| [parasitic helminths of the cecum and colon of equidae in italy]. | intestinal helminths from coecum and colon were studied in 93 equidae including 40 horses, 36 donkeys and 17 mules. a total of 38 species, 36 nematodes and 2 cestodes, were identified as follows: 1) triodontophorus serratus, 2) triodontophorus brevicauda, 3) strongylus equinus, 4) strongylus edentatus, 5) strongylus vulgaris, 6) cyathostomum tetracanthum, 7) cyathostomum coronatum, 8) cyathostomum labiatum, 9) cyathostomum labratum, 10) cyathostomum alveatum, 11) cyathostomum pateratum, 12) cyat ... | 1992 | 1339978 |
| identification of thiabendazole-resistant cyathostome species in louisiana. | a critical trial was performed with five ponies 6-9 months of age and raised on a horse farm with demonstrated benzimidazole-resistant cyathostomes. eleven species of cyathostomes were recovered, seven of which had resistance to thiabendazole. degrees of resistance varied among ponies and from species to species. resistant species were cyathostomum coronatum, cyathostomum catinatum, cylicostephanus minutus, cylicostephanus calicatus, cylicostephanus longibursatus, cylicostephanus goldi and cylic ... | 1991 | 1957489 |
| prevalence and abundance of equine strongyles (nematoda: strongyloidea) in tropical australia. | a postmortem survey of 57 horses in tropical northern queensland revealed 41 (89%) infected with intestinal strongyles. thirty-five strongyle species (8 large strongyles and 27 small strongyles [cyathostominae]) were recorded of which 9 species are reported from australia for the first time. the 14 most prevalent small strongyles were cyathostomum catinatum (in 76% of horses), cyathostomum coronatum (65%), cyathostomum pateratum (33%), cyathostomum labiatum (30%), cylicostephanus calicatus (70%) ... | 1990 | 2380857 |
| internal parasites of horses on mixed grassveld and bushveld in transvaal, republic of south africa. | between 1980 and 1982, the gastrointestinal tracts of 17 horses which had been grazing on mixed grassveld at potchefstroom and bushveld at onderstepoort in the province of transvaal, republic of south africa, were examined at necropsy and processed for parasite recovery. the large strongyles and their prevalences were as follows: strongylus vulgaris and associated lesions (88-94%), strongylus edentatus (24%), strongylus equinus (30%), triodontophorus nipponicus (35%) and craterostomum acuticauda ... | 1989 | 2588465 |
| possible resistance of small strongyles from female ponies in the netherlands against albendazole. | to determine resistance of small strongyles to albendazole, 3 female ponies (group 1) were grazed on a pasture from may to november 1985 and were treated with 7.5 mg of albendazole/kg of body weight, po, 2 days before turnout in may and again in june and in july. three other female ponies (group 2) grazed on a similar pasture from may to july, were treated with 7.5 mg of albendazole/kg, and were removed to another pasture until november. in december, ponies from both groups were treated with 7.5 ... | 1988 | 3421546 |
| nematode parasites from burchell's zebras in south africa. | twenty-five burchell's zebras (equus burchelli antiquorum) which were culled at monthly intervals in the kruger national park were examined for helminths. twenty-nine species of nematodes belonging to the families atractidae, habronematidae, onchocercidae, oxyuridae, strongylidae, strongyloididae and trichostrongylidae were recovered. the cyathostomes (small strongyles) most abundant were cyathostomum tetracanthum, cylicostephanus calicatus, cylindropharynx sp. (? c. intermedia theiler, 1923) an ... | 1987 | 3625897 |
| control of strongylosis in horses by alternate grazing of horses and sheep and some other aspects of the epidemiology of strongylidae infections. | alternate grazing of horses and sheep as a control measure for gastrointestinal helminthiasis was studied in three grazing experiments in 1981, 1982 and 1983. each year a group of three mare yearling shetland ponies, which were kept on a small pasture from spring to autumn, were compared with a similar group which grazed a similar or the same pasture until july and were subsequently removed to a similar pasture which had been grazed by sheep from april to july. in addition both groups were treat ... | 1986 | 3962151 |
| studies on the parasites of zebras. 1. nematodes of the burchell's zebra in the kruger national park. | nineteen species of gastro-intestinal nematodes were recovered from 10 burchell's zebra. these include: cyathostomum alveatum, c. montgomeryi and c. tetracanthum; cylicocyclus auriculatus, c. gyalocephaloides, c. insigne and c. triramosus; cylicodontophorus schürmanni and cylicodontophorus n.sp., cylicostephanus bidentatus, c. calicatus and c. minutus; poteriostomum ratzii, craterostomum acuticaudatum, triodontophorus minor, habronema majus, h. muscae, h. zebrae, and draschia megastoma, as well ... | 1983 | 6634083 |
| the prevalence and abundance of internal parasites in working horses autopsied in poland. | the digestive tracts of 50 working horses from private farms in poland were examined. thirty-seven nematode species, two tapeworm species and one species of botfly were recovered. the most prevalent small strongyle species were cyathostomum catinatum, cylicocyclus nassatus, cylicostephanus goldi, cylicostephanus longibursatus, cyathostomum coronatum, cylicostephanus calicatus, cylicocyclus leptostomus and cylicostephanus minutus. thirteen cyathostome species showed a site preference in the ventr ... | 1995 | 7676606 |
| critical tests of thiabendazole, oxibendazole, and oxfendazole for drug resistance of population-b equine small strongyles (1989 and 1990). | critical tests were conducted in horses (n = 11) with naturally acquired infections of benzimidazole (bz)-resistant population-b small strongyles in 1989 and 1990. anthelmintics administered were thiabendazole (44 mg/kg of body weight, n = 4), oxibendazole (10 mg/kg, n = 3), and oxfendazole (ofz, 10 mg/kg; n = 4). all compounds were paste formulations administered orally except for 1 of the ofz treatments, which was a suspension formulation given by stomach tube. aggregate mean efficacy was calc ... | 1993 | 8323061 |
| species markers for equine strongyles detected in intergenic rdna by pcr-rflp. | five species of equine strongyle belonging to the subfamily strongylinae (strongylus edentatus, s. equinus, s. vulgaris, oesophagodontus robustus and triodontophorus serratus) and 11 species belonging to the subfamily cyathostominae (poteriostomum imparidentatum, p. ratzii, cylicocyclus insignis, cc. leptostomus, cc. nassatus, cylicostephanus calicatus, cs. longibursatus, cs. goldi, cyathostomum catinatum, cy. labiatum and cy. pateratum) were characterized using a polymerase chain reaction-linke ... | 1996 | 8910892 |
| critical test evaluation (1977-1992) of drug efficacy against endoparasites featuring benzimidazole-resistant small strongyles (population s) in shetland ponies. | several compounds (n = 13 single or combinations; most at therapeutic dosages) were evaluated between 1977 and 1992 in critical tests (n = 91) against benzimidazole (bz) resistant small strongyles (population s) and several other species of internal parasites in shetland ponies, mostly under 1 year old. the closed breeding herd, from which the test ponies were selected, had been treated every 8 weeks with cambendazole (cbz) for 4 years (1974-1978) and oxibendazole (obz) for 14 years (1978-1992). ... | 1996 | 8988557 |
| a study (1977-1992) of population dynamics of endoparasites featuring benzimidazole-resistant small strongyles (population s) in shetland ponies. | critical tests (91) were done between 1977 and 1992 in shetland ponies to evaluate drug susceptibility and population dynamics (present paper) of endoparasites. the test ponies, most less than 1 year old, were from a herd where older animals were treated every 8 weeks initially with cambendazole (cbz) (1974-1978) and then with oxibendazole (obz) (1978-1992). previous field test data (1974-1992) on older ponies in the breeding herd indicated the presence of benzimidazole (bz) resistant small stro ... | 1996 | 8988558 |
| prevalence, abundance and site distribution of equine small strongyles in normandy, france. | forty-two horses from normandy (france) were examined post-mortem for small strongyle infections from october to march. in the positive horses, total worm numbers ranged from 234 to 90,247 (mean 11,297). encysted larvae represented the major part of the total cyathostome burdens with a high percentage (83%) being early third stage larvae. they were mostly recovered from the caecum (48%) and ventral colon (40%) and were less present in the dorsal colon (12%). adult cyathostomes were mainly locate ... | 2002 | 12446091 |
| structure of the community of the strongylidae nematodes in the dorsal colon of equus caballus from rio de janeiro state--brazil. | the structure of the community of strongylidae nematodes in the dorsal colon of naturally infected horses from the metropolitan region of rio de janeiro state was evaluated in 33 samples. twenty-three species were found: cylicostephanus longibursatus, cylicostephanus goldi, cylicocyclus nassatus and cyathostomum tetracanthum were the central ones; cylicostephanus minutus, cylicostephanus calicatus, cylicocyclus leptostomus, cylicodontophorus bicoronatus and parapoteriostomum euproctus were secon ... | 2003 | 12581589 |
| expulsion of small strongyle nematodes (cyathostomin spp) following deworming of horses on a stud farm in sweden. | this study was conducted on a stud farm in sweden to investigate the species composition of cyathostomins expelled in the faeces of horses after deworming using three different anthelmintic preparations. twenty-seven horses excreting > or = 200 strongyle eggs per gram faeces (epg) were divided into three comparable groups and dewormed on day 0 with either of following compounds: 0.2 mg ivermectin per kg body weight (bw), 19 mg pyrantel pamoate per kg bw or 7.5 mg fenbendazole per kg bw. for each ... | 2003 | 12944042 |
| analysis of the strongylid nematodes (nematoda: strongylidae) community after deworming of brood horses in ukraine. | communities of intestinal helminths in horses are commonly studied post mortem. the study objectives were here to examine the species composition of the strongylid community in brood horses in ukraine after deworming with an aversectin drug univerm. the site distribution of the strongylid species was analysed according to dynamics of their expulsion in faeces. forty-four horses of different ages from poltavska oblast (22 horses), kyivska oblast (17 horses) and sumska oblast (5 horses) of ukraine ... | 2005 | 15979240 |
| diversity of the infracommunities of strongylid nematodes in the ventral colon of equus caballus from rio de janeiro state, brazil. | nematodes from the ventral colon of 31 adult horses, 24 males and 9 females, in the metropolitan region of the state of rio de janeiro were analysed. there were 53,444 (86.4%) adults of the total recovered strongylid nematodes. they belonged to 21 species of cyathostominae and seven of strongylinae. larval forms made up 13.6% (8407) of the total recovered, and 49% of the strongylid nematodes were observed in ventral colon. the most prevalent and abundant species were cyathostomum tetracanthum, c ... | 2006 | 16406328 |
| anthelmintic resistance in cyathostomins of brood horses in ukraine and influence of anthelmintic treatments on strongylid community structure. | in 2004-2006, 322 brood horses from 11 horse farms were examined using the faecal egg count reduction test (fecrt) to determine the presence and distribution of anthelmintic resistance in strongylids in ukraine. the anthelmintic drugs "albendazole-7.5" (7.5mg of albenazole, ukraine) at a dose of 5mg per kg body weight and "univerm" (0.2% aversectin c, russia) at a dose of 0.5mg per kg body weight were used. seventy-one horses from six farms were examined in vivo to investigate the influence of a ... | 2008 | 18485600 |
| species-specific identification of equine cyathostomes resistant to fenbendazole and susceptible to oxibendazole and moxidectin by macroarray probing. | cyathostome populations in horses on two farms located in central italy with a history of fenbendazole (fbz) resistance were investigated with the faecal egg count reduction test to evaluate the susceptibility to oxibendazole and moxidectin. faecal eggs were collected pre- and post-treatment on each farm and molecularly examined with a reverse line blot (rlb) assay able to unequivocally detect and identify 13 cyathostome species. resistance to fbz was confirmed on both farms, while oxibendazole ... | 2009 | 18950625 |
| morphometric identification of equid cyathostome (nematoda: cyathostominae) infective larvae. | the prevalence of infection with cyathosthomes of horses is high worldwide. identification of species on infective larvae based on available morphological keys is not fully accurate and the aim of the present study was to provide a reliable identification key of cyathostomes infective larvae. at the abattoir, horse large intestines were examined and the cyathostomes females extracted and identified. the eggs from uteruses of identified cyathostomes females were used for breeding the infective la ... | 2009 | 19359100 |
| occurrence of strongyles (strongylidae) in horses from small farms on the basis of necropsy. | three parts of the large intestine, i.e. the dorsal and ventral colon, and caecum in 41 working horses from small farms in southern poland were examined. five species of large strongyles (3 migratory species from genus strongylus and 2 non-migratory from genus triodontophorus) and as well as 17 species of cyathostomes were revealed. the prevalence of large strongyles was observed, accordingly: strongylus vulgaris--80.5%, s. equinus--9.8%, s. edentatus--4.9%, triodontophorus serratus--19.5% and t ... | 2009 | 19645353 |
| use of a reverse line blot assay to survey small strongyle (strongylida: cyathostominae) populations in horses before and after treatment with ivermectin. | a sensitive and specific pcr hybridization assay was applied for species-specific monitoring of the small strongyle (strongylida: cyathostominae) populations in horses in a herd before and after treatment with the anthelmintic drug ivermectin. fecal samples were collected pre- and post-treatment weekly from eight individual horses (four foals and four yearlings) for 6 weeks to determine counts of strongyle eggs per gram of feces (epgs). additionally, one foal and one yearling were nontreated con ... | 2010 | 20045254 |
| observations on development of natural infection and species composition of small strongyles in young equids in kentucky. | early development and maturation of species of small strongyles have not been studied extensively. most information is on the first appearance of strongyle eggs in feces of foals. however, species cannot be determined in this manner because of similarity of the morphological features of the eggs. to determine more definitive knowledge on development and species composition of natural infections of small strongyles, eight equid foals were necropsied and examined at various ages (31 to 92 days of ... | 2011 | 21614543 |
| field study on the efficacy of an oral 2% ivermectin formulation in horses. | twenty horses naturally infected with nematodes were included in a blind, controlled field study on efficacy and safety of an oral 2% ivermectin formulation at a dose of 0.2 mg.kg(-1). horses were divided into treated and non-treated (control) groups with ten animals each based on preliminary counts of eggs per gram of feces (epg). stool samples were collected after treatment for identification of nematode species. clinical evaluations and epg counts were performed on days 0, +5, +14 and +19. ni ... | 2011 | 21722495 |
| the prevalence, abundance and distribution of cyathostomins (small stongyles) in horses from western romania. | forty seven working horses from romania were post-mortem examined for small strongyles (cyathostominae) infections. all horses were found infected. the overall cyathostomins intensity ranged from 390 to 13,010 and horses were infected by 8-24 species. the intensity was higher in ventral colon (1531) and dorsal colon (824), the lowest in the caecum (524). twenty four species were identified. cyathostomum catinatum, cylicocyclus insigne, and c. nassatus had 100% of prevalence. over 50% of horses w ... | 2016 | 27198801 |
| fecundity of various species of strongylids (nematoda: strongylidae)--parasites of domestic horses. | the aims of the study were to determine fecundity of several strongylid species parasitizing domestic horses and analyze possible relations between numbers of eggs in female uteri and size of both the eggs and the nematodes as well as the influence of fecundity on proportion of species in the strongylid community. twenty-five specimens from each of 15 strongylid species (strongylus vulgaris, strongylus edentatus, triodontophorus serratus, triodontophorus brevicauda, triodontophorus tenuicollis, ... | 2012 | 22903448 |