The effects of utilization of hazelnut oil, sunflower oil and their products on performance and fatty acid composition of yolk in layer hens.

Veterinary Research Communications
I S Cetıngul, F Inal

Abstract

This research has been performed to determine the effects of hazelnut crude oil, sunflower crude oil and its refinery by-products over the laying hens performance and the fatty acid composition of the egg's yolk. Four hundreds 36-week-old Nick Brown layer hens were allocated into five groups. Treatment groups were supplemented with 1.5% of sunflower crude oil, hazelnut crude oil, acidulated sunflower soapstock, acidulated hazelnut soapstock and acidulated hazelnut crude oil. The daily feed consumption for groups that were fed with crude oils were numerically improved as compared for those nourished with acidulated soapstocks. Although the percentages of cracked and broken eggs in acidulated hazelnut soapstock group was significantly higher than the other groups, daily feed consumption and egg production values were not different. The usage of acidulated hazelnut soapstock reduced the percentage of intact egg ratio. Egg's specific gravity and yolk color index were the highest level throughout the experiment from start to end in hazelnut crude oil group (p < 0.05). In group that was nourished by hazelnut oil, Omega 3/Omega-6 fatty acid ratios in egg yolk were higher than the groups that were fed with sunflower oil. The oleic acid...Continue Reading

References

Jul 1, 1987·Poultry Science·C M Hoyle, J D Garlich
May 8, 1999·The American Journal of Clinical Nutrition·W E Connor
Dec 3, 1999·The American Journal of Clinical Nutrition·E B Feldman
Feb 24, 2000·Poultry Science·M D BaucellsM A Grashorn

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