Retail beef prices have tested the consumer limit with 13 percent growth over the past year, while pork prices have been tempered by increased slaughter weights and uncertainty about the longer-term impact of porcine epidemic diarrhea virus (PEDv). Meat and Livestock Overview Feeder margins dropped last week but remain solidly in the black at $223.51 per head, according to the Sterling Profit Tracker, and compares with a negative margin of $74.62 at this time last year. This has allowed feeders to aggressively pursue what cattle are offered. The $200/cwt line has floated up to heavier cattle after starting at 5-weight and then moving up to 6-weight before reaching 7-weight. According to USDA reports, 7-weight cattle in several Midwestern...