Risky behaviour by piglets: a trade off between feeding and risk of mortality by maternal crushing?
Article Abstract:
Piglets of low weight spend more time underneath their mothers because of their greater need for energy and have more access to feeding but are more prone to mortality risk by maternal crushing. Fast growing and healthy piglets spent less time underneath the sow and are less prone to crushing. Benefits associated with feeding affect the behavior of the piglets. Piglets near the sow continue to massage the mother's udder and initiate the nursing process and increase the milk production. Nearness to the mother allows piglets access to feeding.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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Sows show stronger responses to isolation calls of piglets associated with greater levels of piglet need
Article Abstract:
Sows respond more strongly to extreme sequences of isolated piglets that give out higher rate and frequency, and duration of calls. They approach the speaker to respond to the playback by moving about its nearby area, increasing their vocalizations and reducing the duration of their calls. The sows show stronger responses to playback from needy piglets by increasing their vocalization, movement and time spent near the speaker. The response to their own litter is faster than that to other piglets.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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Calling by domestic piglets: reliable signals of need?
Article Abstract:
Piglets receiving less nourishment call more and use distinct calls compared to well nourished and high body weight piglets. Playback experiment reveals that the response of sows is high for isolation calls. The level of call of isolated piglets is positively associated with the level of need. The isolation calls are louder, longer, and occur more frequently.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1995
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