In horses undergoing castration, direct comparison of intratesticular lidocaine vs mepivacaine as analgesic adjuncts has not yet been analysed.

中文翻译：

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接受亨德森去势的麻醉马的睾丸内甲哌卡因与利多卡因。

在进行去势的马中，尚未分析睾丸内利多卡因与甲哌卡因作为镇痛辅助剂的直接比较。