Metabolizable energy values of soybean oil and hydrogenated soybean oil for broilers
1993
Brown, P.K. | Potter, L.M. | Watkins, B.A.
The AMEn of native soybean oil (SBO) and hydrogenated soybean oil (HSBO) were determined using 120 male broiler chickens between 3 and 4 wk of age. Test diets were prepared by adding the oils at the expense of a 23% crude protein, corn-soybean meal basal diet at substitution levels of 0, 10, and 20% on a weight basis. Each of the five diets (basal and four test diets) was provided for ad libitum intake to four pens of six chicks per pen for 7 days. Total amounts of saturated and monounsaturated fatty acids were higher, but polyunsaturated fatty acids lower in the HSBO compared with the SBO. Trans monoenes were present only in HSBO at 41% of the total fatty acids. A linear increase in both the gross energy and in the AMEn content of the diets was obtained by the incremental increase of either SBO or HSBO. The AMEn estimates of SBO and HSBO were determined to be 8,739 and 7,657 kcal/kg, respectively. These values represent 92.4 and 80.9% of their respective gross energy values.
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