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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Lipid-Encapsulated Echium Oil (Echium plantagineum) Increases the Content of Stearidonic Acid in Plasma Lipid Fractions and Milk Fat of Dairy Cows
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Lipid-Encapsulated Echium Oil (Echium plantagineum) Increases the Content of Stearidonic Acid in Plasma Lipid Fractions and Milk Fat of Dairy Cows

机译：脂质包裹的ch油（Echium plantagineum）提高了奶牛血浆脂类成分和乳脂中的硬脂酸含量

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摘要

The objective of this study was to evaluate the impact of feeding lipid-encapsulated echium oil (EEO) on animal performance and milk fatty acid profile. Twelve Holstein dairy cows were used in a 3 x 3 Latin Square design with 14 day periods. Treatments were a control diet (no supplemental fat), 1.5% dry matter (DM) as EEO and 3.0% DM as EEO. Treatments had no negative effect on animal performance (dry matter intake, milk yield, and fat yield). The milk fat content of total n-3 fatty adds and stearidonic acid (SDA) increased with EEO supplementation (P < 0.001). The proportion of SDA increased in all plasma lipid fractions with EEO supplementation (P < 0.001). Transfer of SDA from EEO into milk fat was 3.4 and 3.2% for the 1.5 and 3% EEO treatments, respectively. In conclusion, EEO increases the content of n-3 fatty acids in milk fat; however, the apparent transfer efficiency was low.
机译：这项研究的目的是评估饲喂脂质包裹的车前子油（EEO）对动物生产性能和牛奶脂肪酸谱的影响。将12头荷斯坦奶牛用于3 x 3拉丁广场设计，共14天。治疗方法为对照饮食（不补充脂肪），1.5％干物质（DM）作为EEO和3.0％DM作为EEO。处理对动物的生长性能（干物质摄入量，牛奶产量和脂肪产量）没有负面影响。随着EEO的添加，牛奶中n-3脂肪和硬脂酸（SDA）的总脂肪含量增加（P <0.001）。补充EEO的所有血浆脂质组分中SDA的比例增加（P <0.001）。对于1.5％和3％EEO处理，SDA从EEO转移到乳脂中的比例分别为3.4％和3.2％。总之，EEO增加了乳脂中n-3脂肪酸的含量。但是，表观转移效率低。

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