Abstract
The authors made their analysis based on the body measurements of 3080 Hungarian Sport Horse mares listed in the Hungarian Sport Horse Studbook. Height at withers by stick, height at withers by tape, heart girth and cannon-bone circumference were measured in Hungarian Sport Horse mare performance tests.Phenotypic correlations among height at the withers and heart girth and cannon-bone circumference varied within a range of 0.45-0.55. There was close genetic correlation (r=0.63-0.82) between the body measurement traits. Heritability values were moderate for height at withers by stick, height at withers by tape and heart girth (h2=0.31-0.49). There were high heritability values (h2=0.51) for cannon-bone circumference.There were low phenotypic correlations between frame (as conformational trait) and height at the withers (measured by tape and stick) and heart girth.
Highlights
There were low phenotypic correlations between frame and height at the withers and heart girth
The authors made their analysis based on the body measurements of 3080 Hungarian Sport Horse mares listed in the
cannon-bone circumference were measured in Hungarian Sport Horse mare performance tests
Summary
A szerzők vizsgálataikat a Magyar Sportló Méneskönyvben szereplő 3080 tenyészkanca testméreti adatai alapján végezték. A magyar sportló kancavizsgákon a bottal mért marmagasság, szalaggal mért marmagasság, övméret és szárkörméret adatait rögzítik. A marmagasság, valamint az övméret és a szárkörméretre között közepes fenotípusos korreláció (r=0,45-0,55) áll fenn. Minden vizsgált jellemző esetében szoros genetikai korrelációt (r=0,63-0,82) tapasztaltak. A bottal és szalaggal mért marmagasság, valamint az övméret esetében közepes (h2=0,310,49), a szárkörméretre (h2=0,51) vonatkozóan magas örökölhetőséget számítottak. A ráma-arány, mint küllemi bírálati szempont laza szignifikáns fenotípusos korrelációban van a bottal és szalaggal mért marmagassággal, valamint az övmérettel
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