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HELMINTOS PARÁSITOS DE SEMAPROCHILODUS INSIGNIS JARDINE, 1841 (OSTEICHTHYES: PROCHILODONTIDAE) DEL CENTRO DE LA AMAZONÍA (BRASIL), Y SU RELACIÓN CON EL HOSPEDERO 亚马逊中部(巴西)SEMAPROCHILODUS INSIGNIS JARDINE, 1841(骨鱼目:原chilodontidae)的寄生蠕虫及其与宿主的关系
Pub Date : 2021-05-23 DOI: 10.24039/RNH2011521077
Ana Rita Baptista da Silva, M. Tavares-Dias, Joelma dos Santos Fernandes
This study describes the parasitic fauna and the host-parasite relationship of Semaprochilodus insignis Jardine, 1841 from Coari Lake, a tributary of the middle Solimoes River (state of Amazonas, Brazil) in Central Amazonia. Of 56 fish examined, 23.2% had gills parasitized by Gyrodactylus Gemini Ferraz, Shinn & Sommerville 1994 (Monogenoidea: Gyrodactylidae), and the intestine by Procamallanus inopinatus Travassos, Artigas & Pereira, 1928 (Nematoda: Camallanidae). The highest rates of infection were caused by G. gemini. Even though the relative condition factor (Kn) was not affected by parasitism, there was a positive correlation between the intensity of both helminthes, the Kn and the total length of the hosts. This is the first report on the parasitic fauna of S. insignis with occurrences of G. gemini and P. inopinatus for this Neotropical host fromthe Amazonia.
本研究描述了来自巴西亚马孙州(Solimoes River)中游支流Coari湖的Semaprochilodus insignis Jardine, 1841的寄生区系和寄主-寄生虫关系。在56条鱼中,23.2%的鱼鳃寄生有Gemini Gyrodactylus Ferraz, Shinn & Sommerville 1994(单基因总科:Gyrodactylidae),肠寄生有inopinatus Travassos, Artigas & Pereira, 1928(线虫目:Camallanidae)。以双胞杆菌感染率最高。尽管相对条件因子(Kn)不受寄生影响,但两种寄生蜂的寄生强度、相对条件因子(Kn)与寄主总长度均呈正相关。本文首次报道了该新热带寄主在亚马逊地区的寄生区系,并发现gemini和inopinatus。
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引用次数: 0
Prevalencia y epidemiología del parasitismo intestinal en escolares de nivel primario de Pucchún, Camaná, Arequipa, Perú, 2006 2006年,秘鲁阿雷基帕,camana, pucchun小学生肠道寄生虫流行率和流行病学
Pub Date : 2021-05-23 DOI: 10.24039/RNH2011521082
Liz Casquina-Guere, Elí Martínez-Barrios
The present study was done, from May to August 2006 in Pucchun, a town located in Arequipa-Peru,Camana Province, Mariscal Caceres District. One fecal sample and epidemiological dates wereobtained from each of Pucchun's Primary School students. Fecal samples were processed by modifiedTeleman technique and fast sedimentation. 92.68% of samples had one or more intestinal parasites,predominantly protozoa: Entamoeba histolytica/ Entamoeba dispar (33.17%), Giardia intestinalis(31.71%), Hymenolepis nana (47.17%), Diphyllobothrium pacificum (0.49%) and Fasciola hepatica(0.49%). Polyparasitism (42.63%) was more frequently encountered. Non pathogen parasites were alsopresent and included Entamoeba coli (72.68%), Blastocystis hominis (48.29%), Endolimax nana(35.61%), Iodamoeba butschlii(23.90%), and Chilomastix mesnilli (16.58%). Epidemiological factorsfound were: age between 8 and 10 years, inadequate form and place of rubbish elimination, presence ofrodents and vectors in houses and eating uncooked vegetables.
本研究于2006年5月至8月在卡马纳省阿雷基帕-秘鲁马里斯卡尔卡塞雷斯区普春镇进行。从普春小学的每位学生中获得了一份粪便样本和流行病学数据。采用改进的teleman技术和快速沉淀法处理粪便样品。92.68%的标本中有1种或1种以上的肠道寄生虫,以原生动物为主:溶组织内阿米巴/异丙内阿米巴(33.17%)、肠贾第鞭毛虫(31.71%)、奈纳膜膜绦虫(47.17%)、太平洋双叶虫(0.49%)和肝片形吸虫(0.49%)。多寄生较多,占42.63%。非致病性寄生虫包括大肠内阿米巴(72.68%)、人芽囊虫(48.29%)、娜娜内达莫巴(35.61%)、布氏碘达摩巴(23.90%)和梅氏奇马克斯虫(16.58%)。发现的流行病学因素是:年龄在8至10岁之间,垃圾清除的形式和地点不充分,房屋中存在害虫和病媒,以及食用未煮熟的蔬菜。
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引用次数: 7
Ictioparasitología marina en el sistema de afloramiento de la corriente de Humboldt: desafíos para la revista Neotropical Helminthology 洪堡洋流露头系统中的海洋鱼类寄生虫学:新热带蠕虫学杂志的挑战
Pub Date : 2021-05-23 DOI: 10.24039/RNH2010421095
M. Oliva, José L. Luque
Humboldt, definido como “a Large Marine Ecosystem”, se extiende a lo largo de la Costa Occidental de América del Sur, desde la zona Centro Sur de Chile (app. 42°S) hasta el Norte del Perú (4°S). Es uno de los mayores sistemas de afloramiento del mundo y responsable por los extraordinariamente altos niveles de producción. Es considerado un sistema clase 1, altamente 2 productivo (>300 g·C/m -año). Los altos valores de producción primaria de este sistema soportan las más grandes pesquerías a nivel mundial (Alheit & Bernal, 1993). Alrededor del 18-20% de las capturas mundiales provienen de este sistema, específicamente de pelágicos pequeños como anchoveta (Engraulis ringens Jenyns, 1842), sardina (Sardinops sagax (Jenyns, 1842)) y jurel (Trachurus murphyi Nichols, 1920). De un sistema de estas características deberá esperarse una alta diversidad biológica.
洪堡,被定义为“一个大型海洋生态系统”,沿着南美洲西海岸延伸,从智利中南部(42°S)到秘鲁北部(4°S)。它是世界上最大的露头系统之一,是极高产量水平的原因。它被认为是一个1类系统,高产2 (>300 g·C/m -年)。该系统的高初级生产价值支持世界上最大的渔业(Alheit & Bernal, 1993)。世界上大约18-20%的渔获量来自这一系统,特别是小型远洋鱼类,如凤尾鱼(Engraulis ringens Jenyns, 1842)、沙丁鱼(Sardinops sagax (Jenyns, 1842))和马鲛鱼(Trachurus murphyi Nichols, 1920)。这样一个系统应该具有高度的生物多样性。
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引用次数: 3
NUEVA ESPECIE DE TEMNOCEPHALA BLANCHARD (PLATYHELMINTHES, TEMNOCEPHALIDA) ECTOSIMBIONTE EN DILOCARCINUS SEPTEMDENTATUS (DECAPODA, TRICHODACTYLIDAE) DE LA AMAZONÍA BRASILERA 巴西亚马逊地区9月双carcinus SEPTEMDENTATUS(十足纲,TRICHODACTYLIDAE)外共生体TEMNOCEPHALA BLANCHARD新种(PLATYHELMINTHES, temnocephalid)
Pub Date : 2021-05-23 DOI: 10.24039/RNH2011521074
Samantha A. Seixas, J. F. R. Amato, Suzana B. Amato
Temnocephala longivaginata sp. n., an ectosymbiont on Dilocarcinus septemdentatus (Herbst, 1783), is described from crabs in the State of Para, Brazilian Amazonia. Fifty crabs were collected from the Rio Peixe-Boi, Municipality of Peixe-Boi. Dilocarcinus septemdentatus is the type host of Temnocephala microdactyla Monticelli, 1903, a species with a precarious original description, but redescribed on two other occasions from different hosts: Sylviocarcinus australis Magalhaes & Turkay, 1996 and Dilocarcinus pagei Stimpson, 1861. The new species is most similar to Temnocephala pignalberiae Dioni, 1967, but differs by having the following characters: 1. cirrus with a circle of sclerites in the distal portion of the introvert, followed by a smooth portion (without spines or ridges); 2. proximal, inner portion of the introvert with longitudinal ridges; 3. vesicula 'intermedia' long, replacing the seminal receptacles; 4. vagina long, with a widening of its distal portion, near the asymmetrical vaginal sphincter; and 5. small and 'shoe sole' shaped dorsolateral 'excretory' syncytial epidermal plates. Prior to the present study, all species of Temnocephala were shown to have the cirrus' introvert either smooth or with spines. Ridges in the inner wall of the introvert and a circle of sclerites are here recorded for the first time in Temnocephalidae.
从巴西亚马逊河流域帕拉州的蟹类中发现了一种寄生在七星蟹上的外共生体Temnocephala longivaginata sp. n. (Herbst, 1783)。本研究采集了50只来自Peixe-Boi市Rio Peixe-Boi的螃蟹。Dilocarcinus septemdentatus是Temnocephala microdactyla Monticelli(1903)的类型寄主,该物种的原始描述不稳定,但在其他两次不同寄主的情况下被重新描述:Sylviocarcinus australis Magalhaes & Turkay(1996)和Dilocarcinus pagei Stimpson(1861)。该新种与Temnocephala pignalberiae Dioni, 1967最相似,但不同之处在于具有以下特征:卷云,在内向的远端部分有一圈硬膜,接着是光滑的部分(没有刺或脊);2. 内向的近端,内部部分具有纵向脊;3.囊'中间'长,取代精囊;4. 阴道长,具其远端部分的加宽,靠近不对称的阴道括约肌;和5。小的和'鞋底'形背外侧'排泄'合胞表皮板。在本研究之前,所有种类的Temnocephala都被证明具有卷云的内向或光滑或带刺。在蝶头科中首次记录到内壁脊和一圈巩膜。
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引用次数: 0
Prevalencia de Giardiasis en guarderías infantiles de Tiabaya – Arequipa, Perú, 2006 2006年秘鲁阿雷基帕Tiabaya幼儿园贾第虫病流行情况
Pub Date : 2021-05-23 DOI: 10.24039/RNH2011521083
Elí Martínez-Barrios, Luis Cerpa-Gonzales, Manuel Liu-Cam
Giardiasisis a cosmopolitan infection, it's prevalence around the world vary between 0.5 and 50%. Itsprevalence averages about 15% in Latin America's rural population. Because there is very littleinformation on the prevalence of Giardia infection in our city, we decided to investigate giardiasisprevalence in preschool children of Tiabaya`s district kindergartens, Arequipa province, Peru.Children`s parents were interviewed and fecal samples were collected from 104 children. Samples wereprocessed by modified Teleman technique. The prevalence of Giardia intestinaliswas 25.96%; 70.37%of samples had a single parasite and 29.63% had other parasites. Most of the cases came from ruralplaces with inadequate rubbish elimination. Diarrhea and appetite diminution were the most commonsymptoms.
贾第鞭毛虫病是一种世界性的传染病,它在世界各地的患病率在0.5%到50%之间。它在拉丁美洲农村人口中的患病率平均约为15%。由于关于本市贾第虫感染流行率的信息很少,我们决定调查秘鲁阿雷基帕省Tiabaya地区幼儿园学龄前儿童贾第虫感染流行率。访谈了儿童的父母,并收集了104名儿童的粪便样本。采用改进的Teleman技术对样品进行处理。肠道贾第虫患病率为25.96%;70.37%的样本有单一寄生虫,29.63%的样本有其他寄生虫。大多数病例来自垃圾清除不足的农村地区。腹泻和食欲减退是最常见的症状。
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引用次数: 1
DINÁMICA POBLACIONAL DE LOS PARÁSITOS METAZOOS DEL PEZ GUITARRA DEL PACÍFICO RHINOBATOS PLANICEPS (BATOIDEA: RAJIFORMES) DE LA ZONA COSTERA MARINA DE LIMA, PERÚ 秘鲁利马沿海海域太平洋吉他鱼后生寄生虫RHINOBATOS PLANICEPS (bato总科:RAJIFORMES)的种群动态
Pub Date : 2021-05-23 DOI: 10.24039/RNH2011521084
J. Iannacone, José Avila Peltroche, Stefany Rojas Perea, Marysabel Salas Sierralta, Karen Neira Cruzado, Rebeca Palomares Torres, Sofía Valdivia Alarcón, A. P. Silva, Veronica Vargas, Valeria Ferrario Bazalar
Thirty-six specimens of Rhinobatos planiceps (Garman, 1880) "Pacific guitar fish" were acquired fromthe Chorrillos Fishmarket, Lima, Peru between September 2009 and August 2010 to assess thepopulation dynamics of parasitic metazoa. Of the fish examined, 14 were females and 22 were males.The fish had an average total length of 85.0 ± 19.3 cm (27 to 125). Metazoan parasites were collectedand counted using standard parasitological protocols. The parasite assemblage recorded a higherpercentage of endoparasites than ectoparasites. All hosts showed infection with at least one parasiticspecies. Ten species were found with the following prevalence of infection and mean abundance: threespecies of Monogenea: Anoplocotyloides papillatus (41.6% and 1.1), A. chorrillensis (30.5% and 0.5)and Rhinobatonchocotyle pacifica (63.8% and 4.1), three species of cestodes: Rhinebothrium rhinobati(8.3% and 0.1), Prochristianella heteracantha (11.1% and 0 , 1) and Acanthobothrium olseni (27.7%and 0.6), one nematode Proleptus carvajali (80.5% and 148), one hirudinean Stibarobdella moorei(5.5% and 0.1), and finally two species of copepods Eudactylina peruensis (2.7% and 0.02) andOmmatokoita elongata (13.8% and 0.2). The specific importance index showed that P. carvajalipresented the highest value and is considered a core species in the parasite community. The total lengthwas not related to the prevalence and abundance of parasitic infection, except for a negative relationshipwith the prevalence of the copepod O. elongata. A differential pattern in the mean abundance ofinfection between parasitized and unparasitized fish with A. papillatus and R. pacifica was observed.The interactivity indexes (CC ) for ectoparasites (29.9%) and endoparasites (32.8%) of R. planiceps 50show that communities are interactive.
36个平头犀牛标本(Garman, 1880)研究人员于2009年9月至2010年8月在秘鲁利马的Chorrillos鱼市捕获了“太平洋吉他鱼”,以评估寄生后生动物的种群动态。在接受检查的鱼中,有14条是雌性,22条是雄性。鱼的平均总长度为85.0±19.3 cm(27 ~ 125)。采用标准寄生虫学方法收集和计数后生寄生虫。寄生虫组合记录的内寄生比例高于外寄生比例。所有寄主都至少感染了一种寄生虫。共发现10种,感染率和平均丰度如下:单属3种:乳头状Anoplocotyloides papillatus(41.6%和1.1)、chorrillensis(30.5%和0.5)和Rhinobatonchocotyle pacifica(63.8%和4.1);其中,犀牛角菌(8.3%和0.1)、异棘原菌(11.1%和0.1)和奥氏棘菌(27.7%和0.6)、卡瓦贾棘虫(80.5%和148)、水蛭属木刺虫(5.5%和0.1)、秘鲁桡足类木刺虫(2.7%和0.02)和长形ommatokoita(13.8%和0.2)2种。具体重要性指数显示,卡瓦贾利最高,被认为是寄生虫群落的核心物种。总长度与寄生虫感染的流行度和丰度无关,但与桡足类O. elongata的流行度呈负相关。在被寄生和未被寄生的鱼中,乳头状棘球绦虫和太平洋棘球绦虫的平均感染丰度存在差异。平头粉虱体表虫(29.9%)和体表虫(32.8%)的互作指数(CC)表明群落间存在互作关系。
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引用次数: 5
Biomphalaria straminea (Mollusca: Planorbidae) como hospedeiro intermediário de Zygocotyle lunata (Trematoda: Zygocotylidae) no Brasil
Pub Date : 2021-05-23 DOI: 10.24039/RNH2011521081
F. Barbosa, H. A. Pinto, A. L. Melo
Malacological surveys were carried out in lakes located near the Sao Francisco River or its tributaries in Iguatama, Minas Gerais, Brazil, between July 2009 and September 2010. Of 2.609 specimens of Biomphalaria straminea (Dunker, 1848) collected, 14 (0.54%) were infected by amphistomecercariae. Metacercariae obtained in solid subtract were used to perform experimental infection of AKR/J strain of mice. It was verified the presence of eggs of the parasite in the feces of the mice 30 days after infection. Adult parasites recovered from the intestinal caecum were identified as Zygocotyle lunata (Diesing, 1836). This is the first report of Z. lunata in B. straminea from Brazil
2009年7月至2010年9月,在巴西米纳斯吉拉斯州伊瓜塔马的圣弗朗西斯科河或其支流附近的湖泊进行了线虫学调查。采集到的水蚤(Dunker, 1848)标本2.609份中,有14份(0.54%)感染了amphistomecercarians。采用固体减液法获得囊蚴,对小鼠AKR/J株进行实验感染。在感染后30天的小鼠粪便中证实了寄生虫卵的存在。从肠盲肠中发现的成虫鉴定为Zygocotyle lunata (Diesing, 1836)。这是巴西首次在菌株中发现月亮弧菌
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引用次数: 2
CAPACIDAD EXTRAORDINARIA PARA EL BIOCONTROL LARVAL DE MOSQUITOS EN LA ESPECIE GAMBUSIA PUNCTATA, POEY, 1854 斑点GAMBUSIA PUNCTATA种蚊子幼虫生物防治的非凡能力,POEY, 1854年
Pub Date : 2021-04-17 DOI: 10.24039/RNH20211511053
George Argota-Pérez, Rigoberto Fimia-Duarte, J. Iannacone
The larval control of mosquitoes continues to be a priority for health authorities and despite the application of bioregulation for several decades, biological control seems to be unknown as a sustainable tool. The objective of the note to the editor was to indicate the extraordinary capacity for the larval biocontrol of mosquitoes in the species Gambusia punctata Poey, 1854. Yes, under natural conditions of contamination G. punctata shows its predatory effectiveness of mosquito larvae, then in those places that such contamination can be reversible, why is a chemical control applied to quickly supply this natural response, since science has recognized some positive effects of larvicides, but in the same way, the consequences not only affect the environment where it lives G. punctata, but to human health itself when exposed to water resources contaminated with non-natural products.
蚊子的幼虫控制仍然是卫生当局的一个优先事项,尽管生物调控已经应用了几十年,但生物控制作为一种可持续的工具似乎还不为人所知。给编辑的说明的目的是表明对1854年斑冈比亚(Gambusia punctata Poey)蚊种的幼虫进行生物防治的非凡能力。是的,在污染的自然条件下,马点弓形虫显示出它对蚊子幼虫的捕食效果,那么在那些污染可以逆转的地方,为什么要应用化学控制来快速提供这种自然反应,既然科学已经认识到杀幼虫剂的一些积极作用,但同样的,后果不仅影响了马点弓形虫生活的环境,而是当人类接触到被非天然产品污染的水资源时。
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引用次数: 0
¿EL CRECIMIENTO CEREBRAL SERÁ UNA ADAPTACIÓN AL CRITERIO DE TOLERANCIA AMBIENTAL EN LA ESPECIE CONTROLADORA LARVARIA GAMBUSIA PUNCTATA POEY, 1854? 1854年对照种GAMBUSIA PUNCTATA POEY的大脑生长是对环境耐受性标准的适应吗?
Pub Date : 2021-04-17 DOI: 10.24039/RNH20211511052
George Argota-Pérez, José Iannacone, Rigoberto Fimia-Duarte
The aim of the study was to measure brain growth in the larval control species Gambusia punctata Poey, 1854. The study was carried out in March 2021 and corresponded to two exposure stations in the lower part of the Almendares River (Havana, Cuba). For the sampling, a professional rectangular 60 x 50 x 45cm jamo was used and mesh size of 0.5cm. Eighteen male individuals (station A = 11, station B = 7) well identified by their gonopod were sampled. For the extraction of the brain, the individuals were placed in a ventral position where the containment was by means of a smooth clamp. With another bidentate dissection forceps, the cephalic region was peeled off until the brain was visualized, where its extraction was carried out with new smooth forceps until conization was left in the anatomical-cerebral region. Statistically significant differences were found in the brain growth of individuals between sampling stations A and B. It is concluded that, it is necessary to deepen in various analyzes to demonstrate, the hypothesis that the greater growth of the brain in males of the larval bioregulatory species G. punctata obeys the criterion of environmental tolerance, since from the base of empirical methods by observation and measurements that were carried out, it only meant a preliminary knowledge.
这项研究的目的是测量1854年的对照种Gambusia punctata Poey幼虫的大脑发育情况。该研究于2021年3月进行,与Almendares河下游(古巴哈瓦那)的两个暴露站相对应。采样使用60 x 50 x 45cm的专业矩形板,网目尺寸为0.5cm。经性腺鉴定的雄虫18只(A站11只,B站7只)。为了提取大脑,个体被放置在腹侧位置,那里有一个光滑的钳子。使用另一个双齿解剖钳,剥离头侧区域,直到大脑可见,在那里,用新的光滑钳进行提取,直到解剖大脑区域留下锥形。A、b两个采样点的个体脑发育差异有统计学意义。因此,从观察和测量的经验方法来看,有必要在各种分析中进一步深化,以证明生物调节物种斑蝽幼虫雄性脑较大生长符合环境耐受性标准的假设,这只是初步的认识。
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引用次数: 1
PREVALENCIA DE FASCIOLOSIS (FASCIOLA HEPATICA LINNAEUS, 1758) EN LAS EMPRESAS DE RASTRO BOVINO DE LA PROVINCIA DE IMBABURA, ECUADOR 片形虫病(片形虫肝炎林奈,1758年)在厄瓜多尔因巴布拉省的牛足迹公司的流行
Pub Date : 2021-04-17 DOI: 10.24039/RNH20211511051
Jeferson Cacuango-Quishpe, Vicente Arteaga-Cadena, Ángel Villavicencio-Abril, Rocío Guamán-Guamán, Santiago Ulloa-Cortázar, Edison Medina-Suescun
Fasciolosis is a zoonosis caused by the parasite Fasciola hepatica Linnaeus, 1758, which, in order to develop its biological cycle, requires an intermediate host (gastropod mollusk, Lymnaeidae), and a definitive host (mammals, including man). This disease has caused annual economic losses of $ 200 M in the world. The objective of the present investigation was; to identify the prevalence of F. hepatica in the bovine slaughter centers, to determine the economic losses, and to identify the agroecological characteristics where the intermediate hosts develop, in the province of Imbabura, Ecuador. A prevalence of F. hepatica of 10,9% was identified, where the Canton Otavalo presented 190 positive samples (19,7%), being considered the point with the highest prevalence within the study. The positive bovines were 102 males (26,9%) and 277 females (73,1%), which belong to the Mestizo (53,5%), Holstein (42%) and Normando (4,5%) biotype. 78,6% being over two years and 21,4% under two years. There was an annual economic loss of $ 69.547,5 US dollars. The 20 biotopes sampled remained within the average values; distance from the populated center 0,7 kilometers, area of 42,8 m2; 31 mollusks per biotope, soil pH 7,1; water depth 2,3 cm; altitude from 2,019 to 2,772 meters above sea level; temperature of 20 ° C and relative humidity of 74%. The mollusks were located in ditches (55%), puddles (25%), swamps (10%), streams and the ground (5%), with the presence of kikuyo (Pennisetum clandestinum Hochst. Ex Chiov, 1903) and cattails (Schoenoplectus californicus CA Mey., 1850) as dominant species. The province of Imbabura has a moderate prevalence in terms of epidemiology due to fasciolosis, it is confirmed that these areas present an ecosystem suitable for the development of the biological cycle of fasciolosis.
片形吸虫病是由林奈肝片形吸虫(1758)引起的一种人畜共患病,其生物循环需要中间宿主(腹足类软体动物,林奈科)和最终宿主(哺乳动物,包括人)。这种疾病每年在世界上造成2亿美元的经济损失。本调查的目的是;查明在厄瓜多尔因巴布拉省牛屠宰中心的肝芽胞杆菌流行情况,确定经济损失,并查明中间宿主发展的农业生态特征。发现肝炎F.的患病率为10.9%,其中奥塔瓦洛州有190个阳性样本(19.7%),被认为是研究中患病率最高的点。阳性结果为雄性102头(26.9%),雌性277头(73.1%),分别属于梅斯蒂索(53.5%)、荷尔斯坦(42%)和诺曼多(4.5%)生物型。71.8%的人在两年以上,21.4%的人在两年以下。每年的经济损失为69.547万美元。采样的20个生物群落保持在平均值范围内;距离人口中心0.7公里,面积42.8平方米;每个生物群落有31只软体动物,土壤pH为7.1;水深2、3厘米;海拔2019 ~ 2772米;温度20℃,相对湿度74%。这些软体动物分布在沟渠(55%)、水坑(25%)、沼泽(10%)、溪流和地面(5%),并有kikuyo (Pennisetum clandestinum Hochst)的存在。Ex Chiov, 1903年)和香蒲(加利福尼亚Schoenoplectus calnicus CA Mey)。(1850)为优势种。因巴布拉省因片吸虫病在流行病学方面具有中等流行率,已证实这些地区具有适合片吸虫病生物循环发展的生态系统。
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引用次数: 0
期刊
Neotropical helminthology
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