serological and bacteriological study of brucellosis in camels in central saudi arabia.sera from 2,630 apparently normal adult camels (camelus dromedarius) raised in central saudi arabia (riyadh and al-kharj cities) were examined serologically by the rose bengal and standard united states of america brucella plate agglutination tests. the overall seroprevalence of brucellosis in the restricted populations of tested camels was 8%. the seroprevalence of brucellosis among camels raised in small numbers in the backyards of 24 houses in riyadh and those intensively raised on one large ...19921472730
studies on the incidence and pathogenesis of dicrocoelium dendriticum in slaughtered sheep in riyadh abattoir, saudi arabia.the incidence of dicrocoelium dendriticum in slaughtered sheep both local and imported was carried out in al riyadh abattoir. a percentage of 28 was found among condemned livers. the highest rate of dicrocoelium infection was among naheemi sheep imported from turkey. recommendations to control this parasitic disease are necessary since it is a modern dangerous zoonotic parasite.19938482874
detection of genital colonization of group b streptococci during late detect group b streptococcal carrier state of saudi females during 3rd trimester of pregnancy and to assess type of specimens and the techniques used for the organism detection.200211938365
myiasis in sheep farms in riyadh region, saudi arabia.during a survey for myiasis in riyadh region, 3712 sheep were examined. 73 animals (2%) were infested with different dipterous larvae. out of the 115 larvae recovered, 100 larvae (87%) were chrysomya bezziana, 10 (8.7%) were c. albiceps, and 5 (4.3%) were wohlfahrtia nuba. the prevalence rate of larval myiasis among young sheep was 60%, and 40% among adults. the myiasis incidences were highest during mar-may (60%) and sept-nov (31.5%) where temperature and r.h. are optimum. in the dry hot season ...200415125523
microscopic study on sarcocystis moulei from sheep and goats in saudi arabia.the present investigation revealed that the role of natural infection with sarcocystis in sheep was 84% in niemy, 76% in najdy, 89% in sawakny sheep and 77% in goats slaughtered in riyadh, saudi arabia. the distribution of infection among the examined organs was varied from the sheep strain to goats. recorded muscle cysts were macroscopic 8-18% (mean 13.5%) and microscopic 73-85% (mean 79%). macroscopic cysts were usually detected on the oesophagus. em showed an ultrastructural similarities in t ...200515881014
fascioliasis among local and imported sheep in saudi arabia: parasitological and serological diagnosis.eight-hundred-twelve local and imported sheep, slaughtered at riyadh abattoir, were subjected for parasitological diagnosis of fascioliasis by detection of eggs in the stool and worms in the liver and for serological diagnosis by detection of circulating anti-fasciola igg (cafigg) and circulating fasciola antigens (cfags) using the indirect elisa and the double antibody sandwich elisa respectively. detection of eggs revealed 13.5% infection rate compared with 21.9% by detection of worms (p<0.001 ...200516363289
prevalence of cestode parasites in sheep slaughtered in riyadh city, saudi arabia.prevalence of tapeworm infections among sheep slaughtered in riyadh city were studied from february 2007 to march 2008. a total of 76 out of 3300 sheep were infected with adult cestodes (2.3%). the highest infection rate was in autumn (8.1%), and the lowest one was in summer (1.7%). the cestodes were identified as moniezia expansa (96.3%) and m. deuticulata (3.7%). concerning seasonal dynamics of the worms, the highest number was recorded in october and november (13.5 & 8.3%), while the lowest o ...200819143137
human infection with dicrocoelium dendriticum in riyadh district (saudi arabia).dicrocoelium dendriticum (the lancet fluke) is less common liver parasite. adults inhibit bile duct, while characteristic eggs pass in stools. during one academic year, a total of 1196 patients referred to parasitology laboratory from king abdel aziz university hospitals, 121 patients were positive for d. dendriticum. the majority was saudis, and only 32 of the 121 patients (26.4%) had true dicrocoeliosis, as detected by re-examination after three days of liver free diet. the other patients have ...200312739807
seasonal infestation of oestrus ovis larvae in sheep heads in central region of saudi arabia.during a period of 12 months, 544 sheep heads were examined for infestation with oestrus ovis larvae in riyadh abattoir, central region of saudi arabia. the tested animals were males, less than one year old. the prevalence of infestation was 5.9%. the peak of infestation reached 23.3% in march 2000. the highest mean number of larva per infested sheep head in first, second and third instars larvae were 5, 7, and 5.3 respectively in spring months. a total for all instars being 4.3 larva per sheep ...200011198387
saprophytic and keratinolytic fungi associated with animals hair from riyadh, saudi samples from different animals collected from different sites in riyadh, saudi arabia were examined for the presence of saprophytic and keratinolytic fungi. fifty-one specimens were examined of which 19 were from rabbits, 13 from sheeps, 12 from camels and 7 from horses. forty-eight species and one variety which belong to 24 genera were collected during this investigation. the most common genera were aspergillus and chrysosporium. in low frequency, members of the genera thermoascus, scopula ...19911882596
risk factors in transmission of brucellosis from animals to humans in saudi arabia.a case-control study was undertaken to determine for the first time the specific aetiology of animal to human transmission of brucellosis in saudi arabia. cases consisted of all patients with brucellosis attending the primary care clinic of the riyadh al-kharj hospital programme in central saudi arabia. a sample of individually matched controls was selected concurrently from patients attending the same clinic for unrelated problems. cases and controls responded to a 48 item questionnaire on expo ...19921440791
"outbreak" of hand injuries during hajj festivities in saudi arabia.pediatric hand surgeons in europe and north america are aware of the yearly "outbreak" of pediatric hand injuries on halloween from carving pumpkins. this study reports another yearly "outbreak" of hand injuries--in saudi arabia from slaughtering sheep. during the 3 days of festivities following the hajj ceremony, hundreds of thousands of sheep are slaughtered. over 4 consecutive years, 298 patients attended the emergency room of riyadh central hospital with injuries related to the slaughtering ...199910454321
the ionic content of parasitic cysts in man, camel and sheep in riyadh, saudi arabia. 19883373064
thermophilic and thermotolerant fungi of animals' hair.nine thermophilic genera and 17 species in addition to one variety of aspergillus flavus, malbranchea pulchella and humicola grisea were collected from hair samples in riyadh, saudi arabia at 45 degrees c. fifty-one hair specimens of rabbit, sheep, camel and horse were examined for the presence of thermophilic fungi. the most frequent species were aspergillus fumigatus, aspergillus niger, thermoascus aurantiacus and malbranchea pulchella var. sulfurea. in low frequency, aspergillus flavus, asper ...19911805498
sarcocystis arieticanis (apicomplexa: sarcocystidae) infecting the heart muscles of the domestic sheep, ovis aries (artiodactyla: bovidae), from k. s. a. on the basis of light and electron microscopic the present study, the heteroxenous life cycle of sarcocystis species from three strains of the slaughtered sheep at al-azizia and al-saada abattoirs in riyadh city, k.s.a., was studied. muscle samples of the oesophagus, diaphragm, tongue, skeletal and heart muscles were examined. varied natural infection rates in the muscles of the examined sheep strains were recorded as 83% in niemy, 81.5% in najdy and 90% in sawakny sheep. muscles of the diaphragm showed the highest infection level above a ...201425112213
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