Unique temperature change patterns in calves eyes and muzzles: a non-invasive approach using infrared thermography and object detection

Frontiers in Veterinary Science, Journal Year: 2025, Volume and Issue: 12

Published: March 10, 2025

This study investigates the potential of non-invasive, continuous temperature measurement techniques for assessing cattle welfare. We employed advanced object detection algorithms and infrared thermography to accurately extract continuously measure temperatures eyes muzzles 11 calves over several months (total, 33 samples). A mobile thermal imaging camera was paired with Mask R-CNN algorithm (object detection) trained on annotated datasets detect eye muzzle regions accurately. Temperature data were processed by outlier rejection, standardization, low-pass filtering derive change patterns. Cosine similarity metrics permutation tests evaluate uniqueness these patterns among individuals. The average cosine between changes in same individual across samples 0.72, yielding p -values <0.01 most samples, indicating pattern uniqueness. highlights high-frequency, non-invasive measurements detecting subtle physiological animals without causing distress.

Language: Английский

The Potential of Infrared Thermography for Early Pregnancy Diagnosis in Nili-Ravi Buffaloes

Animals, Journal Year: 2024, Volume and Issue: 14(13), P. 1966 - 1966

Published: July 2, 2024

This study was designed to explore the potential of infrared thermography (IRT) as an alternate approach for early pregnancy diagnosis in buffaloes. The surface temperature (ST) different regions (eyes, muzzle, flanks, and vulva) determined 27 buffaloes using IRT from day artificial insemination (AI; Day 0), measurement repeated every fourth until 24 post-AI. From all regions, ST each thermograph recorded at three values (maximum, average, minimum). Pregnancy status confirmed through ultrasonography on 30, animals were retrospectively grouped pregnant or non-pregnant analysis thermographic data. In buffaloes, significantly greater (p ≤ 0.05) left flank, while, eye vulva, only maximum average greater. By contrast, muzzle lower compared However, right flank did not show significant variation any value. These findings suggest that has identify thermal changes associated with stage.

Language: Английский

Modelling hemodynamics regulation in rats and dogs to facilitate drugs safety risk assessment

Frontiers in Pharmacology, Journal Year: 2024, Volume and Issue: 15

Published: Oct. 29, 2024

Pharmaceutical companies routinely screen compounds for hemodynamics related safety risk.

Language: Английский