Modification of egg yolk fatty acids profile by using different oil sources

سال انتشار: 1394
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 51

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شناسه ملی سند علمی:

JR_VRFAN-6-2_007

تاریخ نمایه سازی: 25 آبان 1402

چکیده مقاله:

The study was conducted to evaluate the effects of different dietary oil sources supplementation on laying hens’ performance and fatty acids profile of egg yolks. Seventy-two ۲۳-week-old laying hens (Tetra-SL) divided into six experimental diets (four replicates and three birds per replication) in a completely randomized design for nine weeks. Experimental diets were included: ۱) control (no oil), ۲) ۳.۰۰% fish oil, ۳) ۳.۰۰% olive oil, ۴) ۳.۰۰% grape seed oil, ۵) ۳.۰۰% canola oil, and ۶) ۳.۰۰% soybean oil. The diets were similar in terms of energy and protein. Egg production, egg mass, egg weight, feed intake, feed conversion ratio and fatty acid composition of egg yolk were determined at the end of the trial. The results indicated that the performance parameters were not significantly different between treatments in the entire period (p > ۰.۰۵). However, fatty acids profiles of yolk were affected by experimental diets (p < ۰.۰۵). Fish oil significantly reduced omega-۶ fatty acids and increased docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) in egg yolk. Also canola oil increased linolenic acid content in the egg yolk. In conclusion, fish oil increased omega-۳ long-chain fatty acids and decreased omega-۶ to omega-۳ ratio in eggs which may have beneficial effects on human health.

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نویسندگان

Mohsen Omidi

Graduate Student, Faculty of Agriculture, Tarbiat Modarres University, Tehran, Iran

Shaban Rahimi

Department of Poultry Science, Faculty of Agriculture, Tarbiat Modarres University, Tehran, Iran

Mohammad Ali Karimi Torshizi

Department of Poultry Science, Faculty of Agriculture, Tarbiat Modarres University, Tehran, Iran

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