About: Does reproduction accelerate the growth of eye lens mass in female voles?     Goto   Sponge   Distinct   Permalink

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Description
  • Samice v reprodukční kondici měly těžší oční čočky než samice v nereprodukční kondici. Tento efekt ale zmizel, když se do modelu dosadila hmotnost zvirat. Výsledky ukazují, že do modelů pro kalibrační křivky pro určování věku by bylo vhodné dodat ještě hmotnost zvířat jako dodatečnou kovarátu. (cs)
  • Although the eye lens mass method has long been used for determining age in small rodents from natural populations, the effects of breeding on growth rates of lenses are rarely considered. Under laboratory conditions, we examined eye lens mass in two groups of 100- day old females of the common vole (Microtus arvalis) : one comprising the females that have already bred, each delivering two litters, and another comprising controls that did not reproduce. The breeding females were heavier than the nonbreeding ones and also had heavier dried eye lenses. However, the effect of breeding on eye lens mass disappeared when the variation in body mass was accounted for in the statistical model. The total number and mass of offspring that the females produced did not affect the lens mass. We conclude that different reproductive histories did affect the growth of eye lens in female common voles through its influence on body size. These results suggest that besides age, the construction of calibration curve
  • Although the eye lens mass method has long been used for determining age in small rodents from natural populations, the effects of breeding on growth rates of lenses are rarely considered. Under laboratory conditions, we examined eye lens mass in two groups of 100- day old females of the common vole (Microtus arvalis) : one comprising the females that have already bred, each delivering two litters, and another comprising controls that did not reproduce. The breeding females were heavier than the nonbreeding ones and also had heavier dried eye lenses. However, the effect of breeding on eye lens mass disappeared when the variation in body mass was accounted for in the statistical model. The total number and mass of offspring that the females produced did not affect the lens mass. We conclude that different reproductive histories did affect the growth of eye lens in female common voles through its influence on body size. These results suggest that besides age, the construction of calibration curve (en)
Title
  • Does reproduction accelerate the growth of eye lens mass in female voles?
  • Does reproduction accelerate the growth of eye lens mass in female voles? (en)
  • Urychluje reprodukce tůst očních čoček usamic hraboše polního? (cs)
skos:prefLabel
  • Does reproduction accelerate the growth of eye lens mass in female voles?
  • Does reproduction accelerate the growth of eye lens mass in female voles? (en)
  • Urychluje reprodukce tůst očních čoček usamic hraboše polního? (cs)
skos:notation
  • RIV/61989592:15310/07:00004498!RIV08-MSM-15310___
http://linked.open.../vavai/riv/strany
  • 85-88
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA206/04/2003), P(GD524/05/H536), S, Z(AV0Z60930519), Z(MSM6198959212)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 417852
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/07:00004498
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • age estimation; eye lens mass; reproduction (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • BE - Belgické království
http://linked.open...ontrolniKodProRIV
  • [B6082EFC7FB8]
http://linked.open...i/riv/nazevZdroje
  • Belgian Journal of Zoology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 137
http://linked.open...iv/tvurceVysledku
  • Tkadlec, Emil
  • Jánová, Eva
  • Havelková, Dana
http://linked.open...n/vavai/riv/zamer
issn
  • 0777-6276
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
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