Feeding Corn Oil in a Nanoemulsified Form Alters the Unsaturated Fatty Acids in the Milk of Zaraibi Dairy Goats
2022
Mahmoud Atef Yousef | Mohammed Hamdy Farouk | Hossam H. Azzaz | Mostafa S. A. Khattab | Ahmed M. Abd El Tawab | Mohamed El-Sherbiny
Oil in water nanoemulsion represents a new and unstudied form of oil supplementation to the ruminant diet: that is why the aim was to evaluate the potential of nanoemulsified corn oil in dairy goats&rsquo: diets on milk productivity and fatty acid proportion. Twenty-four lactating Zaraibi goats in early lactation were randomly allocated to the following treatments: control&mdash:a basal diet without any supplementation, CO&mdash:the control diet + corn oil supplied at 3% on a dry matter basis (DM), NCO&mdash:the control diet + nanoemulsified corn oil provided at 3% on a DM basis. A completely randomized design that lasted 30 days (25 days of adaptation + 5 days of sampling) was used with eight goats in each treatment. The control diet consisted of 50% concentrate and 50% Egyptian berseem clover. The NCO increased the milk production, fat percentage, and yield compared to the CO and the control. The proportions of oleic, linoleic, and linolenic acids were higher in the NCO compared to the control and CO. The NCO had less effect on the biohydrogenation intermediates&rsquo: profile than the CO: noticeably, higher proportions of unsaturated fatty acid (UFA) were associated with the NCO. In conclusion, the NCO increased milk production and decreased the transformation rate of UFA to saturated fatty acids in the biohydrogenation environment.
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