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Feeding strategy of two rodent species in a set-aside field and its influence on alimentary tract morphometry
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SYSNO ASEP 0499266 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Feeding strategy of two rodent species in a set-aside field and its influence on alimentary tract morphometry Author(s) Heroldová, Marta (UBO-W) RID, ORCID
Jánová, E. (CZ)Number of authors 2 Source Title Mammalia. - : Walter de Gruyter - ISSN 0025-1461
Roč. 83, č. 1 (2019), s. 34-40Number of pages 7 s. Language eng - English Country FR - France Keywords vole Microtus arvalis ; small mammals ; common vole ; Apodemus sylvaticus ; food quality ; morphology ; populations ; diet ; diversity ; stands ; feeding strategy ; gastrointestinal tract morphometry ; pygmy-field mouse ; set-aside Subject RIV EG - Zoology OECD category Zoology Method of publishing Limited access Institutional support UBO-W - RVO:68081766 UT WOS 000453693000004 EID SCOPUS 85047218753 DOI 10.1515/mammalia-2017-0106 Annotation We examined the feeding strategy of two dominant rodents, the common vole (Microtus arvalis) and the pygmy field mouse (Apodemus uralensis), in set-aside fields over a period of 1 year. Diet analysis revealed dominance of green plant shoots in common vole's diet and seeds in the diet of the pygmy field mouse. Food availability in the set-aside fields was strongly correlated with the diet of the herbivorous common vole, but not with that of the granivorous pygmy-field mouse. Both feeding strategies reflect specific morphological adaptations of the digestive tract of both species. A comparison of the gastrointestinal tract (GIT, length and mass without oesophagus, including contents) of the common vole and pygmy field mouse revealed a correlation between body size and length and the GIT weight in both species. The common vole had a proportionally heavier GIT with a larger of the common vole and pygmy field mouse relative proportion of caecum. The GIT length was proportionally greater in juvenile females, while the GIT weight was greater in adult females of both species. The GIT morphometry of both species varied with season and reproductive status, presumably as food consumed altered in line with vegetation phenology and the rodent's energy requirements. Workplace Institute of Vertebrate Biology Contact Hana Slabáková, slabakova@ivb.cz, Tel.: 543 422 524 Year of Publishing 2020 Electronic address http://dx.doi.org/10.1515/mammalia-2017-0106
Number of the records: 1