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1、Somelessonsonautumnabortionsyndrome秋季流产综合征的几点经验教训Urinarytractinfectionsarepresentinsowfarmsatratesgoingfrom17to45%andabove.Whenvulvaedischargesareseen,anelevatednumberofanimalsarealreadyaffectedandsomeareirrecoverable.Insightintotheproblem–anditsrelationtoclimate–isonesteponthewaytoprevention
2、.在母猪场，尿路感染的比率从17%—45%不等，甚至更高。当肉眼可见外阴分泌物时，说明受影响的动物数量明显增多，并且有一部分是无法救治的。对于这个问题，深入了解其与气候的关系是预防的一个步。ByDiegoPadoan,DVM,Biomin,ItalyThewell-knownAmericanauthorandjournalistHalBorlandoncewrote:“Forthefalloftheyearismorethanthreemonthsboundedbyanequinoxandasolstice.Itisasummingupwithoutthefinalityofye
3、arsend.”美国著名作家、记者HalBorland曾经写道：“以秋分和和冬至为界，今年的秋天会超过3个月。这是一个小结，而不是一年的结尾”。Whenreadingthisarticle,thehotsummeronthenorthernhemispherehasalreadypassed,cropshavebeenharvested,somehavestillgrapestogather,butthegeneralattitudeistoslowtowardwinter.Itisafavourableseasonfortheanimals;theairiscomfortabl
4、eanddoesn'tneedtobecooledorwarmed,barnwindowscanbekeptopendayandnight.Animalkeepingappearseasier,worksrunwithoutpitching,onlytoputagainincyclethesowsthatfailedduringhotweatherandthatcometoheatmoreoftenbetween44and53days.当阅读这篇文章时，炎热的夏天在北半球已经过去了，庄稼已经收割了，一些地方还在采摘葡萄，但总体的趋势是向冬季缓慢过渡。对动物来说，这是一个有利的季节
5、；空气是舒适的，不需要降温或加热，畜舍的窗户在白天和黑夜都可以保持开放。动物饲养更容易，运营不需要调节，当天气炎热时，只要在周期内再次投入循环代替淘汰的母猪，高温一般持续44—45天。Duringintermediateseasonsitisalwaysadvisabletotakespecialcareofsows'urinarytracts.在中间季节，通常可以适当采取特殊方法照顾母猪的尿路。Butthisisreallytheseasonofsumming,toremembertoswitchfromsummerfeeding,otherwiselighterpigsare
6、goingtocostproducersmoney.Somediseases,suchasPorcineReproductiveandRespiratorySyndrome(PRRS)orErysipelas,appeartobemoreaggressive,itissimplyduetoalittledecreaseinimmunereactionthathappensinthisperiod,totemperaturefluctuationsthataredramaticinintermediateseasons,tochangesinfeedinganditisduetoa
7、shorternumberofhoursofdaylight.Inthisperiodthestoredfeedsarenearlyatanend,rawmaterialsthatstayedayearlong,withalltheirchargeofdecayandmouldcontamination;thosewhohavealreadystartedwithnewlyharvestedcorn,sometimesstillfermenting,shouldcarryoutc
