Responses to condensed tannins of flowering sulla (Hedysarum coronarium L.) grazed by dairy sheep : Part 2: Effects on milk fatty acid profile

Responses to condensed tannins of flowering sulla (Hedysarum coronarium L.) grazed by dairy sheep : Part 2: Effects on milk fatty acid profile

A grazing experiment was undertaken to evaluate the effect of PEG supplementation on the fatty acid composition of milk from Sarda sheep grazing sulla. Twenty-four late-lactating sheep (12 per group), were paired and split into two groups: group control (CON), dosed daily with a quenching gun with 2...

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Veröffentlicht in:Livestock science 2009-08, Vol.123 (2-3), p.230-240
Hauptverfasser: Cabiddu, A, Molle, G, Decandia, M, Spada, S, Fiori, M, Piredda, G, Addis, M
Format: Artikel
Sprache:eng
Schlagworte:
animal performance
dairy animals
digestibility
ewe milk
ewes
fatty acid composition
feed intake
feeding behavior
flowering
Hedysarum coronarium
milk analysis
milk fat
proanthocyanidins
rotational grazing
ruminant nutrition
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Zusammenfassung:A grazing experiment was undertaken to evaluate the effect of PEG supplementation on the fatty acid composition of milk from Sarda sheep grazing sulla. Twenty-four late-lactating sheep (12 per group), were paired and split into two groups: group control (CON), dosed daily with a quenching gun with 200 ml of water, and group PEG, dosed with 200 ml of a 50/50 w/v water solution of PEG. The sheep grazed two 0.8 ha plots of sulla under a rotational grazing scheme. The contents of c-9, t-11 CLA and t-11 C18:1 in milk fat were on average 40% higher (P
ISSN:1871-1413
1878-0490
DOI:10.1016/j.livsci.2008.11.019