About: Life history and virulence are linked in the ectoparasitic salmon louse Lepeophtheirus salmonis     Goto   Sponge   NotDistinct   Permalink

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  • Models of virulence evolution for horizontally transmitted parasites often assume that transmission rate (the probability that an infected host infects a susceptible host) and virulence (the increase in host mortality due to infection) are positively correlated, because higher rates of production of propagules may cause more damages to the host. However, empirical support for this assumption is scant and limited to microparasites. To fill this gap, we explored the relationships between parasite life history and virulence in the salmon louse, Lepeophtheirus salmonis, a horizontally transmitted copepod ectoparasite on Atlantic salmon Salmo salar. In the laboratory, we infected juvenile salmon hosts with equal doses of infective L. salmonis larvae and monitored parasite age at first reproduction, parasite fecundity, area of damage caused on the skin of the host, and host weight and length gain. We found that earlier onset of parasite reproduction was associated with higher parasite fecundity.
  • Models of virulence evolution for horizontally transmitted parasites often assume that transmission rate (the probability that an infected host infects a susceptible host) and virulence (the increase in host mortality due to infection) are positively correlated, because higher rates of production of propagules may cause more damages to the host. However, empirical support for this assumption is scant and limited to microparasites. To fill this gap, we explored the relationships between parasite life history and virulence in the salmon louse, Lepeophtheirus salmonis, a horizontally transmitted copepod ectoparasite on Atlantic salmon Salmo salar. In the laboratory, we infected juvenile salmon hosts with equal doses of infective L. salmonis larvae and monitored parasite age at first reproduction, parasite fecundity, area of damage caused on the skin of the host, and host weight and length gain. We found that earlier onset of parasite reproduction was associated with higher parasite fecundity. (en)
Title
  • Life history and virulence are linked in the ectoparasitic salmon louse Lepeophtheirus salmonis
  • Life history and virulence are linked in the ectoparasitic salmon louse Lepeophtheirus salmonis (en)
skos:prefLabel
  • Life history and virulence are linked in the ectoparasitic salmon louse Lepeophtheirus salmonis
  • Life history and virulence are linked in the ectoparasitic salmon louse Lepeophtheirus salmonis (en)
skos:notation
  • RIV/00216224:14310/12:00059529!RIV13-MSM-14310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
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  • 147034
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  • RIV/00216224:14310/12:00059529
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • age at maturity; Atlantic salmon; ectoparasite; fecundity; Lepeophtheirus salmonis; life history evolution; Salmo salar L.; salmon louse; transmission; virulence trade-off; virulence evolution (en)
http://linked.open.../riv/klicoveSlovo
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  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [F57C23941E6F]
http://linked.open...i/riv/nazevZdroje
  • Journal of Evolutionary Biology
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http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 25
http://linked.open...iv/tvurceVysledku
  • Dávidová, Martina
  • Ebert, Dieter
  • Hamre, Lars Are
  • Mennerat, Adele
  • Nilsen, Frank
  • Skorping, Arne
http://linked.open...ain/vavai/riv/wos
  • 000302551000006
issn
  • 1010-061X
number of pages
http://bibframe.org/vocab/doi
  • 10.1111/j.1420-9101.2012.02474.x
http://localhost/t...ganizacniJednotka
  • 14310
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