Obsah souboru
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<JournalPrintISSN>1214-021X</JournalPrintISSN>
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<JournalTitle>Journal of Applied Biomedicine</JournalTitle>
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<CoverDate Year="2010" Month="6" Day="1"/>
<CoverDisplay>Number 2 / June 2010</CoverDisplay>
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<IssueID>LR323T458627</IssueID>
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<ArticleDOI>10.2478/v10136-009-0011-y</ArticleDOI>
<ArticlePII>12P0W30362616667</ArticlePII>
<ArticleSequenceNumber>4</ArticleSequenceNumber>
<ArticleTitle Language="En">Circadian variations in biochemical markers of bone metabolism in horse of different age</ArticleTitle>
<ArticleFirstPage>73</ArticleFirstPage>
<ArticleLastPage>79</ArticleLastPage>
<ArticleHistory>
<RegistrationDate>20100524</RegistrationDate>
<ReceivedDate>20100524</ReceivedDate>
<Accepted>20100524</Accepted>
<OnlineDate>20100524</OnlineDate>
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<ArticleHeader>
<AuthorGroup>
<Author AffiliationID="A1">
<GivenName>Claudia</GivenName>
<Initials/>
<FamilyName>Giannetto</FamilyName>
<Degrees/>
<Roles/>
</Author>
<Author AffiliationID="A1">
<GivenName>Stefania</GivenName>
<Initials/>
<FamilyName>Casella</FamilyName>
<Degrees/>
<Roles/>
</Author>
<Author AffiliationID="A1">
<GivenName>Francesco</GivenName>
<Initials/>
<FamilyName>Fazio</FamilyName>
<Degrees/>
<Roles/>
</Author>
<Author AffiliationID="A1">
<GivenName>Vanessa</GivenName>
<Initials/>
<FamilyName>Messina</FamilyName>
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<Roles/>
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<Author AffiliationID="A1">
<GivenName>Giuseppe</GivenName>
<Initials/>
<FamilyName>Piccione</FamilyName>
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<Roles/>
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<Affiliation AFFID="A1">
<OrgDivision/>
<OrgName>Department of Experimental Sciences and Applied Biotechnology, Laboratory of Veterinary Chronophysiology, Faculty of Veterinary Medicine, University of Messina, Italy</OrgName>
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<Abstract Language="En">The author studied in thirty Thoroughbred horses the influence of age and gender on daily rhythms of serum osteocalcin (OC). The animals were divided into two groups. Group A: six male and six female 2 years old; Group B: six male, six female and six geldings 6 years old. They were housed individually in box-like stalls under natural photoperiod and environmental conditions. Blood samples were collected every 3 hours over a 48 hour period. Statistical differences of serum OC concentration due to different gender were observed in both Groups A and B. Daily rhythms of serum OC concentration were observed only in Group B, with nocturnal acrophase. In females the acrophase was statistically postponed for 1 hour compared to male and gelding. Male and female showed a more robust daily rhythm than the geldings. The results showed that blood sampling for determination of serum OC should be strictly standardized with regard to the time of the day.</Abstract>
<KeywordGroup Language="En">
<Keyword>circadian rhythms</Keyword>
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<KeywordGroup Language="En">
<Keyword>osteocalcin</Keyword>
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<KeywordGroup Language="En">
<Keyword>age</Keyword>
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<KeywordGroup Language="En">
<Keyword>gender</Keyword>
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<KeywordGroup Language="En">
<Keyword>horses</Keyword>
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