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Quality of goat pasture in less-favoured areas (LFA) of the Czech Republic and its effect on fatty acid content of goat milk and cheese

Bohuslav Čermák
Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic
Abstract :
The aim of the study was to assess the quality of pastures located in less-favoured areas (LFA) of
Czech Republic, to evaluate the influence of that quality on the content of fatty acids of milk in
grazing goats and in farm natural cheese made of their milk. Samples of forage were collected in
2008 and 2009, on 5 July, 9 August, 6 September and 4 October. Goat milk samples were taken on
the same days of both years and additionally on May 31. The highest content of protein and fat of
the forage dry matter and, consequently, the highest feeding value of pasture were found in July and
October. It was associated with a high content of clovers and herbs in the available herbage. During
grazing the content of saturated fatty acids (SFA) of goat milk fat continuously decreased while the
trend for the content of monounsaturated fatty acids (MUFA) was opposite. A significant increase
in herb of the total crop observed in autumn contributed to a highest content of polyunsaturated
fatty acids (PUFA) in fat of goat milk. The fatty acid profile of goat cheese was related to that of the
milk. Thus, a high content of PUFA, including CLA, observed in milk of grazing goats guarantees
that the cheese made of that milk fulfills the requirements for functional foods.
Keywords :
goat / milk fatty acids / cheese / pasture quality / less-favoured areas

Date Deposited : 02 Apr 2015 10:18

Last Modified : 02 Apr 2015 10:18

Official URL: http://www.ighz.edu.pl/?p0=5&p1=34

Volume 31, Number 4, - 2013

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