POSSIBILITY OF ENRICHING FAYOUMI HEN'S EGG WITH OMEGA-3 FATTY ACIDS | ||
| Assiut Veterinary Medical Journal | ||
| Article 22, Volume 38.2, Issue 76, January 1998, Pages 307-328 PDF (5.19 M) | ||
| Document Type: Research article | ||
| DOI: 10.21608/avmj.1998.183168 | ||
| Authors | ||
| Amal A. Rady1; M.A. Mandour2 | ||
| 1Dept. of Biochemistry, Fac. of Vet. Med., Univ. of Alex. | ||
| 2Dept. of Animal Husbandry, Fac. of Vet. Med. Univ. of Alex. | ||
| Abstract | ||
| To explore the useness of fish oil (active EPA-cod liver oil) as a source of eicosapentaenoic acid (EPA, 20: Sn. 3), this study was performed on a total of 120 Fayoumi pullets which were randomly allocated into three equal groups (40/ group). The first group was fed on a basal control ration. It contained 3% cotton seed oil, which had high amounts of linoleic acid (18: 2n-6) and little amounts of n-3 polyunsaturated fatty acids. The other two groups were fed on a modified diet in which 50% and 100% of cotton seed oil was replaced by active EPA-cod liver oil (rich in omega-3 polyunsaturated fatty acids), respectively. The results showed that, addition of active EPA-cod liver oil particularly improved egg weight, egg mass production and feed conversion. However, the levels of plasma triacylglycerol, total cholesterol and low density lipoprotein were decreased. A significant increase (p < 0.01) in the three different omega-3 polyunsatureated fatty acids a-linolenic, (18:3 n-3), eicosapentaenoic, (EPA, 20:5 n-3) and docosahexaenoic, (DHA, 22:6 n-3) acids were observed in the liver and egg yolk of hens fed on fish oil for two months, the duration of the experiments. | ||
| Keywords | ||
| Key words: Hen's egg; Fatty acids; Enrichment | ||
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