Estimating the Net Energy Value of Expelled, Extruded Soybean Meal When Fed to Nursery Pigs
نویسندگان
چکیده
Solvent-extracted soybean meal (SSBM) is typically used as the primary protein source in swine diets United States. Mechanically extracted or expelled (MSBM) has increased concentrations of fat and decreased essential AA compared to SSBM, but MSBM been demonstrated have improved digestibility. This study aimed estimate NE value relative SSBM determine its effects on growth performance late nursery pigs. A total 297 pigs (241 × 600, DNA) were weaned (BW 11.2 lb) placed into 60 pens (2 rooms 30 pens) with 5 per pen balanced by gender weaning weight. Pigs fed a common diet for 21 days. Then, 20.7 randomly assigned one five treatments provide 12 replications treatment. Treatments consisted increasing amounts replacing (0, 25, 50, 75, 100%). All 28 days formulated 1.30% standardized ileal digestible lysine, met exceeded NRC2 recommendations Lys:AA, Ca, P. The an 946 kcal/lb 0% was 1091 not between diets. Analyzed values CP, ether extract, crude fiber, Lys 47.28%, 0.47%, 3.80%, 3.00%, respectively, while contained 47.41%, 6.88%, 5.32%, 2.99% respectively. had KOH solubility trypsin inhibitor (83.62 7026 TIU/g, respectively) (73.05 3011 urease activity similar two (0.03 vs. 0.02 Δ pH, respectively). Data analyzed using PROC GLIMMIX (SAS v. 9.4) experimental unit room blocking factor. There no evidence differences ADG ADFI MSBM. (linear, P < 0.001) F/G caloric efficiency basis. In conclusion, estimated 123% 1,164 kcal/lb. increase resulted feed
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ژورنال
عنوان ژورنال: Kansas Agricultural Experiment Station Research Reports
سال: 2021
ISSN: ['2378-5977']
DOI: https://doi.org/10.4148/2378-5977.8162