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首页> 外文期刊>Research Opinions in Animal & Veterinary Sciences >Effect of age, season and housing system on cholesterol and fatty acids contents of table eggs
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Effect of age, season and housing system on cholesterol and fatty acids contents of table eggs

机译：年龄，季节和住房系统对食用鸡蛋中胆固醇和脂肪酸含量的影响

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A survey was carried out in Khartoum State to examine the effects of hens' age (66, 42 and 20 weeks), season of production (winter and summer) and housing system (open sided and closed) on table egg contents of cholesterol and fatty acids. Eggs were collected and analyzed for cholesterol and fatty acids content using gas chromatography mass spectrometer. Eggs of 66 weeks old hens had a significantly (P<0.05) higher amount of cholesterol than eggs of 20 weeks and 42 weeks old ones. Eggs collected in winter season contained significantly (P<0.05) higher percentages of C16:19e fatty acid and vaccenic acid. Arachidonic acid was significantly (P<0.05) less in egg yolk of 66 weeks old hens. There were some variations in fatty acids level among all studied factors but the differences were not statistically significant. It could be concluded that eggs produced from younger hens contain less cholesterol than that of the older hens.
机译：在喀土穆州进行了一项调查，以调查母鸡年龄（66、42和20周），生产季节（冬季和夏季）和住房系统（侧面和侧面）对食用鸡蛋中胆固醇和脂肪含量的影响酸。收集鸡蛋并使用气相色谱质谱仪分析胆固醇和脂肪酸含量。 66周龄母鸡的鸡蛋比20周龄和42周龄的鸡蛋的胆固醇含量高（P <0.05）。冬季收集的鸡蛋中含有较高百分比（P <0.05）的C16：19e脂肪酸和痘苗酸。 66周龄母鸡的蛋黄中花生四烯酸含量显着降低（P <0.05）。所有研究因素之间的脂肪酸水平都有一定差异，但差异无统计学意义。可以得出的结论是，年轻的母鸡所产的鸡蛋所含的胆固醇含量要低于大龄的母鸡。

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