Cabiddu, Andrea and Decandia, Mauro and Molle, Giovanni and Pinna, G. and Addis, Margherita and Spada, Simona and Pirisi, Antonio and Piredda, Giovanni (2003) Effect of different pastures on CLA content in milk and sheep cheese. Italian Journal of Animal Science, Vol. 2 (Suppl. 1), p. 518-520. eISSN 1828-051X. Article.
It is known that milk composition included conjugated linoleic acid (CLA) is affected by animal feeding system (Cabiddu et al., 2001). In Sardinia dairy sheep feeding is mainly based on pastures. Most of them are characterised by self-regenerating species, like annual ryegrass (Lolium rigidum Gaudin) and burr medic (Medicago polymorpha L.). Non conventional species belonging to the Compositae family such as (Chrysanthemum coronarium L.) seem interesting for sheep feeding when other herbages decrease in quality (late spring- early summer). It was observed that C. coronarium establishes rapidly, can be grazed early in the growing season and persist where other pasture species may disappear; for these reasons it can be considered a valuable source of food. Moreover a preliminary study with dairy sheep fed fresh forage of C. coronarium showed relatively high levels of CLA in milk (Molle G. pers. com.) The aim of the present work was to study the influence of different pastures on milk composition, with particular reference to CLA and its precursors.
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