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Digestible and metabolizable energy in soybean meal sourced from different countries and fed to pigs1
Animal Feed Science and Technology ( IF 2.5 ) Pub Date : 2020-10-01 , DOI: 10.1016/j.anifeedsci.2020.114600 Diego A. Lopez , L. Vanessa Lagos , Hans H. Stein
Animal Feed Science and Technology ( IF 2.5 ) Pub Date : 2020-10-01 , DOI: 10.1016/j.anifeedsci.2020.114600 Diego A. Lopez , L. Vanessa Lagos , Hans H. Stein
Abstract An experiment was conducted to compare the nutritional composition and the concentration of digestible energy (DE) and metabolizable energy (ME) of soybean meal (SBM) from the leading soybean producing countries in the world when fed to growing pigs. Five sources of SBM from Argentina, China, and the United States, and 4 sources from Brazil and India were used. A basal diet based on maize and 23 diets based on maize and each source of SBM were formulated. Twenty-four growing barrows (initial BW: 25.0 ± 1.7 kg) were allotted to a 24 × 7 Youden square design with 24 diets and 7 periods of 14 days. Pigs were individually housed in metabolism crates for total but separate collection of feces and urine. The coefficient of apparent total tract digestibility (CATTD) of gross energy (GE) and concentrations of DE and ME in each diet were calculated using the direct procedure and the DE and ME in each source of SBM were then calculated by difference. Results indicated that there was a tendency (P
更新日期：2020-10-01
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