Reist1fatcow

fatcow  时间:2021-01-11  阅读:()
THECHANGESOFMETABOLICPROFILEANDITSASSOCIATIONWITHFATCOWSYNDROMEINHIGHYIELDINGCOWSDURINGDRYPERIODANDAFTERMutluSevinc,VeysiAslanSelukUniversity,FacultyofVet.
Med.
Thisinvestigationwascarriedouton17BrownSwisscattleintheCentralResearchInstituteofKonyaduringthewinterandlastinguntiltheendofspring.
Bloodsamplesweretakenfromthejugu-larveinduringthe7thand8thmonthofgestationandafterbirthandonthe15thdayafterpartu-ration.
BloodgasanalysesandotherchemicalparametersweremeasuredbyusingaBloodGasAn-alyzerandAutoanalyzerInstruments.
Atthesametime,liverbiopsysampleswereobtainedfromeachcowduringtheexperimentinordertoobserveanyfatinltrationtotheliver.
Blood-ionizedcalcium(ICa)andnormalizedcalcium(normCa)concentrationsdecreasedsigni-cantlyatparturation.
Thesameparameetersweresignicantlyelevatedonthe15thdayafterpartu-ration.
Theothermetabolicprolesthatweremeasuredchangedinsignicantlyduringtheexperi-ment.
Fatinltrationtotheliverwasobservedinafewcowsbuttheleveloffatinltrationwasnotsevere.
CONCENTRATEFEEDINGSTRATEGYINLACTATINGDAIRYCOWS:METABOLICANDENDOCRINECHANGESWITHEMPHASISONLEPTINM.
Reist1,2,D.
Erdin1,D.
vonEuw1,K.
Tschümperlin1,C.
Delavaud2,Y.
Chilliard2,H.
Hammon3,C.
Morel3,Ch.
Philipona3,Y.
Zbinden3,N.
Künzi1andJ.
W.
Blum31Inst.
ofAnimalScience,GroupofAnimalBreeding,SwissFederalInst.
ofTechnology,CH-8092Zurich,Switzerland,2HerbivoreResearchUnit,NationalInstituteforAgriculturalResearch(INRA),F-63122St-Genès-Champanelle,France,and3Div.
ofAnimalNutritionandPhysiology,Inst.
ofAnimalGenetics,NutritionandHousing,Univ.
ofBerne,CH-3012Berne,Switzerland.
Relationshipsbetweenleptinandmetabolic,enzymatic,endocrineandzootechnicaltraitswereas-sessedin90multiparousHolsteincows[mean9'500kgenergy-correctedmilk/305d],heldinare-searchfarmfromwk2antepartum(a.
p.
)towk20postpartum(p.
p.
).
Concentrates(8MJNEL/kgDM)werefedbyautomaticfeedersfor24hat30%(C30)or50%(C50)oftotaldrymatter(DM)intake(DMI)fromwk1-10p.
p.
andwerethencontinuouslyloweredto2.
4%and4%untilwk34,resp.
.
Roughage(6MJNEL/kgDM)wasfedadlibitum.
DMIwasmeasuredcontinuouslyduring24h.
Milkyieldandbodyweight(BW)weredeterminedtwice/d.
Milkcompositionwasdetermined4times/wkandmilkacetone(AC)wasmeasuredweekly.
Bloodsamplesforthedeterminationofmetabolites,hormones,enzymesandelectrolyteswereobtainedinwk2a.
p.
andweeklyfromwk1-16andinwk20p.
p.
between0730and0900.
Bodyconditionscores(BCS)andultrasonicmeasure-mentsofbackfatthickness,long.
dorsimusclediameterandfatdepthinthepelvicareawereevalu-ateda.
p.
andinwk1,4,8,12,16and20p.
p.
.
Inwk4p.
p.
,metabolicandendocrineproleswere204Abstracts–Oralpresentationsat11thICPDActavet.
scand.
Suppl.
98-2003studiedin10cowsofC30andC50,resp.
,byhourlybloodsamplingfrom0730-1530.
Metabolitesandenzymesweremeasuredphotometricallyandhormonesweredeterminedbyspecies-specicra-dioimmunoassays.
Results:Roughageintakewashigher,buttotalDMIwasconsiderablylowerinC30thanC50.
Peakmilkproduction(42.
1and43.
8kg/dinC30andC50,resp.
)wasreachedinwk4p.
p.
,butmeanyieldsofC30cowswereonly1.
28kg/dlowerthanofC50cows.
Energybalance(EB)waspositivea.
p.
,reachedanadiratwk2p.
p.
(-46.
0and-29.
6MJNELinC30andC50,resp.
)andthenincreaseduptowk20p.
p.
.
MetabolicstresswasmoremarkedinC30thanC50cows,ex-pressedbylowerlevelsofglucose,leptin,insulin,IGF-1,T3,milkproteinandlactose,buthigherlev-elsofNEFA,BHBA,GHandmilkAC,andafasterdecreaseofBCSandbackfatthicknessinC30thanC50cowsovertherst20wkp.
p.
(P17mmol/l,glucose>8,8mmol/l)isequivalenttoGPX-activities>500U/mgHb.
InthesecasestheSODactivityisonlyslightlydecreased.
TheSODactivitiesdecreasespecialafterrepositionofrightsideDA.
212Abstracts–Oralpresentationsat11thICPDActavet.
scand.
Suppl.
98-2003

SugarHosts糖果主机圣诞节促销 美国/香港虚拟主机低至6折

SugarHosts 糖果主机商我们算是比较熟悉的,早年学会建站的时候开始就用的糖果虚拟主机,目前他们家还算是为数不多提供虚拟主机的商家,有提供香港、美国、德国等虚拟主机机房。香港机房CN2速度比较快,美国机房有提供优化线路和普通线路适合外贸业务。德国欧洲机房适合欧洲业务的虚拟主机。糖果主机商一般是不会发布黑五活动的,他们在圣圣诞节促销活动是有的,我们看到糖果主机商发布的圣诞节促销虚拟主机低至6折...

月神科技 国内上新成都高防 全场八折促销续费同价!

月神科技是由江西月神科技有限公司运营的一家自营云产品的IDC服务商,提供香港安畅、香港沙田、美国CERA、成都电信等机房资源,月神科技有自己的用户群和拥有创宇认证,并且也有电商企业将业务架设在月神科技的平台上。本次带来的是全场八折促销,续费同价。并且上新了国内成都高防服务器,单机100G集群1.2T真实防御,上层屏蔽UDP,可定制CC策略。非常适合网站用户。官方网站:https://www.ysi...

VPSDime7美元/月,美国达拉斯Windows VPS,2核4G/50GB SSD/2TB流量/Hyper-V虚拟化

VPSDime是2013年成立的国外VPS主机商,以大内存闻名业界,主营基于OpenVZ和KVM虚拟化的Linux套餐,大内存、10Gbps大带宽、大硬盘,有美国西雅图、达拉斯、新泽西、英国、荷兰机房可选。在上个月搞了一款达拉斯Linux系统VPS促销,详情查看:VPSDime夏季促销:美国达拉斯VPS/2G内存/2核/20gSSD/1T流量/$20/年,此次推出一款Windows VPS,依然是...

fatcow为你推荐
独立ip空间大家都来看看,下面哪个独立IP空间好域名空间代理域名空间代理商哪个好?已备案域名查询如何查询已备案的域名是否在万网备案的?vpsVPS是什么?网站服务器租用网站的服务器买哪里的最好,还有租用一年大概多少钱???急!!!便宜的虚拟主机哪里有便宜的国内虚拟主机?免费域名空间求1个免费空间送域名那种虚拟主机系统虚拟主机怎么安装操作系统虚拟主机99idc如何选择虚拟主机的的操作系统以及更换操作系统是注意事项西安虚拟主机西安互联是个什么公司?
fdcservers burstnet 加勒比群岛 优key 表格样式 双12活动 godaddy域名转出 国内php空间 网通ip 灵动鬼影 毫秒英文 申请个人网站 空间论坛 最好的免费空间 免费吧 什么是服务器托管 天翼云盘 web服务器安全 爱奇艺会员免费试用 美国盐湖城 更多