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KMID : 1024520190280090807
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Journal of the Environmental Sciences
2019 Volume.28 No. 9 p.807 ~ p.811
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Effects of Dietary illite As a Feed Additive on The Haugh Unit and Fatty Acid Profiles of Eggs
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Choi In-Hag
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Abstract
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The present study aimed to examine the effects of dietary illite as a feed additive on the Haugh unit and fatty acid profiles of eggs. One hundred and twenty laying hens (48-week-old Hy-line Brown) were randomly assigned to one of the following two treatments: control or 2% illite powder. At 2 and 4 weeks, the Haugh unit values between the control and 2% illite powder groups were not significantly different (p>0.05). In addition, individual fatty acid content at 2 and 4 weeks did not differ between the treatments (p>0.05), except for palmitic (C16:0) and palmitoleic acid (C16:1) content. The addition of 2% illite powder caused no difference between the total saturated and total unsaturated fatty acids at 2 and 4 weeks (p>0.05). In conclusion, the addition of dietary illite at a rate of 2% did not improve the Haugh unit values or fatty acid profiles of eggs.
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KEYWORD
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Fatty acid, Haugh unit, Illite, Laying hens
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