Walser E S, Alexander G
Reprod Nutr Dev (1980). 1980;20(3B):807-16. doi: 10.1051/rnd:19800507.
Studies to investigate the relative value of sight, hearing and smell in mutual recognition between ewes and lambs are described. The method used was to alter clues that could aid in recognition, rather than interfering with the animal's sensory perception. When lambs were coloured with powdered dyes to change appearance, this produced marked avoidance by the dams of the treated lambs. When lambs were partially coloured, the ewes' greatest reaction was shown to lambs whose heads were coloured. Other experiments compared the role of vision and hearing by observing recognition when the ewes or lambs were hidden behind screening, or muted. The results indicate that while olfaction is important for recognition when the ewe and lamb are close together, visual clues are of major importance in maternal discrimination and auditory clues are important for the lambs as they get older.
本文描述了关于研究视觉、听觉和嗅觉在母羊与羔羊相互识别中的相对价值的研究。所采用的方法是改变有助于识别的线索，而非干扰动物的感官知觉。当用染料粉末给羔羊染色以改变其外观时，这会使处理过的羔羊遭到母羊明显的回避。当羔羊部分被染色时，母羊对头部被染色的羔羊反应最为强烈。其他实验通过观察母羊或羔羊藏在屏障后或声音被减弱时的识别情况，比较了视觉和听觉的作用。结果表明，虽然当母羊和羔羊靠得很近时嗅觉对识别很重要，但视觉线索在母羊辨别中起主要作用，而听觉线索对逐渐长大的羔羊很重要。
