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Revista Colombiana de Ciencias Pecuarias

Print version ISSN 0120-0690
On-line version ISSN 2256-2958

Abstract

KIL, Dong Yong  and  STEIN, Hans H. Dietary soybean oil and choice white grease improve apparent ileal digestibility of amino acids in swine diets containing corn, soybean meal, and distillers dried grains with solubles. Rev Colom Cienc Pecua [online]. 2011, vol.24, n.3, pp.248-253. ISSN 0120-0690.

The objective of this experiment was to measure the effects of soybean oil (SBO) and choice white grease (CWG) on apparent ileal digestibility (AID) of amino acids (AA) in corn-soybean meal-distillers dried grains with solubles-based diets fed to growing pigs. Three diets were prepared. The control diet contained corn, soybean meal, distillers dried grains with solubles (DDGS), cornstarch, and no additional fat. Two additional diets were formulated by adding 5% SBO or 5% CWG to the control diet at the expense of cornstarch. Twelve growing barrows with initial body weight of 37.6 kg (standard deviation = 3.22) were equipped with a T-cannula at the end of the ileum and they were allotted to one of three dietary treatments during six experimental periods.The AID of indispensable AA (e.g., arginine, histidine, isoleucine, leucine, phenylalanine, and valine) and dispensable AA (e.g., alanine, aspartic acid, cysteine, and proline) was improved (p<0.10) by the addition of 5% SBO or 5% CWG in the diets. The addition of SBO or CWG improved the AID of AA in a commercial-type diet containing corn, soybean meal, and distillers dried grains with solubles, and the extent of improvement in the AID of AA was comparable between the two sources of dietary fat.

Keywords : amino acids; apparent ileal digestibility; choice white grease; soybean oil; swine.

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