The significance of facultative scavenging in generalist predator nutrition: detecting decayed prey in the guts of predators using PCR.

@article{Foltan2005TheSO,
  title={The significance of facultative scavenging in generalist predator nutrition: detecting decayed prey in the guts of predators using PCR.},
  author={Pavel Foltan and Samuel K. Sheppard and Martin Konvi{\vc}ka and William O. C. Symondson},
  journal={Molecular ecology},
  year={2005},
  volume={14 13},
  pages={4147-58}
}
Gut-content analyses using molecular techniques are an effective approach to quantifying predator-prey interactions. Predation is often assumed but scavenging is an equally likely route by which animal DNA enters the gut of a predator/scavenger. We used PCR (polymerase chain reaction) to detect scavenged material in predator gut homogenates. The rates at which DNA in decaying slugs (Mollusca: Pulmonata) and aphids (Homoptera: Aphididae) became undetectable were estimated. The detectability of… CONTINUE READING

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