About: Effect of type traits on functional longevity of Czech Holstein cows estimated from a Cox proportional hazards model

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.vuzv.cz/sites/File/_privat/11082.pdf
Description	Phenotypic relationships between conformation traits and functional longevity in Holstein cows were evaluated using survival analysis. The data set consisted of 116 369 Holstein cows first calved from 2003 to 2008. Analyses were done separately for twenty linear descriptive type traits, 6 composite traits and height at sacrum measured in centimeters. The strongest relationship between a composite trait and functional longevity was for dairy form, followed by udder and final score. Among the descriptive type traits, the strongest relationships with longevity were for body condition score (BCS), angularity, traits related to udder attachment and udder depth. Foot and leg traits showed lower impact on functional longevity, and the effect of foot angle was minimal. Functional longevity declined with decreased BCS of cows. For dairy form and angularity, cows classified as very good were the worst with respect to longevity; while cows classified as poor had the best. Phenotypic relationships between conformation traits and functional longevity in Holstein cows were evaluated using survival analysis. The data set consisted of 116 369 Holstein cows first calved from 2003 to 2008. Analyses were done separately for twenty linear descriptive type traits, 6 composite traits and height at sacrum measured in centimeters. The strongest relationship between a composite trait and functional longevity was for dairy form, followed by udder and final score. Among the descriptive type traits, the strongest relationships with longevity were for body condition score (BCS), angularity, traits related to udder attachment and udder depth. Foot and leg traits showed lower impact on functional longevity, and the effect of foot angle was minimal. Functional longevity declined with decreased BCS of cows. For dairy form and angularity, cows classified as very good were the worst with respect to longevity; while cows classified as poor had the best. (en)
Title	Effect of type traits on functional longevity of Czech Holstein cows estimated from a Cox proportional hazards model Effect of type traits on functional longevity of Czech Holstein cows estimated from a Cox proportional hazards model (en)
skos:prefLabel	Effect of type traits on functional longevity of Czech Holstein cows estimated from a Cox proportional hazards model Effect of type traits on functional longevity of Czech Holstein cows estimated from a Cox proportional hazards model (en)
skos:notation	RIV/00027014:_____/11:#0001445!RIV12-MZE-00027014
http://linked.open...avai/predkladatel	Výzkumný ústav živočišné výroby, v.v.i.
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(QH71275)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Štípková, Miloslava Němcová, Eva Zavadilová, Ludmila
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Výzkumný ústav živočišné výroby, v.v.i.
http://linked.open...dnocenehoVysledku	196550
http://linked.open...ai/riv/idVysledku	RIV/00027014:_____/11:#0001445
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	type trait, longevity, survival analysis (en)
http://linked.open.../riv/klicoveSlovo	longevity survival analysis type trait
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[4B3D67A9904E]
http://linked.open...i/riv/nazevZdroje	Journal of Dairy Science
http://linked.open...in/vavai/riv/obor	GI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Investigation of factors influencing health and longevity of dairy cows
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	94
http://linked.open...iv/tvurceVysledku	Němcová, Eva Zavadilová, Ludmila Štípková, Miloslava
http://linked.open...ain/vavai/riv/wos	000293011700036
issn	0022-0302
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.3168/jds.2010-3684
is http://linked.open...avai/riv/vysledek of	Effect of type traits on functional longevity of Czech Holstein cows estimated from a Cox proportional hazards model Effect of type traits on functional longevity of Czech Holstein cows estimated from a Cox proportional hazards model

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