The efect of age and pregnancy on olfactory interest in horses
The limited knowledge of horse´s olfaction poses a risk that horse behaviour does not match human expectation. Therefore, investigation of olfactory abilities can lead to better understanding of horses´ behaviour. Horses were able to detect and distinguish between 4 odours: peppermint, orange, lavender and cedar wood, and sniffed peppermint longer than all other odours. Horses´ sniffing duration varied with age and pregnancy status, younger horses sniffed cedar wood longer, and pregnant mares sniffed lavender less.
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