subcutaneously, they also utilized biomarker inserted sponges.
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ژورنال
عنوان ژورنال: Animal Biotelemetry
سال: 2022
ISSN: ['2050-3385']
DOI: https://doi.org/10.1186/s40317-022-00312-z