Research Report – AVTRW 2024 Conference Presentation Persistency of the Madigan thoracic squeeze phenomenon in dairy calves 3–6 weeks of age

IF 2.2 3区农林科学 Q1 VETERINARY SCIENCES

Research in veterinary science Pub Date : 2025-06-10 DOI:10.1016/j.rvsc.2025.105738

Peter D. Cockcroft, William J. Balhatchet

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引用次数: 0

Abstract

The Madigan foal chest squeeze technique can induce a somnolent state in neonatal calves. This study investigated the phenomenon in older calves. Five Friesian-Holstein dairy calves with an age range of 21–42 days were used in the study. Observations of mentation and measures of heart rates, respiratory rates and rectal temperatures were made before and during the application of the technique. Two calves exhibited somnolent behaviour accompanied by a small reduction in heart rate, respiratory rate, and rectal temperature. In comparison to neonatal foals and calves however, the somnolent state and reaction to the squeeze were less profound as was the reduction in the physiological parameters. Due to the variable and weaker somnolence induced by the Madigan chest compression technique in older calves it is unlikely to be useful in providing predictable restraint or analgesia. However, it is interesting to note that a state of somnolence may ensue in some older calves following persistent chest compression, whatever the cause, but that this will be followed by a speedy and full recovery once the compression ceases.

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研究报告- AVTRW 2024年会议报告3-6周龄奶牛马迪根胸挤压现象的持久性

马迪根马驹胸部挤压技术可以诱导新生儿小牛进入嗜睡状态。这项研究调查了老年小牛的这一现象。试验选用5头年龄在21 ~ 42日龄的弗里西亚-荷斯坦奶牛。在应用该技术之前和过程中观察心理状态并测量心率、呼吸频率和直肠温度。两只小牛表现出嗜睡行为，并伴有心率、呼吸频率和直肠温度的轻微降低。然而，与新生马驹和小牛相比，睡眠状态和对挤压的反应不那么深刻，因为生理参数的减少。由于Madigan胸压技术在老年犊牛中引起的易变和较弱的嗜睡，它不太可能用于提供可预测的约束或镇痛。然而，值得注意的是，一些年龄较大的小牛在持续的胸部压迫后可能会出现嗜睡状态，无论原因是什么，但一旦压迫停止，就会迅速完全恢复。

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来源期刊

Research in veterinary science 农林科学-兽医学

CiteScore

4.40

自引率

4.20%

发文量

312

审稿时长

75 days

期刊介绍： Research in Veterinary Science is an International multi-disciplinary journal publishing original articles, reviews and short communications of a high scientific and ethical standard in all aspects of veterinary and biomedical research. The primary aim of the journal is to inform veterinary and biomedical scientists of significant advances in veterinary and related research through prompt publication and dissemination. Secondly, the journal aims to provide a general multi-disciplinary forum for discussion and debate of news and issues concerning veterinary science. Thirdly, to promote the dissemination of knowledge to a broader range of professions, globally. High quality papers on all species of animals are considered, particularly those considered to be of high scientific importance and originality, and with interdisciplinary interest. The journal encourages papers providing results that have clear implications for understanding disease pathogenesis and for the development of control measures or treatments, as well as those dealing with a comparative biomedical approach, which represents a substantial improvement to animal and human health. Studies without a robust scientific hypothesis or that are preliminary, or of weak originality, as well as negative results, are not appropriate for the journal. Furthermore, observational approaches, case studies or field reports lacking an advancement in general knowledge do not fall within the scope of the journal.