%0 Journal Article
%T EffectoffoodrestrictionontheenergymetabolismoftheChinesebulbul(Pycnonotussinensis)
%A Qing-Jian LIANG
%A Lei ZHAO
%A Jia-Qi WANG
%A Qian CHEN
%A Wei-Hong ZHENG
%A Jin-Song LIU
%J 动物学研究
%P 79-87
%D 2015
%X Foodresourcesplayanimportantroleintheregulationofanimals'physiologyandbehavior.Weinvestigatedtheeffectofshort-termfoodrestrictiononmetabolicthermogenesisofChinesebulbuls(Pycnonotussinensis)bymeasuringchangesinbodymass,bodyfat,basicmetabolicrate(BMR),andorganmassofwild-caughtChinesebulbulsfromWenzhou,China.Short-termfoodrestrictioninducedasignificantdecreaseinbodymassandbodyfatbutbodymassreturnedtonormallevelssoonafterfoodwasnolongerrestricted.FoodrestrictioncausedasignificantreductioninBMRafter7days(P<0.05),whichreturnedtonormallevelsafterfoodrestrictionceased.LogtotalBMRwaspositivelycorrelatedwithlogbodymass(r2=0.126,P<0.05).Thedrymassesofliversandthedigestivetractwerehigherinbirdsthathadbeensubjecttotemporaryfoodrestrictionthanincontrolbirdsandthosesubjecttocontinualfoodrestriction(P<0.001andP<0.05,respectively).Therewasalsosignificantdifferencesinthedrymassofthelungs(P<0.05),heart(P<0.01),andspleen(P<0.05)inbirdssubjecttoshort-termfoodrestrictioncomparedtocontrolbirdsandthosesubjecttocontinualfoodrestriction.BMRwaspositivelycorrelatedwithbodyandorgan(heart,kidneyandstomach)mass.TheseresultssuggestthattheChinesebulbuladjuststorestrictedfoodavailabilitybyutilizingitsenergyreserves,loweringitsBMRandchangingtheweightofvariousinternalorganssoastobalancetotalenergyrequirements.Thesemayallbesurvivalstrategiesthatallowbirdstocopewithunpredictablevariationinfoodabundance.
%K Basicmetabolicrate
%K Energymetabolism
%K Foodrestriction
%K Pycnonotussinensis
%U http://www.zoores.ac.cn/CN/abstract/abstract3577.shtml