2024/2025美国玉米出口货物质量报告

2024/2025CORN EXPORT CARGOQUALITY REPORT Developing a report of this scope and breadth in a timely manner requiresparticipation by several individuals and organizations. The U.S. GrainsCouncil is grateful to Steve Hofing, Lee Singleton, Lisa Eckel, Alex Harveyand Dee Ann Hoffman of Centrec Consulting Group, LLC (Centrec) fortheir oversight and coordination in developing this report. A team of expertsprovided analysis and writing support. External team members includeDrs. Lowell Hill, Marvin Paulsen and Tom Whitaker. In addition, the Councilis indebted to the Illinois Crop Improvement Association’s Identity PreservedGrain Laboratory (IPG Lab) and Champaign-Danville Grain Inspection (CDGI)for providing the corn quality testing services. In particular, we acknowledge the irreplaceable services of the FederalGrain Inspection Service (FGIS) of the U.S. Department of Agriculture. FGISprovided samples from export cargoes. The FGIS Office of InternationalAffairs coordinated the sampling process. FGIS field staff, the WashingtonState Department of Agriculture and FGIS-designated domestic official serviceproviders collected and submitted the samples that constitute the foundation ofthis report. We are grateful for the time they devoted during their busy season. As a USDA programs participant, the U.S. Grains Council is committed tocomplying with non-discrimination policies from federal, state and localcivil rights laws and those of the USDA. Visit the USDA website page(https://www.usda.gov/non-discrimination-statement) for details. Greetings from the CouncilExport Cargo Quality HighlightsIntroduction A.Grade Factors..................................................................................................6B.Chemical Composition...................................................................................19C.Physical Factors............................................................................................29D.Mycotoxins.....................................................................................................48 59U.S. Corn Export System A.U.S. Corn Export Flow...................................................................................60B.Impact of the Corn Marketing Channel on Quality.........................................61C.U.S. Government Inspection and Grading.....................................................63 A.Overview........................................................................................................65B.Survey Design and Sampling........................................................................66C.Statistical Analysis.........................................................................................71 72Testing Analysis Methods A.Grade Factors................................................................................................72B.Chemical Composition...................................................................................73C.Physical Factors............................................................................................74D.Mycotoxins.....................................................................................................75 77Historical Perspective85U.S. Corn Supporting InformationBCUSGC Contact Information The U.S. Grains Council (USGC) is pleased to present findings from its 14thannual corn quality survey in this2024/2025 Corn Export Cargo Quality Report. The Council is committed to furthering global food security and mutual economicbenefit through trade. In doing so, it offers this report to assist buyers in makingwell-informed decisions by providing reliable and timely information about thequality of U.S. corn destined for export. TheCorn Export Cargo Quality Reportis the second of two reports releasedannually by the Council detailing the quality of the 2024 corn crop. The reportis based on samples taken at the point of loading for international shipmentearly in the 2024/2025 marketing year. This report and its sister report, the2024/2025 Corn Harvest Quality Report, provide an early look at the gradefactors established by the U.S. Department of Agriculture as well as chemicalcomposition and other quality characteristics not reported elsewhere. This seriesof quality reports uses a consistent and transparent methodology to allow forinsightful comparisons across time. The Council is pleased to offer this report as a service to our valued tradingpartners. It serves as a means of fulfilling the Council’s mission of developingmarkets, enabling trade and improving lives. Verity UlibarriChairwoman, U.S. Grains CouncilMarch 2025 The 2024 U.S. corn crop experienced limited stress throughout its development dueto favorable growing season conditions. These conditions contributed to the highestprojected average yield on record and promoted good grain quality. Relatively warm, dryconditions during September and October also permitted an effective dry-down and timelyharvest, which likel