About: Factors influencing Dipylidium sp. infection in a free-ranging social carnivore, the spotted hyaena (Crocuta crocuta)()

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About: Factors influencing Dipylidium sp. infection in a free-ranging social carnivore, the spotted hyaena (Crocuta crocuta)() Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Factors influencing Dipylidium sp. infection in a free-ranging social carnivore, the spotted hyaena (Crocuta crocuta)()
Creator	Hofer, Heribert Benhaiem, Sarah Kurze, Christoph Wilhelm, Kerstin East, Marion
Source	Elsevier; Medline; PMC
abstract	We provide the first genetic sequence data for a Dipylidium species from a wild carnivore plus an analysis of the effects of ecological, demographic, physiological and behavioural factors on Dipylidium sp. infection prevalence in a social carnivore, the spotted hyaena (Crocuta crocuta), in the Serengeti National Park, Tanzania. Our sequence data from a mitochondrial gene fragment (1176 base pair long) had a similarity of between 99% and 89% to Dipylidium caninum. We determined infection prevalence in 146 faecal samples from 124 known animals in three social groups (termed clans) using molecular screening and Dipylidium proglottid presence. Our analysis revealed significantly higher infection prevalence in juveniles (55%) than adults (15.8%), indicating that predominantly juveniles maintained infection in clans. The likelihood of infection in juveniles significantly: (1) increased as the number of adults and older juveniles (>6 months) at communal dens increased, implying a positive relationship between this factor and the size of the intermediate host (probably a flea species) population at communal dens; (2) decreased as the number of younger juveniles (<6 months) increased, suggesting that the chance of susceptible juveniles ingesting infected fleas during self-grooming declined as the number of infected fleas per younger juvenile declined; and (3) decreased during periods of low prey abundance in clan territories when an increased reliance on long-distances foraging excursions reduces the number of clan members visiting communal dens, possibly resulting in a decline in flea populations at dens. Long-distance foraging also increases the intervals (in days) between nursing visits by lactating females to their offspring. Lengthy intervals between milk intake by infected juveniles may reduce adult Dipylidium fecundity and hence decrease infection prevalence in the den flea population. Our study provides useful insights into Dipylidium epidemiology in a social carnivore population subject to large fluctuations in prey abundance.
has issue date	2013-09-18(xsd:dateTime)
bibo:doi	10.1016/j.ijppaw.2013.09.003
bibo:pmid	24533344
has license	cc-by-nc-nd
sha1sum (hex)	c64c4f6efb9878bcc31980393c199d997805132a
schema:url	https://doi.org/10.1016/j.ijppaw.2013.09.003
resource representing a document's title	Factors influencing Dipylidium sp. infection in a free-ranging social carnivore, the spotted hyaena (Crocuta crocuta)()
has PubMed Central identifier	PMC3862517
has PubMed identifier	24533344
schema:publication	Int J Parasitol Parasites Wildl
resource representing a document's body	covid:c64c4f6efb9878bcc31980393c199d997805132a#body_text
is schema:about of	named entity 'LONG' named entity 'PHYSIOLOGICAL' named entity 'FLEA' named entity 'SOCIAL GROUPS' named entity 'INFECTION' named entity 'SEQUENCE DATA' named entity 'DECLINE' named entity 'INDICATING' named entity 'GENE FRAGMENT' named entity 'NURSING' named entity 'JUVENILE' named entity 'REDUCE' named entity 'ANALYSIS' named entity 'PERIODS' named entity 'DEN' named entity 'MEMBERS' named entity 'INCREASES' named entity 'KNOWN' named entity 'DIPYLIDIUM' named entity 'HIGHER' named entity 'NUMBER OF' named entity 'FEMALES' named entity 'JUVENILES' named entity 'RELIANCE' named entity 'faecal samples' named entity 'long' named entity 'Long-distance' named entity 'number' named entity 'prey' named entity 'ingesting' named entity 'animals' named entity 'population' named entity 'epidemiology' named entity 'den' named entity 'free-ranging' named entity 'LIKELIHOOD' named entity 'HYAENA' named entity 'SOCIAL' named entity 'DEMOGRAPHIC' named entity 'PROVIDE' named entity 'EPIDEMIOLOGY' named entity 'CROCUTA' named entity 'TANZANIA' named entity 'USING' named entity 'LARGE' named entity '2855' named entity 'INCREASED' named entity 'INSIGHTS' named entity 'INTERVALS' named entity '283' named entity 'SPOTTED' named entity 'FORAGING' named entity 'DECREASED' named entity 'POSSIBLY' named entity 'FREE' named entity 'CROCUTA' named entity 'HYAENA' named entity 'MITOCHONDRIAL GENE' named entity 'OUR' named entity 'PREY' named entity 'DISTANCE' named entity 'EFFECTS' named entity 'ADULT' named entity 'MONTHS' named entity 'DECREASE' named entity 'SUSCEPTIBLE' named entity 'DENS' named entity 'DETERMINED' named entity 'STUDY' named entity 'FACTOR' named entity 'INGESTING' named entity 'ECOLOGICAL' named entity 'RELATIONSHIP' named entity 'SIZE' named entity 'USEFUL' named entity 'SIMILARITY' named entity 'BASE PAIR'

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