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[comparative study on morphology and development of two species of raillietina from chicken].to compare the morphological features and the development of raillietina echinobothrida and r. tetragonal from chicken.200919852366
prevalence of parasites and associated risk factors in domestic pigeons (columba livia domestica) and free-range backyard chickens of sistan region, east of iran.this study was carried out on free-range backyard chickens and domestic pigeons (columba livia domestica) from december 2010 to november 2011 to determine the prevalence, intensity and species of internal and external parasites in sistan region, east of iran. of the total of 59 (27 males and 32 females) free-range backyard chickens and 46 (26 males and 20 females) domestic pigeons inspected, 55 (93.22 %) and 39 (84.78 %) were infected respectively. ten species of free-range backyard chickens par ...201224082532
molecular characterization of the indian poultry nodular tapeworm, raillietina echinobothrida (cestoda: cyclophyllidea: davaineidae) based on rdna internal transcribed spacer 2 region.the nodular tapeworm, raillietina echinobothrida is a well studied avian gastrointestinal parasite of family davaineidae (cestoda: cyclophyllidea). it is reported to be the largest in size and second most prevalent species infecting chicken in north-east india. in the present study, morphometrical methods coupled with the molecular analysis of the second internal transcribed spacer (its2) region of ribosomal dna were employed for precise identification of the parasite. the annotated its2 region ...201424505172
gastrointestinal helminths are highly prevalent in scavenging chickens of selected districts of eastern shewa zone, ethiopia.a cross-sectional survey on gastrointestinal helminths was conducted on 124 chickens raised under traditional management system in two selected districts namely ada'a and adamitulu of eastern shewa zone, ethiopia. of these chickens, 111 (89.5%) were found to harbor one of the five different helminth parasites and 13 (10.48%) were free of helminths parasites. the study also found that 103 (83.0%) and 72 (58.0%) of the examined chickens were invariably infected by diverse species of cestodes and n ...201224175425
seasonal prevalence of gastrointestinal parasites in desi fowl (gallus gallus domesticus) in and around gannavaram, andhra pradesh.a study was carried out to know the prevalence of gastrointestinal parasites in desi fowl in and nearby villages of gannavaram, andhra pradesh for a period of 1 year. screening of 492 samples comprising faecal samples and gastrointestinal tracts from freshly slaughtered desi birds at local poultry shops and samples from post mortem examinations at ntr college of veterinary science, gannavaram revealed 63.21 % of gastrointestinal parasites. faecal samples were examined by floatation technique usi ...201627605762
prevalence of gastro-intestinal parasites of backyard chickens (gallus domesticus) in and around shimoga.the present study was conducted for 1 year from march 2010 to february 2011 to identify gastro-intestinal parasites of backyard chickens and to estimate its prevalence in and around shimoga, a malnad region of karnataka. a total of 250 gastro-intestinal tracts were collected from backyard chickens for the detection of gastrointestinal parasites. among the 250 birds screened, 183 (73.2 %) were found positive for gastrointestinal parasites by gross examination of gastrointestinal tract. out of 183 ...201627605824
occurrence and hat-rapd analysis of gastrointestinal helminths in domestic chickens (gallus gallus domesticus) in phayao province, northern thailand.the present study determined the prevalence and distribution of gastrointestinal helminths in domestic chickens (gallus gallus domesticus) between november 2012 and august 2013. one hundred and twenty domestic chickens were purchased from villages in four districts of phayao province; mae chai, dok khamtai, chun and chiang kham. morphological differences were used to identify the helminth species, and hat-rapd technique was used to differentiate among closely related species. the results reveale ...201728053568
prevalence and impact of gastrointestinal helminths on body weight gain in backyard chickens in subtropical and humid zone of jammu, india.necropsy of gastrointestinal tract of 125 free-range chickens from a subtropical and humid zone of northwestern india revealed four nematode spp. (ascaridia galli, heterakis gallinarum, capillaria spp. and cheilospirura hamulosa) and four cestode spp. (raillietina cesticillus, raillietina echinobothrida, raillietina tetragona and amoebotaenia cuneata) the overall prevalence of the helminth parasites was 72.0%. amongst various helminth species encountered in the region, a. galli emerged out as th ...201223543701
in vitro effects of albendazole on raillietina echinobothrida, the cestode of chicken, gallus domesticus.albendazole, a member of benzimidazole group of compounds, has been shown to have a broad spectrum activity against all classes of helminth parasites. although it has also been experimentally proven to be effective against cestode infection of poultry, the actual effects of the drug are not yet described. the present in vitro study demonstrated that the commercial prescription drug zentel® was significantly effective against adult raillietina echinobothrida mégnin, the major cestode parasite of ...201021264097
a survey of ectoparasites, cestodes and management of free-range indigenous chickens in rural zimbabwe.a survey of ectoparasites, cestodes and husbandry aspects of indigenous free-range chickens was carried out in selected districts from the highveld and lowveld of rural zimbabwe. the survey recorded infection with 4 species from the order phthiraptera (lice), 1 species from the order siphonaptera (fleas), 6 species from the order acarina (ticks and mites) and 9 species of cestodes. among the ectoparasites, the most prevalent was menacanthus stramineus (87.7%) followed by echidinophaga gallinacea ...200920169754
prevalence of parasites of the local scavenging chickens in a selected semi-arid zone of eastern kenya.a study to identify and estimate the prevalence of parasites of local chickens in a semi arid area of kenya was conducted between march 2005 and august 2006. three hundred and sixty (360) local chickens purchased from yathui division of machakos were examined. of those, 93.3% had helminths. nematodes were recovered in 268 (74.4%) chickens whereas 245 (68.1%) had cestodes. tetrameres americana (37.7%), ascaridia galli (33.3%) and heterakis gallinarum (22.8%) were the most important nematode speci ...200818422252
prevalence and burden of gastrointestinal helminthes among local chickens, in northern jordan.we conducted a cross-sectional study from december 2004 to february 2005 and from june 2005 to august 2005. the study aimed to determine the prevalence of gastrointestinal and tracheal helminthes among local chickens in northern jordan. a total of 208 male and female local scavenging chickens were selected randomly. we examined the trachea and gastrointestinal tract of each bird for the presence of helminthes. we recovered three nematode and eight cestode species. no trematodes were found. one h ...200818329115
gastrointestinal helminths in indigenous and exotic chickens in vietnam: association of the intensity of infection with the major histocompatibility complex.this study compared the prevalence and intensity of infections of helminths in 2 chicken breeds in vietnam, the indigenous ri and the exotic luong phuong. also, possible correlations with the major histocompatibility complex (mhc) were tested. the most prevalent helminths were ascaridia galli, heterakis beramporia, tetrameres mothedai, capillaria obsignata, raillietina echinobothrida and raillietina tetragona. differences in prevalence and intensity of infection were found between the 2 breeds. ...200717166322
distribution of gastrointestinal helminths in chicken farms in the gharb region--morocco.gastrointestinal tracts of 300 chickens from three villages of the gharb region, morocco, were examined for adult helminths during 2002-2005. helminth species found were: notocotylus gallinarum (prevalence 0.7%), hymenolepis carioca (3.7%), raillietina echinobothrida (5.7%), hymenolepis contaniana (7%), raillietina tretragona (9.3%), raillietina cesticillus (12%), capillaria obsignata (6%), subulura brumpti (15.3%), heterakis gallinarum (10%), cheilospirura hamulosa (2.7%), dispharynx nasuta (5. ...200616541258
ecto-, endo- and haemoparasites in free-range chickens in the goromonzi district in zimbabwe.a cross-sectional study determined the prevalence of ecto-, endo- and haemoparasites in free-range chickens from the goromonzi district, zimbabwe. fifty young and 50 adult birds were selected randomly. all chickens harboured ecto- and endoparasites, and 32% were infected with haemoparasites. eight different ectoparasites were identified; the more prevalent ones had the following prevalences (young, %; adult, %): argas persicus (6; 14), cnemidocoptes mutans (6; 32), echidnophaga gallinacea (72; 7 ...200212114010
morphology and molecular phylogeny of raillietina spp. (cestoda: cyclophyllidea: davaineidae) from domestic chickens in thailand.raillietina species are prevalent in domestic chickens (gallus gallus domesticus) in phayao province, northern thailand. their infection may cause disease and death, which affects the public health and economic situation in chicken farms. the identification of raillietina has been based on morphology and molecular analysis. in this study, morphological observations using light (lm) and scanning electron microscopies (sem) coupled with molecular analysis of the internal transcribed spacer 2 (its2 ...201628095663
tapeworms of rock dove and domestic chicken in taif area, saudi arabia.the present study aimed to identify the tapeworms that parasitize the rock dove columba livia palastinae and domestic chicken gallus gallus domesticus in taif governorate, saudi arabia. a total of 115 rock doves and 105 domestic chicken have been examined. birds were brought in from the wells and farms inside and outside the city of taif. in rock doves, the percentage of infection was recorded as cotugnia digonopora 5.21%, hymenolepis carioca 10.43%, raillietina echinobothrida 27.82%, raillietin ...201223469626
cross-sectional survey on helminth infections of chickens in the samsun region, turkey.a cross-sectional survey was performed to determine the prevalence and intensity of helminth infections in 185 chickens from nine districts in the samsun region, northern turkey between july 1999 and june 2000. in total, 88% of 83 scavenging chickens and 4% of 52 layers from laying batteries were infected, but none of the 50 broilers harboured helminths in the alimentary tract or trachea. the difference in prevalence was statistically significant among broilers, layers from laying batteries and ...200818605376
a cross-sectional study of helminths in rural scavenging poultry in tanzania in relation to season and climate.a cross-sectional study on the prevalence of helminths in rural scavenging poultry on six hundred adult chickens selected randomly from six villages in the morogoro region, tanzania during the wet and the dry seasons, was conducted. the trachea and gastrointestinal tract of each bird were examined for the presence of parasites. all chickens were infected with one or several species of helminths, the average being 4.8 +/- 1.7 helminths per chicken during the wet season and 5.1 +/- 1.8 during the ...19979271471
study of gastro-intestinal helminths of scavenging chickens in four rural districts of amhara region, ethiopia.a total of 267 rural scavenging chickens were examined from october 1998 to august 1999 in four woredas (districts) of the amhara region, ethiopia. of these chickens, 243 (91.01%) were found to harbour one to nine different helminth parasites and 24 (8.99%) were free of helminth parasites. a significant difference (p < 0.01) was found between the prevalence rates of helminth parasites in the different agro-ecological zones; the highest prevalence was observed in the lowland areas. this suggests ...200111732422
biological significance of phosphoenolpyruvate carboxykinase in a cestode parasite, raillietina echinobothrida and effect of phytoestrogens on the enzyme from the parasite and its host, gallus domesticus.phosphoenolpyruvate carboxykinase (pepck) is involved in glycolysis in the cestode parasite, raillietina echinobothrida; whereas, it executes a gluconeogenic role in its host, gallus domesticus. because of its differing primary function in the cestode parasite and its host, this enzyme is regarded as a plausible anthelmintic target. hence, the biological significance of pepck in the parasite was analysed using sirna against pepck from r. echinobothrida (repepck). in order to find out the functio ...201728485262
purification and characterization of phosphoenolpyruvate carboxykinase from raillietina echinobothrida, a cestode parasite of the domestic fowl.phosphoenolpyruvate carboxykinase (pepck, ec 4.1.1.32) is an essential regulatory enzyme of glycolysis in helminths in contrast to its role in gluconeogenesis in their host. previously we have reported that phytochemicals from flemingia vestita (family: fabaceae), genistein in particular, have vermifugal action and are known to affect carbohydrate metabolism in the cestode, raillietina echinobothrida. in order to determine the functional differences of pepck from the parasite and its avian host ...201322906884
[lipids of raillietina tetragona and raillietina echinobothrida cestodes from the intestines of hens].lipids of the cestodes r. tetragona and r. echinobothrida, parasites of chickens, were studied by thin-layer and gas-liquid chromatography methods. the quantity of neutral lipids amounts to 74.4% in r. tetragona and to 73.1% in r. echinobothrida. triglycerides amount to 35.6% and 38.4% of the neutral lipids in these species, sterols to 21.6% and 17.2%, sterol esters to 25.1% and 32.0%, diglycerides to 2.8% and 1.4% and free fatty acids to 7.8% and 6.5%, respectively. fatty acids content of worms ...19817198767
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