Development and validation of UPLC-MS/MS method for pharmacokinetics and tissue distribution of Tylvalosin and its bioactive metabolites in swine - Xianhai Luo; Guangshan Zhu; Yindi Dai; Gang Zhang; Jin Wan; Shaonan Zhang; Jiahui Tu; Wenjun Hu; Nini Ma; Yuexin Dong; Cong Wang; Zhixia Qiu (Veterinary Research Communications, 2026)