The effect of feeding rumen-protected CLA to lactating dairy cows on fatty acid profile of milk fat

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

The effect of feeding rumen-protected CLA to lactating dairy cows on fatty acid profile of milk fat

Popis výsledku v původním jazyce

The experiment was carried out on 12 lactating dairy cows (lactation 1 to 5, 26 weeks of lactation). Cows were divided into 2 groups of 6 animals with similar milk yield. During the whole experiment cows were fed on a basal diet based on maize silage (30kg/d), lucerne hay (3 kg/d) and supplemental mixture (8 kg/d, all as fed basis). Control cows (C) received the basal diets while experimental animals (CLA) received the basal diet supplemented daily with 100.0 g/head of ruminally-protected CLA. As criteria of response intake of nutrients, milk yield and composition and fatty acid profile of milk fat were studied. The intake of nutrients was not affected by the treatment (P } 0.05). Milk yield was similar in both groups (P } 0.05) however yield of milkexpressed in 4% FCM or in ECM was higher in C than in CLA (P { 0.05). Content of milk components did not differ between groups (P } 0.05) but concentration of fat tended to be higher in C (3.83 g/100 g) than in CLA (3.41 g/100 g, P=0.0624

Název v anglickém jazyce

The effect of feeding rumen-protected CLA to lactating dairy cows on fatty acid profile of milk fat

Popis výsledku anglicky

The experiment was carried out on 12 lactating dairy cows (lactation 1 to 5, 26 weeks of lactation). Cows were divided into 2 groups of 6 animals with similar milk yield. During the whole experiment cows were fed on a basal diet based on maize silage (30kg/d), lucerne hay (3 kg/d) and supplemental mixture (8 kg/d, all as fed basis). Control cows (C) received the basal diets while experimental animals (CLA) received the basal diet supplemented daily with 100.0 g/head of ruminally-protected CLA. As criteria of response intake of nutrients, milk yield and composition and fatty acid profile of milk fat were studied. The intake of nutrients was not affected by the treatment (P } 0.05). Milk yield was similar in both groups (P } 0.05) however yield of milkexpressed in 4% FCM or in ECM was higher in C than in CLA (P { 0.05). Content of milk components did not differ between groups (P } 0.05) but concentration of fat tended to be higher in C (3.83 g/100 g) than in CLA (3.41 g/100 g, P=0.0624

Druh

D - Stať ve sborníku

CEP obor

GM - Potravinářství

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

International Animal Nutrition PhD Conference NutriNETZ 2012

ISBN

978-80-7375-667-3

ISSN

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e-ISSN

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Počet stran výsledku

10

Strana od-do

205-214

Název nakladatele

Mendelova zemědělská a lesnická univerzita v Brně

Místo vydání

Brno

Místo konání akce

Brno

Datum konání akce

21. 11. 2012

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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