Published in Scientific Papers. Series D. Animal Science, Vol. LXII, Issue 1
Written by Daniela JITARIU, Stela ZAMFIRESCU
The aim of the research was to evaluate the productive performance of Saanen goats by applying an optimizing modern food rations formula. The experiments were realized between 1.05-2015-2.11.2016 in 2 farms of Constanta County, Romania. Experiments were conducted on two groups of 30 females in full lactation with an average weight of 55 kg, breeding in anintensive system(Group I) and semi-intensive system (Group II). The experiment lasted 130 days; during this period the milk production was recorded and samples were taken monthly for analysis, in particular the concentration of fatty acids and food consumption. Milk samples were processed by gas chromatography.Between the two groups at the same time changes in fatty acids were recorded for significantly increasing concentrations of monounsaturated fatty acids (MUFA-28.94 g FAME / 100 g fat) and polyunsaturated fatty acids (PUFA-4.86 g FAME / 100 g), as well as an improvement of the Ω3: Ω6 ratio to the second group (20.66). In conclusion the breeding system, energetic and protein level of food ratio was influenced the milk production and the fatty acids composition
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