| [parasites of the gdr. 3. endoparasites of the hare (lepus europeus)]. | 96 hares from the eastern region of the dresden district were examined for endoparasites and the results compared with those of other authors from gdr and the neighbouring countries. out of the 27 endoparasites which up till now are recorded in the middle european region in gdr are found 6 coccidia-spp.: eimeria leporis, e. robertsoni, e. townsendi, e. semisculpta, e. europaea, e. hungarica and the helminths: fasciola hepatica, dicrocoelium dendriticum, cittotaenia denticulata, andrya rhopalocep ... | 1979 | 507443 |
| [experimental studies on the course and consequences of infection with graphidium strigosum (nematoda, trichostrongylidae) in oryctolagus cuniculus (domestic rabbit)]. | after oral infection of domesticated rabbits with 1,500 graphidium strigosum-larvae iii third-stage larvae were discovered in the stomach during the next 6 d, fourth-stage larvae from the 8th d and mature nematodes from the 34th d onwards. in 26 rabbits infected with 75...2,000 larvae iii the prepatent period of graphidium strigosum-infestation varied from 40 to 60, in most cases from 40 to 50 d. after one oral infection with 500...1,000 graphidium strigosum-larvae iii 3-month old domesticated r ... | 1986 | 3800049 |
| the incidence of helminth parasites from the wild rabbit oryctolagus cuniculus (l.) in eastern scotland. | samples of wild rabbits were collected each month over the six-year period 1977-82 and their intestines and abdomens examined for helminths. three species of nematode, four of cestode and one trematode were found. graphidium strigosum was recorded in 33% of the 786 rabbits, trichostrongylus retortaeformis in 79%, passalurus ambiguus in 14.2%, cittotaenia pectinata in 37%, c. denticulata in 11%, coenurus pisiformis in 3%, cysticercus serialis in 0.1% and fasciola hepatica in 0.1%. g. strigosum an ... | 1985 | 3989265 |
| [endoparasite infestation of the stomach and intestinal tract of feral rabbits from the leipzig region]. | investigations on the infestation with endoparasites in stomach and gut of feral rabbits from the region of leipzig. during the hunting periods in the years 1976 till 1979 the viscera of 122 wild rabbits shot in two different biotopes in the area of leipzig were examined for endoparasites. 63.11% harboured ctenotaenia ctenoides and cittotaenia denticulata and 8.19% cysticercus pisiformis. graphidium strigosum was demonstrated in 36.88%, trichostrongylus retortaeformis in 82.78%, passalurus ambig ... | 1984 | 6465615 |
| egg output of graphidium strigosum (nematoda ) in low-level prime infection of rabbits. | rabbits of moroccan local breed were infected with larvae of g. strigosum obtained from a wild strain (100 larvae/animal) which had undergone two different durations of storage at +4 degrees c. a long storage (10 months) induced the inhibition of the larval development at a low-rate. a shorter storage of 3 months permitted the development into adults: the prepatent period was 5 weeks and the patent period lasted over 21 weeks post infection. the egg output expressed in eggs per gram was negative ... | 1981 | 6895628 |
| wild rabbit host and some parasites show trophic-level relationships for delta 13c and delta 15n: a first report. | we report the first isotopic study of an animal host-parasite system. parasitic, intestinal nematodes, graphidium strigosum and passalurus ambiguus, were 15n-enriched relative to their host, the european rabbit oryctolagus cuniculus, while parasitic cestodes, cittataenia denticulata and mosgovoyia pectinata, were 15n-depleted, suggesting different trophic relationships. host embryos were more similar in their delta 13c and delta 15n values to maternal muscle than were any of the parasites. copro ... | 1998 | 9854844 |
| actin and major sperm protein in spermatozoa of a nematode, graphidium strigosum (strongylida: trichostrongylidae). | in most amoeboid cells, the main protein involved in motility is actin. nematode sperm are an exception, and their amoeboid motility is based on major sperm protein (msp). we have studied the localization of actin and msp in spermatids and spermatozoa of graphidium strigosum (dujardin, 1845), a species which has elongate male germ cells in which organelles are easily identified. electrophoreses of g. strigosum sperm proteins indicate that the main protein band, about 15 kda in molecular weight, ... | 1999 | 10353192 |
| influence of host weight, sex and reproductive status on helminth parasites of the wild rabbit, oryctolagus cuniculus, in navarra, spain. | a study was carried out in navarra (northern spain) on the influence of the weight, sex and reproductive status (lactant, pregnant or lactant + pregnant females and testicular weight for males) of the wild rabbit (oryctolagus cuniculus) on two cestodes species: andrya cuniculi and mosgovoyia ctenoides and four intestinal nematodes: graphidium strigosum, trichostrongylus retortaeformis, nematodiroides zembrae and dermatoxys hispaniensis. a significantly higher prevalence of a. cuniculi was detect ... | 1999 | 10526414 |
| helminth parasites of the wild rabbit oryctolagus cuniculus near malham tarn, yorkshire, uk. | between 1992 and 1996, 95 rabbits from the immediate locality of malham tarn, north yorkshire, uk were examined for the presence of helminth parasites. all the examinations took place in late september or october. three species of nematodes, graphidium strigosum, passalurus ambiguus and trichostrongylus retortaeformis and two species of cestodes, taenia pisiformis and cittotaenia pectinata were identified. there were no associations between helminth species richness and year of sampling, host we ... | 1999 | 10654397 |
| patterns of parasite aggregation in the wild european rabbit (oryctolagus cuniculus). | understanding the factors controlling the distribution of parasites within their host population is fundamental to the wider understanding of parasite epidemiology and ecology. to explore changes in parasite aggregation, taylor's power law was used to examine the distributions of five gut helminths of the wild rabbit. aggregation was found to be a dynamic process that varied with year, season, host sex, age class, and myxomatosis. yearly and seasonal changes are thought, in the main, to be the r ... | 2001 | 11595228 |
| helminths of the wild rabbit (oryctolagus cuniculus) in macaronesia. | two hundred and four rabbits from 8 macaronesian islands (pico, san jorge, san miguel, terceira, and flores from azores archipelago; tenerife and alegranza from canary islands; and madeira from madeira archipelago) were examined for helminth parasites between 1995 and 2000. three species of cestodes, taenia pisiformis (larvae), andrya cuniculi, and mosgovoyia ctenoides, and 5 species of nematodes, trichuris leporis, graphidium strigosum, trichostrongylus retortaeformis, passalurus ambiguus, and ... | 2003 | 14627142 |
| prevalence, intensity and aggregation of intestinal parasites in mountain hares and their potential impact on population dynamics. | mountain hare lepus timidus populations show unstable dynamics and since hares carry a significant helminth infection and host-parasite interactions are known to be destabilising, they have been proposed as a possible causal mechanism for the observed instability. we assessed the prevalence, intensity of infection and aggregation of the helminth parasites graphidium strigosum and trichostrongylus retortaeformis recovered from 589 mountain hares culled from 30 scottish sporting estates in 1999 an ... | 2005 | 15777913 |
| the helminth parasites of the wild rabbit oryctolagus cuniculus and their effect on host condition in dunas de mira, portugal. | the present study focuses on the helminth parasite community of the wild rabbit in a sand dune area in portugal over a 5-year period. the influence of host sex and year on the composition of the helminth community is assessed, along with the potential effect of the detected helminths on host body condition. the basic structure of the helminth community comprises mosgovoyia ctenoides, graphidium strigosum, trichostrongylus retortaeformis, nematodiroides zembrae and passalurus ambiguus. mean inten ... | 2007 | 17594739 |
| parasite co-infection and interaction as drivers of host heterogeneity. | we examined the hypothesis that the interaction between concomitant infecting parasites modifies host susceptibility, parasite intensity and the pattern of parasite distribution within the host population. we used a 26 year time series of three common parasites in a natural population of rabbits: two gastrointestinal nematodes (trichostrongylus retortaeformis and graphidium strigosum) and the immunosuppressive myxoma virus. the frequency distribution of nematodes in the host population and the r ... | 2008 | 17936286 |
| immunobiological characterization of graphidium strigosum experimental infection in rabbits (oryctolagus cuniculus). | an experimental infection of rabbits with a wild isolate of the gastric nematode graphidium strigosum was carried out. animals (3.5 months age) were infected with 1,000 l3 administered by bucoesophagic catheter (five rabbits) or kept as uninfected control group (five animals). the infection was maintained for 3 months. along the experimental period, some parasitological, hematological and immunological parameters were determined. prepatent period of the infection ranged from 30 to 38 days and, a ... | 2009 | 18830629 |
| [dynamics of endoparasite infections in rabbits at different rearing regimes]. | this study was intended to evaluate the occurrence and seasonality of infection of coccidian and helminth parasites, in three rabbit warrens differently managed. mothers stayed with their offspring on deep litter (farm a, 90 dams), in boxes cleaned weekly (farm b, 30 dams) or on slatted floor (farm c, 10 females), whereas all the young after weaning (1 to 5 months of age) were kept in cages with slatted floor. animals were fed a complete balanced pelleted feed (warrens a and b) or traditional fo ... | 2009 | 19670533 |
| development of graphidium strigosum (nematoda, haemonchidae) in its natural host, the rabbit (oryctolagus cuniculus) and comparison with several haemonchidae parasites of ruminants. | the morphogenesis (studied for the first time) and the chronology of the life cycle of graphidium strigosum (dujardin, 1845) were studied in detail in its natural host, oryctolagus cuniculus. naive rabbits were each infected per os with g. strigosum infective larvae (l3). animals were euthanized each day for the first 10 days after infection (dai), then every 2 days from 12 to 40 dai. the free living period lasted 5-8 days at 24°c. by 1 dai, all the larvae were exsheathed in the stomach. the thi ... | 2011 | 21210152 |
| explaining patterns of infection in free-living populations using laboratory immune experiments. | the host response to different helminth species can vary and have different consequences for helminth persistence. often these differences are generated by changes in the dynamics and intensity of the immune components against parasites with distinct life history strategies. we examined the immune response of rabbits to primary infections of the gastrointestinal nematodes trichostrongylus retortaeformis and graphidium strigosum under controlled conditions for 120 days post-challenge. results sho ... | 2011 | 21272036 |
| wild rabbit host and some parasites show trophic-level relationships for d(13)c and d(15)n: a first report. | abstract we report the first isotopic study of an animal host-parasite system. parasitic, intestinal nematodes, graphidium strigosum and passalurus ambiguus, were (15)n-enriched relative to their host, the european rabbit oryctolagus cuniculus, while parasitic cestodes, cittataenia denticulata and mosgovoyia pectinata, were (15)n-depleted, suggesting different trophic relationships. host embryos were more similar in their d(13)c and d(15)n values to maternal muscle than were any of the parasit ... | 1997 | 22087485 |
| snapshot of spatio-temporal cytokine responses to single and co-infections with helminths and bacteria. | cytokines play a key role in maintaining communication between organs and in so doing modulate the interaction between concurrent infections. the extent of these effects depends on the properties of the organ infected and the intensity and type of infections. to determine systemic bystander effects among organs, ifn-γ, il-4 and il-10 gene expression was quantified at 7 days post-challenge in directly infected and uninfected organs during single and co-infections with the respiratory bacterium bo ... | 2011 | 24371558 |
| immuno-epidemiology of chronic bacterial and helminth co-infections: observations from the field and evidence from the laboratory. | co-infections can alter the host immune responses and modify the intensity and dynamics of concurrent parasitic species. the extent of this effect depends on the properties of the system and the mechanisms of host-parasite and parasite-parasite interactions. we examined the immuno-epidemiology of a chronic co-infection to reveal the immune mediated relationships between two parasites colonising independent organs, and the within-host molecular processes influencing the dynamics of infection at t ... | 2012 | 22584129 |
| the alice - "follow the white rabbit" - parasites of farm rabbits based on coproscopy. | the aim of the study, conducted in the years 2011-2013, was to determine the level of gastrointestinal parasites infection in new zealand white rabbits, kept at the experimental station of the university of agriculture in krakow. the study showed rabbits protozoan infection with the genus eimeria, belonging - based on the sporulation method - to the following species: e. magna, e. media, e. perforans, e. stiedae and e. irresidua. the highest prevalence of infection, as well as the intensity of o ... | 2015 | 26878623 |
| parasitic fauna of domestic cavies in the western highlands of cameroon (central africa). | domestic cavies (cavia porcellus) are increasingly reared in rural areas of cameroon for meat and income generation. unfortunately, health constraints due to various pathogens including parasites stand as one of the major obstacles to the development of cavy industry in the country. the main objective of this study was to investigate the species of gastrointestinal parasites in cavy husbandry in the western highlands of cameroon and to detect external parasites in those animals affected with der ... | 2015 | 26612729 |
| infections do not predict shedding in co-infections with two helminths from a natural system. | given the health and economic burden associated with the widespread occurrence of co-infections in humans and agricultural animals, understanding how coinfections contribute to host heterogeneity to infection and transmission is critical if we are to assess risk of infection based on host characteristics. here, we examine whether host heterogeneity to infection leads to similar heterogeneity in transmission in a population of rabbits single and co-infected with two helminths and monitored monthl ... | 2014 | 25039232 |
| social environment and weather during early life influence gastro-intestinal parasite loads in a group-living mammal. | conditions experienced during early life have been frequently shown to exert long-term consequences on an animal's fitness. in mammals and birds, the time around and shortly after weaning is one of the crucial periods early in life. however, little is known about how social and abiotic environmental conditions experienced around this time affect fitness-related traits such as endoparasite loads. we studied consequences of social interactions and rainy weather conditions around and after weaning ... | 2014 | 25004871 |
| does host immunity influence helminth egg hatchability in the environment? | transmission success for helminths with free-living stages depends on the ability of eggs and larvae to develop and survive once in the environment. while environmental conditions are often suggested to influence egg phenology and hatching rate, immunity against parasite eggs might also play a role. we examined this hypothesis using the gastrointestinal helminths trichostrongylus retortaeformis and graphidium strigosum, two common infections of the european rabbit. changes in egg hatching rate a ... | 2015 | 24780158 |
| occurrence of gastrointestinal parasites in slaughter rabbits. | the aim of the study was to determine the occurrence of gastrointestinal parasites in slaughter rabbits managed in small scale farms and under industrial farming system. the research material included intestines and livers of rabbits slaughtered between years 2007 and 2011. the rabbit carcasses submitted to parasitological examination had passed the sanitary veterinary inspection as fit for human consumption. the samples were collected in spring and autumn seasons. the studies showed no effect o ... | 2014 | 24100606 |
| parasites of wild rabbits (oryctolagus cuniculus) from an urban area in germany, in relation to worldwide results. | the european rabbit (oryctolagus cuniculus) belongs to the most invasive and successful mammalian species, which is distributed nearly worldwide. in europe, they inhabit broad parts of the mainland and subsequently reached several european islands via anthropogenic diversion. rabbits can also serve as hosts for numerous parasite species. the parasite and pathogen fauna of o. cuniculus have been well documented in various european countries, although studies in germany are scarce. until now, a co ... | 2013 | 24096608 |
| a co-infection with two gastrointestinal nematodes alters host immune responses and only partially parasite dynamics. | given their global distribution and abilities to persist in the host, helminths can play a crucial role in affecting risk of infections by increasing individual variation in infection. helminth co-infections are of particular interest because by altering host immune responses, they can modify host susceptibility and thus intensity and transmission of other parasites/pathogens. the dynamics of co-infection were examined using two helminths of the european rabbit. individuals were simultaneously c ... | 2013 | 23790075 |
| climate changes influence free-living stages of soil-transmitted parasites of european rabbits. | climate warming has been suggested to augment the risk of infectious disease outbreaks by extending the seasonal window for parasite growth and by increasing the rate of transmission. understanding how this occurs in parasite-host systems is important for appreciating long-term and seasonal changes in host exposure to infection and to reduce species extinction caused by diseases. we investigated how free-living stages of two soil-transmitted helminths of the european rabbit (oryctolagus cuniculu ... | 2013 | 23504881 |