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New research on soybeans in monogastric diets

The summaries of multiple research studies are referenced in the special e-report: Improved measurement tools for trypsin inhibitor. New research shows health-challenged pigs perform better with higher lysine to energy…

FY21 USB-sponsored Animal Nutrition Research Projects

Feed mitigants to reduce virus transmission Inactivation of African Swine Fever Virus surrogate in soybean processing facilities Developing low cost, high-throughput assays for trypsin inhibitor activity Improved methods to measure…

Chemical composition, protein quality and nutritive value of commercial soybean meals produced from beans from different countries: A meta-analytical study

…BRA and IND meals (P < 0.05). Protein dispersibility index (PDI), KOH solubility (KOH) and trypsin inhibitor activity were lower for the BRA and ARG meals than for the USA…

Understanding factors that affect soybean meal quality

Nutrient and trypsin inhibitor (TI) content of soybeans can be influenced by genetics, planting site, and maturity group, among other factors. Heat treatments during soybean processing reduce most of TI,…

Effect of poor-quality soybean meal on broiler performance

Variations in soybean meal (SBM) quality can be caused by uneven cooking, undercooking, and overcooking which can result in antinutritional factors such as trypsin inhibitors and low-quality diets. The objective…

Adding Value to Soybeans through Cattle

…young, pre-ruminating calves because of trypsin inhibitor which interferes with digestion in monogastrics. Soybeans also contain urease which breaks down urea into ammonia. Feeding raw soybeans along with protein supplements…

Amino acid digestibility and metabolizable energy of genetically selected soybean products

…assay. The experimental SBM samples evaluated were cold-pressed (extruded) soybean meals or solvent-extracted (defatted) soybean meal. Of the cold-pressed varieties (unheated), there was an ultra-low trypsin SBM, a low-trypsin SBM,…

Influence of soybean origin on growth performance of broilers fed a semisynthetic diet with soybean meal as the unique source of amino acids from 18 to 21 days of age

…fiber, neutral detergent fiber, sucrose, oligosaccharides, and ash content] and protein quality indicators [trypsin inhibitor activity (TIA), KOH solubility (KOH), and protein dispersibility index (PDI)]. The data were analyzed as…

Precise nutrition: Regression equations using KOH protein solubility to estimate digestible lysine and digestible arginine in commercial lots of soybean meal that have undergone the Maillard reaction

…minimum of 80% KOHPS for CSBM without Maillard reaction damage (overprocessing) on the basis of DLYS both AAs are at high AAD provided trypsin inhibitors are not in excess (underprocessing)….

Chemical composition, protein quality, and protein digestibility and metabolizable energy content of commercial soybean meals from different origins in 21-day old broilers

…nutrients (CP, amino acids, crude fiber, neutral detergent fiber, sucrose, oligosaccharides, and minerals) and protein quality indicators (urease activity, KOH solubility, protein dispersibility index, and trypsin inhibitor activity). The IVPD…