規(guī)模化養(yǎng)羊舍飼環(huán)境及工程設(shè)施與羊行為關(guān)系的研究.pdf

1、中國農(nóng)業(yè)大學(xué)博士學(xué)位論文規(guī)模化養(yǎng)羊舍飼環(huán)境及工程設(shè)施與羊行為關(guān)系的研究姓名：臧強申請學(xué)位級別：博士專業(yè)：農(nóng)業(yè)生物環(huán)境與能源工程指導(dǎo)教師：李保明20060601AbstractAs也eecologicalenvironmentofthegrasslandisgraduallygettingworseendthepolicyofgrazingprohibitionandrotationisbeingimplemented，sheephous

2、ingsystemhasbeenbecomingthedevelopingtrendofsheepindustryinChinaOneofthemaintasksofsheephousingsystemistooptimizethepmductionmodelandequippedfacilitiesforprovidingconffortableenvironmentendmeetingthebehavioralendbiologic

3、alneedsofthesheepCombiningtheresearchmethodsandknowledgeofanimalbehaviorandagIiculturalengineering，therelationshipbetweensheepbehaviorandhousingenvironmentaswellasequippedfacilitiesissystematicallystudiedanddiscussedwith

4、thehelpofaadvancedbehaviormonitorsystemandanalysissoftware(TheObserverVideo—Pro)inthisthesisFieldexperimentswereconductedinanintensivesheepfarminChifengCityInnerMongoliainNorthernChinafrom2003to2005Theenvironmentofthenat

5、urallyventilatedsheephouseswasmeasuredanditseffectsonreproductiveandproductiveperformanceoflittlefattailedsheepwereinvestigatedActivityrhythm，behavioralcharacteristicsendmutualrelationshipofsheepbehaviorsundertheloosehou

6、singsystemwereanalyzedTheinfluencesofhousingenvironment，shadingandfloortypeonthesheepbehaviorwerealsostudiedinthispaperThemainconclusionsare：(1)Thebricksheephousewithnatureventilationsystemcouldprovideagoodthermalandhumi

7、dityenvironmentforthesheepinChifengregionTheaverageinsidetemperatureswere29℃lowerand8—10“ChigherthantheoutsidetemperaturesinsummerandwintermspectivelyFurthermore，theconcentrationsofcontaminantgasesinsidethehousesweremuch

8、lowerthanthethresholdsofthesheepButenvironmentaltemperaturehadaextremelyeffectsonthelambingandsurvivalrateoflittlefat—tailedsheep(2)Behavioralpatternsincludingeatinganddrinking，rumination，resting，walkingoflittlefattailed

9、sheepattheirdifferentphysiologicalstateswereanalyzedinsummerTherewerebehavioraldifferencesamonglittlefattailedsheepattheirdifferentphysiologicalstatesunderloosehousingsystemThreepeaksofeatingtimeoflittlef亂一tailedsheepwer

10、efoundandthetimefrom16：00to18：00everydaywasthemostpreferableperiodinsunnTlerTheruminatingbehaviorwashighlycorrelatedwitheatingbehaviorThefirstruminationoftenoccurredat3050minutesaftereatingIndaytime，peakruminatingactivit

11、ynormallyhappenedfrom08：00to10：00endfrom13：00to16：00Thesheepnormallyruminatedaslyingonthefloorwhiledrinkingbehavioroftenhappenedaseating，DuringthepeakeatingactivitythenumberofdrinkingofsheepwouldincreaseForthesheepwhichw

12、ereundertheshadingonthepaddock，drinkingtimes，Visitstothetrough，andwaterintakewerealllessthanthosewithoutshading(3)Thefloortypesofsheephousewerestudiedfirstly，whichofferedtheorybasisfordesignandmanagementofsheephousefloor

13、inwinterTheexperimentalresultsshowedthatover70％sheeppreferredtolieonthefloorscoveredbythebeddingmaterialswithlowerheatconductivity(deeplitteranddryfeces)inwinterThepreferencesofsheeptofloortypesweresignificantlycorrelate