America's historic drought last summer has shifted
The drought wiped out lots of corn acreage, and by proxy increased feed costs. As a result:
During the initial years of the projection period, prices in the livestock sector reflect reductions in total meat and poultry production in recent years...Over the rest of the projection period, higher net returns and improved forage supplies lead to expansion of meat and poultry production.
Here's the chart of the USDA's projections: