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  • Hodnotili jsme příčiny rané mortality masných telat a její vztah k průběhu porodu. Nejčastější příčinou dystocie byly úzké porodní cesty, absolutně velký plod či slabé porodní bolesti. Průběh porodu vysvětlil 29.43% celkové proměnlivosti mortality při aplikaci metody glm (analýza binomiálního modelu s využitím logistické regrese), když víc než polovina mrtvě narozených pocházela z normálních otelení. Dalšími významnými efekty bylo pořadí otelení matky, stádo a rok narození a pohlaví telete. Efekt otce telete se na celkové proměnlivosti podílel 1.90%, což odpovídá heritabilitě vyjádřené hodnotou 7.80%. (cs)
  • We evaluated the causes of stillbirth in beef calves and its relation to calving course. The most frequent causes of abnormal calving were narrow pelvis, oversized foetus and uterine inertia. The course of calving explained 29.43% (glm, binomial model with logistic regression link) of stillbirth?s variability, when more than half of stillborn came from normal calving. Other important effects were parity of dam, herd and year of calving and sex of calf. The effect of sire explained 1.90% of variability, which corresponds with the value of heritability 7.80%.
  • We evaluated the causes of stillbirth in beef calves and its relation to calving course. The most frequent causes of abnormal calving were narrow pelvis, oversized foetus and uterine inertia. The course of calving explained 29.43% (glm, binomial model with logistic regression link) of stillbirth?s variability, when more than half of stillborn came from normal calving. Other important effects were parity of dam, herd and year of calving and sex of calf. The effect of sire explained 1.90% of variability, which corresponds with the value of heritability 7.80%. (en)
Title
  • Evaluation of stillbirth of beef calves
  • Evaluation of stillbirth of beef calves (en)
  • Hodnocení časné mortality telat masného skotu (cs)
skos:prefLabel
  • Evaluation of stillbirth of beef calves
  • Evaluation of stillbirth of beef calves (en)
  • Hodnocení časné mortality telat masného skotu (cs)
skos:notation
  • RIV/60076658:12220/08:00009944!RIV09-MZE-12220___
http://linked.open...avai/riv/aktivita
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  • P(QF3012)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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  • 366846
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  • RIV/60076658:12220/08:00009944
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  • calving performance; stillbirth; calf mortality; beef cattle breeding (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [10D63AB8E1B8]
http://linked.open...v/mistoKonaniAkce
  • České Budějovice
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  • České Budějovice
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  • XXIIIth Genetic Days
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Čítek, Jindřich
  • Řehout, Václav
  • Hradecká, Eva
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
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  • Scientific Pedagogical Publishing
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  • 80-85645-59-9
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  • 12220
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