Insights into the effects of pulsed antimicrobials on the chicken resistome and microbiota from fecal metagenomes oleh Ruo-nan ZHAO, Si-yuan CHEN, Cui-hong TONG, Jie HAO, Pei-si LI, Long-fei XIE, Dan-yu XIAO, Zhen-ling ZENG, Wen-guang XIONG