Requirement 1: ingredients for the treatment of animal microbial infection, including (a) a formula compound (1),R is a member selected from the methyl or ethyl group, or a halogenated derivative, dihalodiethyl, 1-halo-1-deuterium, 1,2-dihalo-1-dihalo-1-diethyl, azidometilo and methyl sulfuryl ethyl selected from the methyl or ethyl group; X and X are members independently selected from the no832222 group;SO₂R¹,Sor1,SR1,SONH₂,SO₂NH₂,Sonhr1,SO₂NHR¹,Cor1,Or1,R1,Propylene, halogen, hydrogen, phenyl, phenyl monkey,di- or trisubstituted with halogen, NO₂,R1,PO83228R1,Conhr1,NHR1,Nr1,Conr,O Conner,O Or1,1. Each R1 and R2 type is selected from a separate group consisting of methyl, ethyl, n-propyl, isopropyl butyl, t-butilo, isobutyl and phenyl; Z is an acid group of hydrogen, or a hydrocarbon acid with a maximum of 16 carbon atoms, or an acid group of amino carbamyl acid with a maximum of 12 carbon atoms, and a pharmaceutically acceptable salt of the acid group; (b) At least one specific carrier is composed of triethylketone, diethylamine and / or a combination thereof. Requirement 6: composition of requirement 1,where the compound is florfenicol. Claim 10: The composition of claim 9 wherein the carrier is triacetin. Claim 12: The composition of claim 10 further comprising 2-pyrrolidone. Claim 14: The composition of claim 9 wherein the carrier is dimethylacetamide. Claim 21: The composition of claim 1 further comprising flunixin. Claim 23: The composition of claim 1, further comprising a avermectin.Reivindicación 1: Una composición para el tratamiento de una infección microbiana en un animal que comprende: a) un compuesto de fórmula (1), donde R es un miembro seleccionado del grupo que consiste en metilo o etilo, o un derivado halogenado de metilo o etilo, dihalógenodeuteriometilo, 1-halógeno-1-deuterioetilo, 1,2-dihalógeno-1-deuterioetilo, azidometilo y metilsulfonilmetilo; X y X son un miembro independientemente seleccionado del grupo que consiste en NO₂, SO₂R¹, SOR¹,