Cryptosporidium infection in herds with and without calf diarrhoeal problems.

abstract：:Drashia megastoma (Spirurida: Habronematidae) occurs in nodules in the stomach wall and rarely free in the stomach of the horse, mule and zebra throughout the world. D. megastoma develops in the housefly Musca domestica and causes gastric haemorrhage or even perforation of the stomach. Larvae of this nematode may be f...

journal_title：Parasitology research

authors： Naem S

更新日期：2007-09-01 00:00:00

abstract：:Chagas disease, caused by the protozoan Trypanosoma cruzi (T. cruzi), although discovered more than a century ago, is still a not very well-elucidated aspect. Individuals in the chronic phase of the disease may present asymptomatic clinical form or symptomatologies related to the cardiac, digestive systems, or both (m...

journal_title：Parasitology research

authors： Carvalho TB,Padovani CR,de Oliveira Júnior LR,Latini ACP,Kurokawa CS,Pereira PCM,Dos Santos RM

更新日期：2019-08-01 00:00:00

abstract：:Maturation of trematode larval stages is expected to be temporally and spatially adapted to maximise the encounter with the adequate downstream host, i.e. the host, which will be infected by this parasite stage. Since studies on intramolluscan parasite maturation are scarce but important in the context of parasite tra...

journal_title：Parasitology research

authors： Born-Torrijos A,Raga JA,Holzer AS

更新日期：2016-02-01 00:00:00

abstract：:To quantify the effect of Nosema algerae (Microsporidia, Nosematidae) on the development of Plasmodium falciparum in Anopheles stephensi (Diptera, Culicidae), we carried out infection experiments under standardized laboratory conditions. Apart from a mean reduction of 69% in oocyst development, smaller numbers of oocy...

journal_title：Parasitology research

authors： Margos G,Maier WA,Seitz HM

更新日期：1992-01-01 00:00:00

abstract：:The present study represents the first detailed description of the haptoral sclerites of Macrogyrodactylus clarii Gussev 1961. Light microscopy reveals outgrowths of the hamuli roots; two lateral spine-like extensions of the hood-like accessory sclerites; a ridged, fan-shaped distal end of an accessory sclerite; and t...

journal_title：Parasitology research

authors： El-Naggar MM,Arafa SZ,El-Abbassy SA,Kearn GC,Cable J

更新日期：2020-12-01 00:00:00

abstract：:Dermanyssus gallinae (Acari: Mesostigmata) is the most important hematophagous ectoparasite in layer farms in many countries. The reproduction rate of the parasite is rapid and can be completed in a week under favorable conditions. The parasite has direct and indirect effects on birds. It can also act as a vector for ...

journal_title：Parasitology research

authors： Faghihzadeh Gorji S,Faghihzadeh Gorji S,Rajabloo M

更新日期：2014-03-01 00:00:00

abstract：:Ticks and tick-borne diseases (TBDs) continue to pose an insidious and ever-present threat to livestock and livelihoods across the globe. Two of the most significant TBDs of cattle in Africa are heartwater and babesioisis, caused by Ehrlichia ruminantium and Babesia bigemina respectively. Both pathogens are endemic in...

journal_title：Parasitology research

authors： Hector E,Elelu N,Ferrolho J,Couto J,Sanches G,Antunes S,Domingos A,Eisler M

更新日期：2019-03-01 00:00:00

abstract：:The efficacy of abamectin 1%, when injected subcutaneously in cattle at a dose of 200 micrograms/kg body weight, against the larval stages (grubs) of the fly Dermatobia hominis was evaluated in two trials in endemic areas of Brazil and Argentina. Eighteen Holstein x Brahman castrated males and 16 Brahman-cross with na...

journal_title：Parasitology research

authors： Cruz JB,Benitez-Usher C,Cramer LG,Gross SJ,Kohn AB

更新日期：1993-01-01 00:00:00

abstract：:Feline lungworms infect the respiratory tract of wild and domestic cats, causing infection often associated with clinical disease. Until recently, Aelurostrongylus abstrusus has been considered the most relevant species of lungworm, while Troglostrongylus brevior was considered of less significance. Fecal samples of f...

journal_title：Parasitology research

authors： Salant H,Yasur-Landau D,Rojas A,Otranto D,Mazuz ML,Baneth G

更新日期：2020-10-01 00:00:00

abstract：:Infections with the metastrongyloid nematode Aelurostrongylus abstrusus in cats have been reported sporadically from Germany. To assess the occurrence and regional geographical distribution of A. abstrusus in Germany, faecal samples from 391 cats with symptoms of respiratory disease were collected from December 2009 t...

journal_title：Parasitology research

authors： Barutzki D,Schaper R

更新日期：2013-02-01 00:00:00

abstract：:Tryptophan-N-formylated gramicidin A, a nonhemolytic derivative of the toxic peptide antibiotic gramicidin A, has previously been shown to induce potassium leakage from Plasmodium falciparum-infected erythrocytes in vitro and to inhibit the growth of the parasite. In the present study the antimalarial activities of tw...

journal_title：Parasitology research

authors： Otten-Kuipers MA,Roelofsen B,Op den Kamp JA

更新日期：1995-01-01 00:00:00

abstract：:In patients infected with Trichuris trichiura, large eggs as well as more typical eggs were frequently found in the feces; these large eggs have been attributed to human infection by T. vulpis. To clarify whether the female worms laying the large eggs were T. trichiura or T. vulpis, we examined the morphology of adult...

journal_title：Parasitology research

authors： Yoshikawa H,Yamada M,Matsumoto Y,Yoshida Y

更新日期：1989-01-01 00:00:00

abstract：:Avian malaria is of significant ecological importance and serves as a model system to study broad patterns of host switching and host specificity. The erythrocyte invasion mechanism of the malaria parasite Plasmodium is mediated, in large part, by proteins of the erythrocyte-binding-like (ebl) family of genes. However...

journal_title：Parasitology research

authors： Martinez C,Marzec T,Smith CD,Tell LA,Sehgal RN

更新日期：2013-03-01 00:00:00

abstract：:The artemisinin-based combination therapy (ACT) is adopted by several countries as first line for malaria treatment in the last decade. Concomitantly, the World Health Organization and other research reports showed a dramatic decline in malaria burden in terms of morbidity, mortality and treatment failure (TF). The op...

journal_title：Parasitology research

authors： Giha HA

更新日期：2010-02-01 00:00:00

abstract：:Transforming growth factor-beta (TGF-beta) is a highly conserved cytokine that has a well-known regulatory role in immunity, but also in organ development of most animal species including helminths. Homologous tgf-b genes and mRNA have been detected in the filaria Brugia malayi. The in situ protein expression is unkno...

journal_title：Parasitology research

authors： Korten S,Büttner DW,Schmetz C,Hoerauf A,Mand S,Brattig N

更新日期：2009-09-01 00:00:00

abstract：:The tick Rhipicephalus microplus affects cattle health, with production loss in tropical and subtropical regions. Moreover, the use of commercial acaricides has been reduced due to the resistance of this parasite. Although alternatives such as plant bioactive molecules have been sought, essential oils present variatio...

journal_title：Parasitology research

authors： Silva Lima A,Milhomem MN,Santos Monteiro O,Arruda ACP,de Castro JAM,Fernandes YML,Maia JGS,Costa-Junior LM

更新日期：2018-01-01 00:00:00

abstract：:The efficacies of 20 mg/kg body weight (BW) of toltrazuril (Toltra) 2 days post-infection (dpi), 2 mg/kg BW of diclazuril 2 and 3 dpi and 200 mg/kg BW of sulphadimidine 2, 3 and 4 dpi were compared in a model for piglet isosporosis. Weight gain (first 4 weeks of life) and diarrhoea and oocyst excretion from 4 to 11 dp...

journal_title：Parasitology research

authors： Mundt HC,Mundt-Wüstenberg S,Daugschies A,Joachim A

更新日期：2007-01-01 00:00:00

abstract：:Within the present study, we offer new information on the morphology, histopathology, and 18S ribosomal DNA (rDNA) sequence of Myxobolus scardinii to supplement and revise the original description of Reuss (Bull Acad Imp Sci St-Pétersbourg, V Serie, XXV, No. 3: 199-205, 1906). M. scardinii was found infecting the gill...

journal_title：Parasitology research

authors： Pekmezci GZ,Yardimci B,Yilmaz S

更新日期：2015-10-01 00:00:00

abstract：:Albendazole (ABZ), a widely used anthelmintic, attributes its primary metabolite-albendazole sulfoxide (ABZSO)-as an effective agent against helminthes. For a purpose of long-lasting releasing ABZSO in a special lesion, the present study successfully manufactured ABZSO-loaded thermo-sensitive hydrogel, which was prove...

journal_title：Parasitology research

authors： Feng Y,Wang F,Zhang XW,Bhutani H,Ye B

更新日期：2017-03-01 00:00:00

abstract：:Despite the fact that cestodes represent major etiological agents of both human and domestic animal diseases, little is known about the molecular aspects of cestode development. In this work, Mesocestoides corti, a model cestode species, was studied from the early development of its larval form (tetrathyridium) into a...

journal_title：Parasitology research

authors： Laschuk A,Monteiro KM,Vidal NM,Pinto PM,Duran R,Cerveñanski C,Zaha A,Ferreira HB

更新日期：2011-03-01 00:00:00

abstract：:The purpose of this study was to evaluate the practicality of using real-time PCR for quantifying feces-derived trichostrongyle eggs. Haemonchus contortus eggs were used to evaluate fecal contaminants, time after egg embryonation, and the presence of competing and non-competing DNAs as factors that might interfere wit...

journal_title：Parasitology research

authors： Harmon AF,Williams ZB,Zarlenga DS,Hildreth MB

更新日期：2007-06-01 00:00:00

abstract：:Acanthamoeba is a free-living pathogenic protozoan that is distributed in different environmental reservoirs, including lakes and soil. Pathogenic Acanthamoeba can cause severe human diseases, such as blinding keratitis and granulomatous encephalitis. Therefore, it is important to understand the pathogenic relationshi...

journal_title：Parasitology research

authors： Huang JM,Chang YT,Shih MH,Lin WC,Huang FC

更新日期：2019-06-01 00:00:00

abstract：:Pathogen-free rainbow trout (Oncorhynchus mykiss) aged 735 degree days were experimentally exposed to a low dose of infectious Myxobolus cerebralis (20 triactinomyxons fish(-1)). Three time periods were chosen for sampling that included 10 days (d), 67 d, and 5 months (mo) post exposure. Five diagnostic assays were us...

journal_title：Parasitology research

authors： Kelley GO,Adkison MA,Zagmutt-Vergara FJ,Leutenegger CM,Bethel JW,Myklebust KA,McDowell TS,Hedrick RP

更新日期：2006-09-01 00:00:00

abstract：:The effect of pentavalent meglumine antimoniate (glucantime) on the growth kinetics of promastigotes of 13 South American Leishmania strains isolated from patients, sylvatic reservoirs, and vectors was studied. Four of five L. (Viannia) braziliensis human isolates were obtained from drug-responsive patients and one wa...

journal_title：Parasitology research

authors： Moreira ES,Anacleto C,Petrillo-Peixoto ML

更新日期：1998-09-01 00:00:00

abstract：:Hepatozoon aegypti Bashtar, Boulos & Mehlhorn, 1984 was first described from the blood of the diadem snake (Spalerosophis diadema) in Egypt. During an investigation of the diversity of reptilian haemogregarines in Saudi Arabia, seven diadem snakes (100% of the sample) were found to be highly parasitised by H. aegypti,...

journal_title：Parasitology research

authors： Abdel-Haleem HM,Mansour L,Holal M,Qasem MAA,Al-Quraishy S,Abdel-Baki AS

更新日期：2018-10-01 00:00:00

abstract：:The electron microscopic investigation of the anterior part of the infective third-stage juvenile of Onchocerca volvulus provides first insights into the structure of the excretory system of this developmental stage of the parasite. The most anterior part of this system consists of a cell process of the syncytial excr...

journal_title：Parasitology research

authors： Strote G,Bonow I

更新日期：1995-01-01 00:00:00

abstract：:Aedes aegypti and Ae. albopictus are key vectors in the spread of arboviruses such as dengue, chikungunya, yellow fever, and Zika. Triatoma rubrofasciata is an "assassin bug" whose populations and association with humans have dramatically increased and may represent a serious health concern. Control of insect vectors ...

journal_title：Parasitology research

authors： Satyal P,Hieu HV,Chuong NTH,Hung NH,Sinh LH,Van The P,Tai TA,Hien VT,Setzer WN

更新日期：2019-03-01 00:00:00

abstract：:Microneme protein 8 (MIC8) is considered a new essential invasion factor in Toxoplasma gondii. In the present study, a deoxyribonucleic acid vaccine expressing MIC8 of T. gondii was constructed and the immune response it induced in Kunming mice was evaluated. The gene sequence encoding MIC8 was inserted into the eukar...

journal_title：Parasitology research

authors： Liu MM,Yuan ZG,Peng GH,Zhou DH,He XH,Yan C,Yin CC,He Y,Lin RQ,Song HQ,Zhu XQ

更新日期：2010-04-01 00:00:00

abstract：:Trichomoniasis is the interplay between the infecting parasite, Trichomonas vaginalis, and the host, on which the clinical presentation of the disease depends. Although the clinical spectrum varies from an asymptomatic state to mild, moderate or severe symptoms, the exact virulence markers of T. vaginalis have not bee...

journal_title：Parasitology research

authors： Malla N,Valadkhani Z,Harjai K,Sharma S,Gupta I

更新日期：2004-09-01 00:00:00

abstract：:Whole sequencing of protozoan trypanosomatid genomes revealed the presence of several predicted unknown genes coding for hypothetical proteins. Pairwise, alignment-based, computational methods available online are unable to identify the function of these sequences. To detect clues to identify the function of hypotheti...

journal_title：Parasitology research

authors： Cestari IS,Haver NJ,Barbosa-Silva A,Ramirez MI

更新日期：2006-03-01 00:00:00