Teat massage after milk ingestion in domestic piglets: an example of honest begging?

@article{Jensen1998TeatMA,
  title={Teat massage after milk ingestion in domestic piglets: an example of honest begging?},
  author={P. Jensen and M. Gustafsson and H. Augustsson},
  journal={Animal Behaviour},
  year={1998},
  volume={55},
  pages={779-786}
}
After milk ejection, piglets spend several minutes massaging their own teats on the sow. We examined whether this behaviour could be a mammalian counterpart to begging in young birds, and hence be explained by theories of honest begging. In one experiment, the behaviour of piglets was examined in relation to their previous milk intake. In each of 16 litters, one focal piglet was exposed to three treatments for three consecutive sucklings: 'no milk', where the piglet was withheld from the teat… Expand
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