About: Effect of dietary rumen-protected choline on milk production of dairy cows: A meta-analysis

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Research studies presented inconsistent results on the effects and action of choline in dairy cow diets. A meta-analysis was conducted to quantify the effects of dietary rumen-protected choline on production characteristics of dairy cows. Dry matter intake (kg/d), milk yield (kg/d), milk fat (% and kg/d) and milk protein (% and kg/d) were evaluated as dependent variables in models. The number of treatment means varied from 20 obtained in 7 studies for milk fat and protein contents, to 34 from 11 studies (12 experiments) for milk yield. With accounting for experiment as a random effect, DMI, milk yield, milk protein content and milk protein yield could adequately be related to levels of dietary rumen-protected choline chloride by a logistic model. Marginal responses in milk yield decreased from 131.5 to 0.037 g of milk per gram of dietary rumen-protected choline chloride when supplementation increased from 6 to 50 g per day. Research studies presented inconsistent results on the effects and action of choline in dairy cow diets. A meta-analysis was conducted to quantify the effects of dietary rumen-protected choline on production characteristics of dairy cows. Dry matter intake (kg/d), milk yield (kg/d), milk fat (% and kg/d) and milk protein (% and kg/d) were evaluated as dependent variables in models. The number of treatment means varied from 20 obtained in 7 studies for milk fat and protein contents, to 34 from 11 studies (12 experiments) for milk yield. With accounting for experiment as a random effect, DMI, milk yield, milk protein content and milk protein yield could adequately be related to levels of dietary rumen-protected choline chloride by a logistic model. Marginal responses in milk yield decreased from 131.5 to 0.037 g of milk per gram of dietary rumen-protected choline chloride when supplementation increased from 6 to 50 g per day. (en)
Title	Effect of dietary rumen-protected choline on milk production of dairy cows: A meta-analysis Effect of dietary rumen-protected choline on milk production of dairy cows: A meta-analysis (en)
skos:prefLabel	Effect of dietary rumen-protected choline on milk production of dairy cows: A meta-analysis Effect of dietary rumen-protected choline on milk production of dairy cows: A meta-analysis (en)
skos:notation	RIV/00027014:_____/10:#0001220!RIV11-MZE-00027014
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MZE0002701404)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Sales, James Koukolová, Veronika Homolka, Petr
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	255934
http://linked.open...ai/riv/idVysledku	RIV/00027014:_____/10:#0001220
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	rumen-protected choline, milk production, milk composition, meta-analysis (en)
http://linked.open.../riv/klicoveSlovo	rumen-protected choline meta-analysis milk composition milk production
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[D32C372A543E]
http://linked.open...i/riv/nazevZdroje	Journal of Dairy Science
http://linked.open...in/vavai/riv/obor	GH
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	93
http://linked.open...iv/tvurceVysledku	Homolka, Petr Koukolová, Veronika Sales, James 6407307456
http://linked.open...ain/vavai/riv/wos	000280203400040
http://linked.open...n/vavai/riv/zamer	Udržitelný rozvoj chovu hospodářských zvířat v evropském modelu multifunkčního zemědělství
issn	0022-0302
number of pages	9 (xsd:int)

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