Physical characteristics and chemical composition of Lesser Rhea (Pterocnemia pennata) eggs from farmed populations |
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Authors: | Navarro J L Barri F R Maestri D M Labuckas D O Martella M B |
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Institution: | Centro de Zoología Aplicada, Universidad Nacional de Córdoba, Argentina. navarroj@efn.uncor.edu |
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Abstract: | 1. Eggs from 4 farmed populations of Lesser Rhea (Pterocnemia pennata) were studied to determine their physical and chemical characteristics. 2. None of the physical variables (weight of whole egg, yolk, albumen and shell; proportion of yolk based on egg content; proportion of shell based on entire egg weight; volume; density) showed significant differences between populations. 3. Among chemical variables, moisture, both saturated fatty acids (palmitic 16:0 and stearic 18:0), one monounsaturated fatty acid (palmitoleic 16:1), and one polyunsaturated fatty acid (arachidonic 20:4), did not differ between populations, whereas other variables (protein, lipid and ash contents; fatty acids: oleic 18:1, linoleic 18:2, linolenic 18:3; PUFA; PUFA/SFA; cholesterol) differed significantly. |
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