As Price of Grain Rises, Catfish Farms Dry Up By DAVID STREITFELD LELAND, Miss. — Catfish farmers across the South, unable to cope with the soaring cost of corn and soybean feed, are draining their ponds. “It’s a dead business,” said John Dillard, who pioneered the commercial farming of catfish in the late 1960s. Last year Dillard & Company raised 11 million fish. Next year it will raise none. People can eat imported fish, Mr. Dillard said, just as they use imported oil. As for his 55 employees? “Those jobs are gone.” Corn and soybeans have nearly tripled in price...