Chick-fil-A will drop its decade-long commitment to serving antibiotic-free chicken, the fast food company announced Monday. Starting this spring, the chicken chain’s “No Antibiotics Ever” pledge, launched in 2014, will shift to a “No Antibiotics Important To Human Medicine” (NAIHM) pledge, the firm said in its statement. The move comes as poultry farmers across the country have seen their flocks devastated by the current avian flu outbreak and have been struggling to keep supply up as a result, NBC News reports. Tyson Foods, for example, already dropped its own “No Antibiotics Ever” pledge la…