猪皮肤疾病的鉴别诊断精选课件.ppt

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1、关于猪皮肤疾病的鉴别诊断第一页,本课件共有107页猪皮肤疾病的鉴别诊断第二页,本课件共有107页表皮层真皮层基底层:主要为角质化细胞棘 层:为多边形细胞粒 层:为扁平细胞角质层:为角质化细胞乳头层网 层皮皮肤肤的的结结构构另:鼻还有透明层均由结缔组织组成,均由结缔组织组成,分布有血管、神经、分布有血管、神经、淋巴管及相关的表淋巴管及相关的表皮附件皮附件第三页,本课件共有107页皮皮肤肤的的功功能能维持体液、电解质及大分子物质的平衡防御化学因素、物理因素、微生物的损害或侵入感受触觉、压觉、痛觉、痒觉及温度变化免疫调节维持体温第四页,本课件共有107页猪的皮肤病病因感染性非感染性细菌性病毒性真菌性

2、寄生虫性环境性营养性遗传性肿瘤性杂 病第五页,本课件共有107页细菌性:渗出性皮炎、链球菌病、耳坏死、螺旋体病、面部坏死、脓肿、丹毒、巴氏杆菌病、乳腺炎、水肿病、炭疽、恶性水肿病毒性:猪痘、猪水疱病、水疱性口炎、水疱疹、猪细小病毒病、自发性水疱病、猪瘟、非洲猪瘟真菌性:小孢子菌病、毛癣菌病、皮肤念珠菌病寄生虫性;疥螨病、蠕螨病、虱、蚤、蚊、蝇第六页,本课件共有107页环境性:晒斑、光敏反应、皮肤坏死、黏液囊炎、硬皮病、跛行及脚病变营养性:角化不全、脂肪酸缺乏、碘缺乏、核黄素缺乏、泛酸缺乏、生物素缺乏、VA、VC、VE缺乏遗传性:玫瑰糠疹、增生性皮炎、上皮增殖不全肿瘤性:黑素瘤、横纹肌瘤、淋巴管

3、瘤、乳头状瘤、纤维瘤、血管瘤、汗腺腺瘤、息肉杂病:皮炎肾病综合征第七页,本课件共有107页皮肤病的鉴别诊断皮肤病的鉴别诊断头颈步斑点、水泡、脓庖,脂溢性渗出物(皮脂溢),哺乳仔猪和断奶仔猪,尤其眼周围渗出性皮炎脓疱痂,糜烂,结痂,脓肿链球菌病斑块,脓疱,结痂,脱毛,伴有瘙痒疥螨病脓疱,糜烂,坏死,哺乳仔猪眼下,颊部,唇结痂面部坏死眼周围,结膜,额部水肿,多见于断奶仔猪和青年育肥猪水肿病头、咽部水肿恶性水肿鼻、面部及颈部变为红色至紫红色败血症第八页,本课件共有107页头颈步母猪皮肤散在溃疡、下颌骨处结痂褥疮鼻、唇、口、舌部有水泡,脓疱,坏死口蹄疫、猪水疱病、水疱疹,水泡性口炎,细小病毒病,自发性

4、水泡病水泡,溃烂,黑痂猪痘第九页,本课件共有107页耳部仔猪耳尖和耳廓后缘黑色坏死,溃疡耳坏死,沙门氏菌病,丹毒育肥猪耳廓基部深度溃疡,常为双侧性溃疡性螺旋体病,败血症,猪瘟,非洲猪瘟,晒斑斑块,内耳有棕色或灰色痂膜,耳震颤,瘙痒,成年猪可见灰色厚痂疥螨病斑点,脓疱,黑痂渗出性皮炎,链球菌病圆形斑点,小鳞屑,耳后和颈部变为粉色至红色癣菌病(小孢子菌病)第十页,本课件共有107页背背部部角化症,脊柱两侧有干鳞屑,部分脱毛必需脂肪酸、VA、VC、VE、锌等缺乏新生仔猪无上皮(表观红色、光亮、面积大)疥螨病、上皮增殖不全母猪最后肋骨的脊柱上部、腰部脓肿,压迫性坏死褥袍,因产房内分娩时压迫猪栏的板条或

5、尖头处第十一页,本课件共有107页肩肩部部母猪肩胛骨处皮肤呈大面积深度散在溃疡,坏死,结痂多见于体况差褥疮,因在太硬或钢筋网结构地面分娩,摄入能量太少第十二页,本课件共有107页腹腹部部红斑,脓疱,深棕色痂片,渗出渗出性皮炎,链球菌病,疥螨病,念珠菌病,生物素缺乏红斑,圆形,钻石样红色斑块,常伴有中央坏死,发热,厌食,关节炎丹毒绳索勒伤样丘疹,蜀黍红疹项圈,鳞片及鳞屑(3-14周龄猪)玫瑰糠疹粉色至圆形斑点,外周有鳞屑或痂片癣菌病(小孢子菌病,毛癣菌病)第十三页,本课件共有107页腹腹部部丘疹、厚痂、有裂纹,渗出物锌缺乏(角化不全),增生性皮炎,渗出性皮炎水泡,脓疱,黑痂,病变部位中央凹陷,周

6、围呈圆形隆起猪痘,急性乳房炎泌乳母猪病变处有红斑,尤其是仔猪胸部乳头,后乳头有红色或黑色斑块(痂)产房卫生差,地面粗糙所致的外伤和感染第十四页,本课件共有107页后后腹腹部部及及肋肋腹腹部部红斑,圆形或钻石样红色斑块,伴有中央坏死、发热、厌食、关节炎丹毒丘疹,水泡,脓疱,鳞屑,结痂,皮脂溢渗出性皮炎,链球菌病脓疱,鳞屑,皮肤严重卷曲,脱毛,结痂,伴有角化过度疥螨病,烟酸、泛酸、核黄素、VA缺乏肋腹部有红斑、糜烂或溃疡肋部咬伤丘疹、圆形样斑块,蜀黍红疹项圈,鳞屑(3-14周龄)猪玫瑰糠疹大小不一的粉色至圆形斑点,外周有鳞片或结痂癣菌病(小孢子菌病,毛癣菌病)第十五页,本课件共有107页后腹部阴囊

7、,外阴和会阴部红斑败血症、晒斑尾坏死,溃疡,脓肿(育肥猪)咬尾髋骨处大面积散在溃疡,坏死,结痂(成年猪)褥疮红斑,黑色坏死,多见于阴囊和外阴部皮炎/肾病综合征圆形隆起的小疹块,荨麻疹样反应昆虫叮咬,蝇、蚊、虱第十六页,本课件共有107页腿(肢)红斑,皮肤变为红色至紫色,多见于后踝周围败血症丘疹,绳索勒伤样斑块,蜀黍红疹项圈,鳞片及鳞屑,股中部及腿部有鳞屑(3-14周龄猪)玫瑰糠疹丘疹,厚痂,有裂纹,乳头状瘤锌缺乏(角化不全),渗出性皮炎新生仔猪无上皮(表观红色、光亮、面积大)上皮增殖不全关节(后踝、肘、球节、坐骨关节)处皮肤过度纤维化,有溃疡硬皮病,黏液囊炎哺乳仔猪腕,特别是后踝处皮肤坏死产房

8、地面太硬所致的外伤第十七页,本课件共有107页肢远端、冠状带、脚厚,干痂,裂纹深角化不全,增生性皮炎,渗出性皮炎,疥螨病冠状带及附指(趾)周围有水泡,脓疱,糜烂,跛行口蹄疫、猪水疱病、水泡性口炎,水疱疹,细小病毒病,自发性水泡病脓肿,有渗出物,冠状带肿胀蹄感染引起的Bush脚蹄壁增厚,水平嵴及与冠状带平行增生性皮炎第十八页,本课件共有107页渗出性皮炎(ExudativeEpidermitis or Greasy pig disease)Exudativeepidermitisisageneralizeddermatitisthatoccursin5-to60-day-oldpigsandis

9、characterizedbysuddenonset,withmorbidityof10-90%andmortalityof5-90%.Theacuteformusuallyaffectssucklingpiglets,whereasachronicformismorecommonlyseeninweanerpigs.Ithasbeenreportedfrommostswine-producingareasoftheworld.第十九页,本课件共有107页第二十页,本课件共有107页渗出性皮炎第二十一页,本课件共有107页Thegeneralisedform.第二十二页,本课件共有107页Al

10、ocalisedlesionofgreasypigdisease.Thismaybecannibalised.第二十三页,本课件共有107页EXUDATIVE EPIDERMITISSubacute exudative epidermitis affecting the face,limbs and ventral abdoment in suckling piglets.第二十四页,本课件共有107页EXUDATIVE EPIDERMITISExudative epidermitis.This young pig shows the characteristic greasy lesion

11、on the ventral abdomen.第二十五页,本课件共有107页EXUDATIVE EPIDERMITISChronic exudative epidermitis over the entire body in weaner pig approximately 5 weeks old.第二十六页,本课件共有107页链球菌病PigsKissing第二十七页,本课件共有107页链球菌病猪链球菌病是一种人畜共患的急性、热性传染病,由C、D、E及L群链球菌引起的猪的多种疾病的总称。表现为急性出血性败血症、心内膜炎、脑膜炎、关节炎、哺乳仔猪下痢和孕猪流产等。猪链球菌感染不仅可致猪败血症肺炎

12、、脑膜炎、关节炎及心内膜炎,而且可感染特定人群发病,并可致死亡,危害严重。猪链球菌病可以通过伤口、消化道等途径传染给人,这种病原体早已长期存在猪群身上,因为外界环境发生的变化使得病原体发生变异,从而突破种群障碍,开始从猪传播给人。第二十八页,本课件共有107页第二十九页,本课件共有107页第三十页,本课件共有107页第三十一页,本课件共有107页螺旋体病leptospirosisLeptospirosis is a disease of domestic animals caused by bacteria belonging to the genus Leptospira.These org

13、anisms have a world wide distribution and cause economic loss primarily through reproductive wastage.Losses are greatest in animal populations kept under the intensive farming systems found in the developed world.Specific strains are maintained by different domestic animal hosts,e.g.serovar hardjo i

14、s maintained by cattle and serovar bratislava is maintained by pigs.Leptospirosis is a zoonosis which primarily affects people working in agriculture and related occupations.第三十二页,本课件共有107页第三十三页,本课件共有107页第三十四页,本课件共有107页第三十五页,本课件共有107页第三十六页,本课件共有107页第三十七页,本课件共有107页第三十八页,本课件共有107页丹毒Swine erysipelas is

15、 an infection characterized by diamond shaped skin lesions and in the chronic form,by vegetative endocarditis and arthritis.It is caused by Erysipelothrix rhusiopathiae.第三十九页,本课件共有107页Erysipelothrix rhusiopathiae第四十页,本课件共有107页Erysipelothrixrhusiopathiae,Gramsstain,highpower.Vegetativeendocarditisles

16、ion,showingthegram-positivefilamentstypicalofthisorganism.第四十一页,本课件共有107页Columbiaagar,48h,aerobn.第四十二页,本课件共有107页Antemortemfindings:1.High morbidity 2.Fever in acute stages 3.Conjunctivitis and vomiting in some cases 4.Bright and alert,squealing in pain on movement 5.Pig is lethargic and stops eating

17、 6.Raised red and edematous rhomboid wheals(acute and chronic forms)7.Sloughing of skin in the area of the rhomboid lesion 8.Swollen joints and lameness(chronic stage)9.Sudden death in excited animals 第四十三页,本课件共有107页第四十四页,本课件共有107页急性型急性型 Acute type(Acute type(麻疹型麻疹型):):全身皮膚形成菱形丘疹全身皮膚形成菱形丘疹 第四十五页,本课件

18、共有107页臀部皮膚形成隆起淡紅色菱形皮疹臀部皮膚形成隆起淡紅色菱形皮疹 第四十六页,本课件共有107页SWINEERYSIPELASAcutesevereskinformofswineerysipelaswithextensivesmallraisedpink/redlesionssomedevelopingdarkscabs.第四十七页,本课件共有107页Acuteswineerysipelas,notethetypicalraisedpinklesionswithdiamondshapeddarkred/blackcentralareas.第四十八页,本课件共有107页Erysipela

19、sskinlesions,close-up.第四十九页,本课件共有107页Swine erysipelas.Diamond shaped skin lesions.第五十页,本课件共有107页慢性型慢性型Chronictype(関節炎型関節炎型):関節炎起立困難呈関節炎起立困難呈豚豚第五十一页,本课件共有107页Erysipelas rhomboid lesions on a dolphin skin 第五十二页,本课件共有107页 Erysipelasistransmittedbydirectcontactwithinfectedanimalsortheirexcreta.Thephotos

20、howsthehandofaninfectedhandler.第五十三页,本课件共有107页ResolvingcellulitiscausedbyErysipelothrix rhusiopathiaefollowingtreatmentwithdoxycyclineandciprofloxacin.第五十四页,本课件共有107页VesicularstomatitisViraldiseaseofswine,cattle,horsesandoccasionallyman.ThediseaseiscausedbytwoantigenicallydistincttypesofvirusnamelyI

21、ndianaandNewJerseytypes.Vesicularstomatitisinswineismostcommonlymanifestedbysnoutandfootlesions.第五十五页,本课件共有107页Antemortemfindings:1.Incubation 2 4 days 2.Fever 3.Lesion on the tongue(Fig.)and snout 4.Lesion in the interdigital space or coronary band 5.Refusal of food but acceptance of water 6.Weight

22、 loss 7.Lameness and exungulation 第五十六页,本课件共有107页Vesicularstomatitisvirus,purifiedfromaninfectedcellculture.Thisisanimportantpathogenicvirusofcattle,causingfeverandvesiclesinthemouthandonthefeet.Negativelystainedvirions:notethattheyareclearlybulletshapedjustlikerabiesvirus.Magnificationapproximately

23、x40,000.第五十七页,本课件共有107页Vesicular stomatitis.Detachment of epithelium of the pig tongue.第五十八页,本课件共有107页Blanchedareasonthehardpalate,dentalpadandgums.第五十九页,本课件共有107页Swinevesiculardisease(SWD)A contagious viral disease of swine clinically indistinguishable from vesicular stomatitis,foot and mouth disea

24、se and vesicular exanthema of swine.Antemortemfindings:1.Incubation 2 4 days 2.Fever 40 41C 3.Snout(Fig),oral and feet vesicular lesions 4.Lameness 第六十页,本课件共有107页Earlylesionsoncoronarybandoffoot.第六十一页,本课件共有107页Oldlesionsonfootwithpartialseparationofhoof.第六十二页,本课件共有107页Oldlesionsonrecoveredpigshowing

25、bandinggrowingoutofhoof.第六十三页,本课件共有107页Swine vesicular disease.Snout vesicular lesion.第六十四页,本课件共有107页Vesicularlesionsonsnout.第六十五页,本课件共有107页Recentlyrupturedblisteronrimofsnout.第六十六页,本课件共有107页Recentlyrupturedblisteronfoot.第六十七页,本课件共有107页Separationofhornfollowingruptureofblister.第六十八页,本课件共有107页Rupture

26、dvesicleonsnoutandtongue.第六十九页,本课件共有107页Lesionsoncoronaryband,bulbofheelandsupernumerarydigit.第七十页,本课件共有107页Recentlyrupturedvesicleoninterdigitalspace.第七十一页,本课件共有107页Rupturedvesiclesoncoronaryband.Separationofbands.第七十二页,本课件共有107页Vesicularexanthemaofswine(VES)Anacute,contagious,viraldiseaseofswinema

27、nifestedbytheformationofvesicles.VesicularexanthemaisindistinguishablefromtheotherswinediseasessuchasFMD,VSandSVD.第七十三页,本课件共有107页Antemortemfindings:1.Incubation:24 days 2.Large number of hogs are affected.3.Heavy mortality in suckling pigs 4.Blotchy rash in unpigmented skin(exanthema)5.Vesicles on t

28、he snout and in the mouth.Ruptured vesicles result in erosions 6.Loss of weight 7.Walking on their knees(Fig.122)and lameness 8.Squealing when forced to move 9.Postmortemfindings:Vesicles on mucous membranes and skin第七十四页,本课件共有107页Vesicular exanthema.Pig walking on knees due to pain from the vesicul

29、ar lesion on the feet.第七十五页,本课件共有107页FootandMouthDisease(FMD,Aphthousfever)FMDisacontagious,viraldiseaseofswine,cattle,sheep,goatsandpigsandotherclovenfootedanimals.Thediseaseinpigsismildandisimportantasbeingapotentialdangerfortransmissiontocattle.第七十六页,本课件共有107页Antemortemfindings:1.Incubation 3 15

30、days.Pigs that are fed food wastes contaminated with FMDV may show signs of infection in 1 3 days.2.Snout(Fig.116)and tongue lesions very common in pigs 3.Dullness and lack of appetite 4.Salivation and drooling 5.Detachment of the skin on a pigs foot(Fig.)6.Shaking of feet and lameness due to leg le

31、sions 7.Some strains of FMD in swine 8.do not show vesicles but show erosions.第七十七页,本课件共有107页FMD.Vesicle on the snout in a pig.第七十八页,本课件共有107页FMD Detachment of epithelium on the pigs foot.第七十九页,本课件共有107页AfricanSwineFever(ASF)ASFisahighlycontagiousviraldiseaseofdomesticpigsmanifestedbyfever,blotching

32、ofskin,haemorrhageofthelymphnodes,internalorgansandhaemorrhageofthegastrointestinaltract.Itisobservedinacuteandoccasionallysubacuteandchronicforms.第八十页,本课件共有107页Antemortemfindings:1.Incubation:3 15 days 2.Fever(up to 42C)3.Laboured breathing,coughing 4.Nasal and ocular discharge 5.Loss of appetite a

33、nd diarrhoea 6.Vomiting 7.Incoordination 8.Cyanosis of the extremities and haemorrhages of skin 9.In chronic stage,emaciation and edematous swelling under the mandible and over leg joints 10.Recumbency 第八十一页,本课件共有107页African swine fever.Blotchy skin,cyanosis and haemorrhage.第八十二页,本课件共有107页巴氏杆菌病巴氏杆菌病

34、猪呼吸道疾病常伴有不产毒巴氏杆菌的感染。这种细菌本身可导致肺炎,但多数情况下是作为二次感染继发于地方性肺炎(EP)或繁殖呼吸综合症(PRRS)之后。易感1018周龄生长猪。第八十三页,本课件共有107页症状症状母猪与仔猪母猪与仔猪:少见。断奶猪与生长猪断奶猪与生长猪 急性发病:急性发病:严重的急性肺炎,影响全部肺组织。体温升高。流鼻涕。死亡率升高。呼吸加快。皮肤变色,尤其是耳端皮肤(由毒素或心包感染引起)。第八十四页,本课件共有107页亚急性发病:肺炎较轻,但常伴有心包炎和胸膜炎。咳嗽。流鼻涕。瘦弱。死亡率升高。第八十五页,本课件共有107页Pasteurella multocida第八十六页

35、,本课件共有107页第八十七页,本课件共有107页第八十八页,本课件共有107页第八十九页,本课件共有107页第九十页,本课件共有107页第九十一页,本课件共有107页Infectedcatbite:Pasteurella MultocidaPasteurella Multocida infections develop in approximately 80%of those bitten by cats.The redness is characterized by onset within 24 hours of the bite.Amoxicillin clavulanate or P

36、enicillin V are the first-line antibiotic agents.第九十二页,本课件共有107页乳腺炎很多种细菌的原发感染都会引起乳房炎,其它很多种细菌的原发感染都会引起乳房炎,其它疾病引起的继发感染也可能导致乳房炎。通常疾病引起的继发感染也可能导致乳房炎。通常在母猪当中个别出现,有时也会大群发病。这在母猪当中个别出现,有时也会大群发病。这种病分娩前后出现,大约种病分娩前后出现,大约12小时以后表现临床小时以后表现临床症状。可能由初次侵入乳房的细菌感染所致,也症状。可能由初次侵入乳房的细菌感染所致,也有可能由长期亚临床感染加剧造成。细菌感染的有可能由长期亚临床感

37、染加剧造成。细菌感染的途径可能是通过乳头上的小孔,也可能是通过血途径可能是通过乳头上的小孔,也可能是通过血液,或被仔猪咬伤。断奶时发病也较常见。液,或被仔猪咬伤。断奶时发病也较常见。第九十三页,本课件共有107页能够导致乳房炎的细菌可分成三大类:大肠杆菌、葡萄球菌和链球菌,以及杂类细菌。大肠杆菌乳房炎:大肠杆菌乳房炎:大肠杆菌是与埃希氏大肠杆菌关系密切的一组细菌,最常见的是埃希氏大肠杆菌和克氏杆菌。这种病原可造成严重的乳房炎,致使母猪呈现严重症状,泌乳下降,仔猪生长缓慢。典型特征是乳房表面变色,乳房周围皮肤及耳部、尾部皮肤呈深蓝色。由于该病原在母猪的粪和尿当中普遍存在,它可能引起整个猪群的问题

38、。这种病原在猪场当中无所不在,应该算是一种环境性病原。第九十四页,本课件共有107页葡萄球菌和链球菌乳房炎葡萄球菌和链球菌乳房炎 这种病通常不如大肠杆菌乳房炎严重,并且仅影响个别母猪的个别乳腺,病猪通常不表现病症。但严重的急性葡萄球菌感染会导致乳房肿胀、变硬,并向母猪血液中排放毒素。通常只有一个乳房会感染。与大肠杆菌不同,这种病原并非环境性病原,而是源自皮肤,甚至可能是母猪自己的乳头泌乳孔。有证据显示,这种病原可在猪体内以亚临床感染的形式存在,奶牛和羊身当中也有类似情况。这种亚临床感染在分娩时或分娩之后可转为临床发病。第九十五页,本课件共有107页杂类细菌杂类细菌除上述两类以外的细菌。例如假单

39、胞菌,其感染可引发严重的乳房炎和败血病,且具有抗药性。幸运的是这种感染很少见。第九十六页,本课件共有107页母猪母猪 急性发病:急性发病:分娩时或分娩前出现食欲不振。明显病态,不让仔猪哺乳。体温升高。眼睑粘膜呈砖红色。患病乳房呈红色,肿胀,触痛。整个乳房变色,但以患病乳房为主。慢性发病(常见于干奶母猪):慢性发病(常见于干奶母猪):乳房组织中有硬块,但无触痛。可能从里面溃烂到表面,成为潜在的传染源,将疾病传染给其它母猪。第九十七页,本课件共有107页PorcineDermatitisandNephropathySyndrome(PDNS)With PDNS pigs remain alert

40、with the above dime-sized,raised often raw skin lesions most abundant on the rear legs and belly.The kidneys of these pigs are very enlarged,often more than three to four times the normal size.Pigs may die or spontaneously recover.第九十八页,本课件共有107页ClinicalsignsPDNS occurs mainly in growers and finishe

41、rs,12 to 14 weeks of age and sporadically in other age groups.The most striking sign in live clinically affected pigs is the appearance of extensive purplish red slightly raised blotches of various sizes and shapes over the chest,abdomen,thighs and forelegs.第九十九页,本课件共有107页Overtimetheblotchesbecomeco

42、veredwithdarkcrustsandthenfadeleavingscars.Thepigsaredepressedandmayhaveafever.They are usually reluctant to move eat,loseweight.Sometimestheybreathheavily.Mostpigswithskinlesionsdie.Oedema or fluid may be seen on thelimbsandaroundtheeyelids.Superficiallymphnodesmaybeenlarged.Diarrhoeainsomepigs.第一百

43、页,本课件共有107页PDNS occurs mainly in growers and finishers,12 to 14 weeks of age and sporadically in other age groups.The most striking sign in live clinically affected pigs is the appearance of extensive purplish red slightly raised blotches of various sizes and shapes over the chest,abdomen,thighs and

44、 forelegs.Superficial lymph nodes may be enlarged.Diarrhoea in some pigs.第一百零一页,本课件共有107页Over time the blotches become covered with dark crusts and then fade leaving scars.The pigs are depressed and may have a fever.They are usually reluctant to move eat,lose weight.Sometimes they breath heavily.Most pigs with skin lesions die.Oedema or fluid may be seen on the limbs and around the eyelids.第一百零二页,本课件共有107页Skin lesions associated with PDNS 第一百零三页,本课件共有107页第一百零四页,本课件共有107页第一百零五页,本课件共有107页LETS HAVE A REST!第一百零六页,本课件共有107页感谢大家观看第一百零七页,本课件共有107页

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