Effects of dietary tallow containing trace amounts of ractopamine on beef cattle performance and tissue residue levels and the effect of withdrawal time on ractopamine residues in the gastrointestinal-tract digesta

Autor: Davis, Haley E., Budde, Ashley, Geornaras, Ifigenia, Lindstrom, Valerie, Chaparro, Jacqueline, Yang, Hua, Cross, H. Russell, Gehring, Kerri B., Belk, Keith E., Engle, Terry E., Prenni, Jessica E.
Zdroj: In Applied Animal Science August 2021 37(4):460-469
Databáze: ScienceDirect