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cryptosporidium parvum in cattle, sheep and pigs in galicia (n.w. spain).infection by cryptosporidium parvum has been detected for the first time in cattle and swine in galicia (n.w. spain). the organisms were also found in one of 69 sheep examined. although in most cases the parasite was found in young diarrhoeic animals, its presence in asymptomatic mature cattle and piglets was also detected.19911858293
two years' activity of the veterinary toxicology attention service of lugo, spain.the veterinary toxicology attention service was created at the beginning of 2001 as the first on-line toxicology service for veterinarians and animal owners in spain. in the present study, data about the general functioning of the service and the toxicological analysis and consultations performed are summarized. canine-related cases constituted the main call group and veterinary practitioners represented half of the consultations. coordination between all veterinary toxicology services in spain ...200414748419
seroprevalence of leishmania infantum in northwestern spain, an area traditionally considered free of leishmaniasis.northwestern spain has traditionally been considered to be free from leishmaniasis. the aim of this work was to determine the prevalence of canine leishmaniasis in this area and to assess the influence of several risk factors on the incidence of this disease. a total of 479 dogs attended at different veterinary clinics in northwestern spain were tested for l. infantum with the immunofluorescent antibody (ifa) test. the seroprevalence of l. infantum in this area was 3.7%. most of the seropositive ...200415604485
serological evaluation of anaplasma phagocytophilum infection in livestock in northwestern spain.a total of 1,098 serum samples were analyzed against anaplasma phagocytophilum by immunofluorescent antibody (ifa) test. these serum samples belonged to four different populations distributed throughout two provinces of galicia (ourense and pontevedra) located in northwestern spain: bovine population (456 samples); ovine population (389 samples); caprine population (207 samples); and equine population (46 serum samples, all from pontevedra). the seroprevalence against a. phagocytophilum within t ...200617114760
prevalence and preliminary genetic analysis of giardia isolated from adult sheep in galicia (northwest spain). 200617169049
seroprevalence of toxoplasma gondii and neospora caninum in wild and domestic ruminants sharing pastures in galicia (northwest spain).the prevalence of antibodies to the protozoan parasites toxoplasma gondii and neospora caninum were investigated by the direct agglutination test (dat) and celisa, respectively, in 160 roe deer (capreolus capreolus), 177 sheep and 178 cattle sharing pastures in galicia (northwest spain). the seroprevalence for t. gondii was 13.7% in roe deer, 57% in sheep and 7.3% in cattle. the seroprevalence for n. canimum was 6.8%, 10.1% and 24.1% in roe deer, sheep and cattle, respectively. statistically sig ...201019482324
tuberculosis due to mycobacterium bovis and mycobacterium caprae in sheep.tuberculosis was diagnosed in three flocks of sheep in galicia, spain, in 2009 and 2010. two flocks were infected with mycobacterium bovis and one flock was infected with mycobacterium caprae. infection was confirmed by the comparative intradermal tuberculin test, bacteriology, molecular analysis and histopathology. sheep have the potential to act as a reservoir for tuberculosis.201121703887
cryptosporidium spp. and giardia duodenalis in two areas of galicia (nw spain).the aim of the present study was to investigate the environmental dispersal of cryptosporidium spp. and giardia duodenalis in two distinct areas (coastal and inland) in galicia (nw spain). faecal samples were collected from healthy asymptomatic domestic (cows and sheep) and wild animals (deer and wild boars) in the selected areas. in each of the selected areas, samples of untreated water (influent) and of treated water (final effluent) were collected from each of the 12 drinking water treatments ...201121489605
efficacy of anthelminthic control programs against natural muellerius capillaris infection in sheep in the north-west of spain. effect on blood gases and ph in venous blood samples.the field efficacy of a single dose treatment against natural m. capillaris infection using different anthelmintic drugs, extensively employed in ovine parasite control programs in galicia (n.w. spain), and the effect of protostrongylid infection on ovine respiratory functions, were evaluated. five groups (n = 5) of ewes were used in this study; animals were treated with injectable ivermectin 10.2 mg/kg), levamisole (7.5 mg/kg) and albendazole (5 mg/kg) and monitored at 0, 7, 21, 42 and 63 days ...201020597445
genotype and subtype analysis of cryptosporidium isolates from calves and lambs in galicia (nw spain).faecal specimens from diarrhoeic pre-weaned calves (n=61) and lambs (n=127) collected over a 1-year period (2008-2009) at 27 cattle and 28 sheep farms in galicia (nw spain) were examined for the presence of cryptosporidium oocysts and positive specimens were selected for molecular examination. overall, 30 calves (49.2%) and 39 lambs (30.7%) tested positive for cryptosporidium by microscopy. pcr products of the ssu rrna locus were obtained for 27 cryptosporidium positive calf isolates and 23 lamb ...201020380767
occurrence of cryptosporidium parvum and giardia duodenalis in healthy adult domestic ruminants.to determine the prevalence and intensity of infection of cryptosporidium spp. and giardia duodenalis in healthy adult domestic ruminants, faecal samples were collected from 379 cattle of between 3 and 13 years old, 446 sheep and 116 goats selected at random from 60 dairy farms and 38 and 20 herds, respectively, in galicia (nw spain). cryptosporidium spp. oocysts were detected in 32 cows (8.4%), 24 sheep (5.3%) and in nine goats (7.7%) from, respectively, 48.3% of the farms and 34.2 and 30.0% of ...200717569991
prevalences of gastrointestinal parasites in sheep and parasite-control practices in nw spain.a coprological survey to know the presence of gastro-intestinal nematode parasites infecting sheep was done in galicia (nw spain), an area with atlantic climate where sheep production is replacing cattle due to the agricultural community politics of the european union. from september 2001 to november 2002, 1710 faecal samples were randomly collected from 49 sheep farms and examined by using the flotation technique to determine the prevalence of gastro-intestinal nematode parasites. the sheep-lev ...200616488032
prevalence of natural ovine fasciolosis shown by demonstrating the presence of serum circulating antigens.the prevalence of fasciolosis in sheep (galicia, northwest spain) kept under field conditions was determined by using a sandwich-enzyme-linked immunosorbent assay (selisa). serum fasciola hepatica circulating antigens were captured by means of a rabbit polyclonal igg antibody to f. hepatica excretory/secretory products. results were compared to those obtained by faecal sedimentation and an indirect elisa (ielisa) and excretory/secretory antigens. prevalences were 39.1% by selisa, 30.4% by faecal ...200314574565
development of neostrongylus linearis in cernuella (cernuella) virgata experimentally infected and maintained in the subhumid climate of galicia in northwest spain.twelve batches of the mollusc cernuella (cernuella) virgata (mollusca: helicidae) were deposited monthly directly on faeces containing first-stage larvae of neostrongylus linearis, so that they were naturally infected. every two weeks the molluscs were examined to study the larval development of n. linearis. no correlation was found between the number of first-stage larvae of n. linearis on the faeces and the number of total larvae and third-stage larvae which developed in the snails. however, a ...19979705678
survival of first-stage neostrongylus linearis larvae in ovine faeces under environmental conditions in galicia (north-west spain).a study was made on the survival of first larval stage of neostrongylus linearis, from november 1990 to october 1991, under natural conditions in an inland locality in galicia (north-west spain). the faeces were obtained from a sheep naturally infected with this nematode. once a month, faeces were placed on a 0.5 x 0.5 m plot, in natural conditions, until we had 12 deposits. samplings were done weekly until there was no more faecal matter in the plots. larval survival was determined using the ba ...19938494299
field evaluation for anthelmintic-resistant ovine gastrointestinal nematodes by in vitro and in vivo assays.a coprological survey to analyze the presence of flock resistance to benzimidazoles (bz) and macrocyclic lactones (ml) was performed in sheep under field conditions. fecal samples were collected from 2,625 sheep in 72 commercial farms from galicia (nw spain). the in vitro (fecrt, fecal egg count reduction test) and in vivo (eha, egg hatch assay, and lfia, larval feeding inhibition assay) tests were used to assess the efficacy of these anthelmintics. coprocultures were also developed to obtain kn ...200818576738
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