Ibáñez Carla, Moreno-Manrique María, Villagrá Aránzazu, Bueso-Ródenas Joel, Mínguez Carlos
Department of Animal Production and Public Health, Faculty of Veterinary Medicine and Experimental Sciences, Catholic University of Valencia "San Vicente Mártir", 46001 Valencia, Spain.
Doctoral School, Catholic University of Valencia "San Vicente Mártir", 46001 Valencia, Spain.
Animals (Basel). 2023 Dec 27;14(1):98. doi: 10.3390/ani14010098.
Non-contact devices have been used in the measurement of body temperature in livestock production as a tool for testing disease in different species. However, there are few studies about the variation and correlations in body temperature between rectal temperature (RT) and non-contact devices such as non-contact infrared thermometers (NCIT) and thermal imaging/infrared thermography (IRT). The objective of this work was to evaluate the accuracy of non-contact devices to measure the body temperature in sheep, considering six body regions and the possibility of implementing these systems in herd management. The experiment was carried out at the experimental farm of the Catholic University of Valencia, located in the municipality of Massanassa in July of 2021, with 72 dry manchega ewes, and we compared the rectal temperature with two types of non-contact infrared devices for the assessment of body temperature in healthy sheep. Except for the temperature taken by NCIT at the muzzle, the correlation between RT vs. NCIT or IRT showed a low significance or was difficult to use for practical flock management purposes. In addition, the variability between devices was high, which implies that measurements should be interpreted with caution in warm climates and open pens, such as most sheep farms in the Spanish Mediterranean area. The use of infrared cameras devices to assess body temperature may have a promising future, but in order to be widely applied as a routine management method on farms, the system needs to become cheaper, simpler in terms of measurements and quicker in terms of analyzing results.
在畜牧生产中，非接触式设备已被用作测量牲畜体温的工具，以检测不同物种的疾病。然而，关于直肠温度（RT）与非接触式设备（如非接触式红外温度计（NCIT）和热成像/红外热成像（IRT））之间体温变化及相关性的研究较少。本研究的目的是评估非接触式设备测量绵羊体温的准确性，考虑六个身体部位以及在畜群管理中应用这些系统的可能性。实验于2021年7月在位于马萨纳萨市的瓦伦西亚天主教大学实验农场进行，使用了72只干奶期曼彻格母羊，我们将直肠温度与两种非接触式红外设备进行比较，以评估健康绵羊的体温。除了NCIT在口鼻部测得的温度外，RT与NCIT或IRT之间的相关性显示出较低的显著性，或者难以用于实际的羊群管理目的。此外，不同设备之间的变异性很高，这意味着在温暖气候和开放式羊舍（如西班牙地中海地区的大多数养羊场）中，对测量结果的解释应谨慎。使用红外摄像设备评估体温可能有广阔的前景，但为了作为农场的常规管理方法广泛应用，该系统需要在成本上更低、测量方面更简单、分析结果方面更快。
