2023
Using near infrared reflectance spectroscopy to determine the digestible amino acid and true metabolizable energy content of soybean meal
Contributor/Checkoff:
Category:
Feed
Keywords:
Amino acidsAnimal nutrition
Parent Project:
This is the first year of this project.
Lead Principal Investigator:
Chongxiao (Sean), University of Georgia
Co-Principal Investigators:
Project Code:
23-107-D-F-1-B
Contributing Organization (Checkoff):
Institution Funded:
Brief Project Summary:
The goal of this research is to create and validate near infrared reflectance spectroscopy (NIRS) calibration curves for the determination of the nitrogen corrected true metabolizable energy (TMEN) and digestible amino acid (dAA) content of soybean meal (SBM) which would enhance SBM demand and utilization by the poultry industry. When evaluating feed ingredients for poultry diets the most important nutrient specifications to have are TMEN and dAA content. As it is the dAA and TMEN that sustain and fuel the bird’s rapid growth from hatch to market weight in the broiler industry and prolific egg production in the egg industry. Animal bioassays are used to determine TMEN and dAA content of feed ingredients, but they are costly and take weeks to complete. Thus, they cannot be completed on delivered ingredients before they are utilized in diets and fed. Given the variation in the TMEN and dAA content between batches of SBM due to different cultivar genetics, growing conditions and processing procedures, poultry diets often have either TMEN and dAA deficiencies which reduce bird performance, or they have excesses that are economically costly and contribute to litter ammonia production an
Information And Results
Project Summary

Project Objectives

Project Deliverables

Progress Of Work

Final Project Results

Completed research indicated that near infrared reflective spectroscopy (NIRS) could be used to accurately predict the nitrogen corrected true metabolizable energy and digestible amino acid content of soybean meal produced by solvent or mechanical extraction of the oil from soybeans. Having the ability to quickly obtain the nitrogen corrected true metabolizable energy and digestible amino acid values would allow poultry nutritionists to formulate diets based on each batch of delivered soybean meal which would enhance poultry production efficiency by more precisely matching the amino acid and energy content of diets to the bird’s actual requirements of these nutrients. In addition, NIRS prediction of nitrogen corrected true metabolizable energy and digestible amino acid content in soybean meal would assist soybean meal manufacturers in setting quality price premiums, in identifying processing procedures that optimize digestible energy and amino acid content, and in blending different soybean meal batches to meet minimum quality specifications. Finally, the rapid determination of nitrogen corrected true metabolizable energy and digestible amino acids would also allow other researchers to determine how other parameters such as fertilization, environmental stressors and post-harvest oil processing affect the nitrogen corrected true metabolizable energy and digestible amino acid content of soybean meal.

Benefit To Soybean Farmers

Completed research indicated that near infrared reflective spectroscopy (NIRS) could be used to accurately predict the nitrogen corrected true metabolizable energy and digestible amino acid content of soybean meal produced by solvent or mechanical extraction of the oil from soybeans. Having the ability to quickly obtain the nitrogen corrected true metabolizable energy and digestible amino acid values would allow poultry nutritionists to formulate diets based on each batch of delivered soybean meal which would enhance poultry production efficiency by more precisely matching the amino acid and energy content of diets to the bird’s actual requirements of these nutrients. In addition, NIRS prediction of nitrogen corrected true metabolizable energy and digestible amino acid content in soybean meal would assist soybean meal manufacturers in setting quality price premiums, in identifying processing procedures that optimize digestible energy and amino acid content, and in blending different soybean meal batches to meet minimum quality specifications. Finally, the rapid determination of nitrogen corrected true metabolizable energy and digestible amino acids would also allow other researchers to determine how other parameters such as fertilization, environmental stressors and post-harvest oil processing affect the nitrogen corrected true metabolizable energy and digestible amino acid content of soybean meal.

The United Soybean Research Retention policy will display final reports with the project once completed but working files will be purged after three years. And financial information after seven years. All pertinent information is in the final report or if you want more information, please contact the project lead at your state soybean organization or principal investigator listed on the project.