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首页> 外文期刊>Equine and Comparative Exercise Physiology >Effects of different bits and bridles on frequency of induced swallowing in cantering horses
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Effects of different bits and bridles on frequency of induced swallowing in cantering horses

机译：不同比特和bri绳对慢跑马吞咽频率的影响

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摘要

It has been suggested that the presence of a bit reflexly increases salivation but, at the same time, interferes with the horse's ability to swallow The objective of this study was to compare swallowing frequency in 12 horses exercising at canter while wearing a head collar, a bitless bridle, a jointed snaffle bit and a Myler correctional-ported barrel bit Laryngeal movements were recorded videoendoscopically as the horses cantered (8 m s~(-1)) on a high speed treadmill, with the use of side reins toflex the poll. Swallowing -was stimulated artificially by infusion of sterile water at a constant rate of 5 mlmin~(-1) through a cannula in the endoscope's biopsy port The results showed large differences in swallowing frequency between horses. Swallowing frequency was lower for the Myler snaffle than for the other conditions (P < 0.05) It is concluded that the presence of a bit does not preclude swallowing during exercise at canter with the poll in a flexed position, but certain types of bits may be associated with a reduction in swallowing frequency.
机译：有人提出，存在一点反射会增加唾液分泌，但同时会干扰马的吞咽能力。这项研究的目的是比较12头在慢跑时戴着头环的马的吞咽频率。马在高速跑步机上慢跑（8 ms〜（-1））时，通过视频内窥镜记录无less的bri绳，节理的咬合钻头和Myler矫正移植的桶状钻头的喉头运动，并使用侧面re绳进行弯曲。吞咽-是通过以5 mlmin〜（-1）的恒定速度通过内窥镜活检端口中的插管注入无菌水来人工刺激的。结果表明，马之间的吞咽频率存在很大差异。 Myler支管的吞咽频率低于其他条件（P <0.05）。结论是，在运动时，以弯曲姿势握住小腿时，在运动时在慢跑时吞咽可防止误咬，但某些类型的咬合可能与减少吞咽频率有关。

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