Effects of dietary n-3 polyunsaturated fatty acids and ... - FINS

1 st WorkshopXIII International Feed Technology SymposiumMATERIAL AND METHODSTrial was carried out on 200 one day old male chickens of 4-line hybrid Peterson,divided into the two groups. First, control group, of chickens was fed mixture withoutadditive, and the second, trial group, received in the same mixture addition of 300 g/tonsof food of Citrus Fennel aroma, produced in the production facility of the company IreksAroma, Zagreb, Croatia.So called “three phase” nutrition system was used with starter, grower and finishermixtures. From the day 1 to 17., chickens received starter mixture which contained21.98% of crude proteins and 2.907 kcal/kg of metabolizable energy. From day 18 to39, chickens were fed grower mixture with 20.02% of crude proteins and 3.069 kcal/kgME. During final period, mixtures contained 18.30% of crude proteins and 3.163 kcal/kgME (Tabela 1).137