Postnatal Consequences of Prenatal Sound Stimulation in the Sheep
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Abstract
Two experiments were carried out to test the hypothesis that prenatal sound stimulation has postnatal effects in sheep. In the first, a group of domesticated ewes was stimulated with an alien sound and their lambs' response to the same sound was compared with that of lambs born to unstimulated mothers. In the second experiment a group of Soay ewes was stimulated with an alien sound and a comparable group stimulated with a series of bleats. Lambs born to these ewes were tested with both sound stimuli. Lambs tested with sound patterns which they had not heard before birth showed more heart rate acceleration during or after stimulation than did lambs tested with sounds which could already have been familiar. This difference was much greater in the response to alien than to species sounds, and it was less consistent on the first than on subsequent trials. There was also a tendency for a marked change in the respiratory pattern, evidenced as a sigh, to occur in response to familiar sound.
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| All Time | Past 365 days | Past 30 Days | |
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Postnatal Consequences of Prenatal Sound Stimulation in the Sheep
In: BehaviourSearch for other papers by Margaret A. Vince in
Current site
Google Scholar
PubMed
Search for other papers by Sally E. Armitage in
Current site
Google Scholar
PubMed
Search for other papers by Elisabeth SHILLITO WALSER in
Current site
Google Scholar
PubMed
Search for other papers by Margaret Reader in
Current site
Google Scholar
PubMed
Abstract
Two experiments were carried out to test the hypothesis that prenatal sound stimulation has postnatal effects in sheep. In the first, a group of domesticated ewes was stimulated with an alien sound and their lambs' response to the same sound was compared with that of lambs born to unstimulated mothers. In the second experiment a group of Soay ewes was stimulated with an alien sound and a comparable group stimulated with a series of bleats. Lambs born to these ewes were tested with both sound stimuli. Lambs tested with sound patterns which they had not heard before birth showed more heart rate acceleration during or after stimulation than did lambs tested with sounds which could already have been familiar. This difference was much greater in the response to alien than to species sounds, and it was less consistent on the first than on subsequent trials. There was also a tendency for a marked change in the respiratory pattern, evidenced as a sigh, to occur in response to familiar sound.
| All Time | Past 365 days | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 305 | 47 | 11 |
| Full Text Views | 133 | 0 | 0 |
| PDF Views & Downloads | 34 | 0 | 0 |
