caa a22 4500 475783743 CHVBK 20180406123652.0 cr unu---uuuuu 170329e20001001xx s 000 0 eng 10.1023/A:1008102622276 doi (NATIONALLICENCE)springer-10.1023/A:1008102622276 Chickens fed with biomass of the red microalga Porphyridium sp. have reduced blood cholesterol level and modified fatty acid composition in egg yolk [Elektronische Daten] [Ariel Ginzberg, Merav Cohen, Uriel Sod-Moriah, Shraga Shany, Avi Rosenshtrauch, Shoshana Arad] The biomass of the red alga Porphyridium sp.constitutes a unique combination of soluble sulfatedpolysaccharide that accounts for about 70% of thealgal dry weight, and various polyunsaturatedfatty acids (PUFA) such as arachidonic andeicosapentaenoic acid (AA, 20:4 ω6 and EPA,20:5 ω3). In view of earlier results in ourlaboratory showing a reduction in serum cholesteroland triglyceride levels in rodents fed with red algalbiomass, we set out to examine the influence of algalbiomass as a feed additive on the metabolism ofchickens, with an emphasis on blood and eggcholesterol levels. For that purpose, lyophilizedalgal biomass was fed to 12-13, 30-week-old, WhiteLeghorn chickens for 10 days at a proportion of 5% or10% of the standard chicken diet. Twelve chickensfed with unsupplemented diet served as the control. No differences in body weight, egg number, and eggweight were found between the algal-fed chickens (atboth concentrations) and the control. However,chickens fed with algal biomass consumed 10% lessfood for both groups, and their serum cholesterollevels were significantly lower (by 11% and 28% forthe groups fed with 5% and 10% supplement,respectively) as compared with the respective valuesof the control group. Egg yolk of chickens fed withalgae tended to have reduced cholesterol levels (by10%) and increased linoleic acid and arachidonic acidlevels (by 29% and 24%, respectively). In addition,the color of the egg yolk was darker as a result ofthe higher carotenoid levels (2.4 fold higher) forchickens that fed with 5% supplement. Theseresults encourage the development of an improvedchicken feed having dietary fibers and polyunsaturatedfatty acids. Kluwer Academic Publishers, 2000 red microalga nationallicence Porphyridium sp nationallicence algal biomass nationallicence feeding chickens nationallicence polyunsaturated fatty acids nationallicence egg yolk nationallicence cholesterol nationallicence triglycerides nationallicence Ginzberg Ariel The Institute for Applied Biosciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel aut Cohen Merav The Institute for Applied Biosciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel aut Sod-Moriah Uriel Department of Life Sciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel aut Shany Shraga Faculty of Health Sciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel aut Rosenshtrauch Avi Department of Life Sciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel aut Arad Shoshana The Institute for Applied Biosciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel aut Journal of Applied Phycology Kluwer Academic Publishers 12/3-5(2000-10-01), 325-330 0921-8971 12:3-5<325 2000 12 10811 https://doi.org/10.1023/A:1008102622276 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1023/A:1008102622276 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Ginzberg Ariel The Institute for Applied Biosciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel aut NATIONALLICENCE 700 1- Cohen Merav The Institute for Applied Biosciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel aut NATIONALLICENCE 700 1- Sod-Moriah Uriel Department of Life Sciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel aut NATIONALLICENCE 700 1- Shany Shraga Faculty of Health Sciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel aut NATIONALLICENCE 700 1- Rosenshtrauch Avi Department of Life Sciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel aut NATIONALLICENCE 700 1- Arad Shoshana The Institute for Applied Biosciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel aut NATIONALLICENCE 773 0- Journal of Applied Phycology Kluwer Academic Publishers 12/3-5(2000-10-01), 325-330 0921-8971 12:3-5<325 2000 12 10811 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer