Dietary levels of chia: influence on yolk cholesterol, lipid content and fatty acid composition for two strains of hens.
Four hundred fifty H&N laying hens, half white and half brown, were fed for 90 d to compare a control diet to diets containing 7, 14, 21, and 28% chia (Salvia hispanica L.) seed. Cholesterol content, total fat content, and fatty acid composition of the yolks were determined 30, 43, 58, 72, and 90 d from the start of the trial. Significantly less cholesterol was found in the egg yolks produced by the hens fed the diets with 14, 21, and 28% chia compared with the control, except at Day 90. Palmitic fatty acid content and total saturated fatty acid content decreased as chia percentage increased and as the trial progressed. Total omega-3 fatty acid content was significantly greater (P < 0.05) for both strains for all chia diets compared with the control diet. Total polyunsaturated fatty acid (PUFA) content of the yolks from the chia diets was significantly greater (P < 0.05) than from the control diet. Generally, total PUFA content tended to be highest in the yolks of the white hens.[1]References
- Dietary levels of chia: influence on yolk cholesterol, lipid content and fatty acid composition for two strains of hens. Ayerza, R., Coates, W. Poult. Sci. (2000) [Pubmed]
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