question: When did the poultry business boom in the United States ?
answer: By the mid-20th century , the poultry meat-producing industry was of greater importance than the egg-laying industry
turker_answer: The poultry business boomed in the United States by the mid-20th century , the poultry meat-producing industry was of greater importance than the egg-laying industry .
rule-based: The poultry business boom in the United States by the mid-20th century , the poultry meat-producing industry was of greater importance than the egg-laying industry .