Method of treating chronic respiratory disease in poultry

Claim 1

A METHOD FOR THE TREATMENT FO CHRONIC RESPIRATORY DISEASE INFECTED POULTRY WHICH COMPRISES ADMINISTERING TO SAID INFECTED POULTRY AN EFFECTIVE AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING THE FORMULAE 1,4-DI(O=),2-R1,4-R2,5-X4,6-X3,7-X2,8-X1-QUINOXALINE AND 1,4-DI(O=),2,3-DI(H-CO-),5-X4,6-X3,7-X2,8-X1-QUINOXALINE WHEREIN R1 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL OF UP TO 10 CARBON ATOMS, A-HYDROXY LOWER ALKYL, A-LOWER ALKANOYLOXY LOWER ALKYL, AND A-LOWER ALKOXY LOWER ALKYL; R2 IS SELECTED FROM THE GROUP CONSISTING OF ALKYL OF UP TO 10 CARBON ATOMS, LOWER ALKANOYL, A-HYDROXY LOWER ALKYL, A-LOWER ALKANOYLOXY LOWR ALKYL, AND A-LOWER ALKOXY LOWER ALKYL; AND X1, X2, X3, AND X4 ARE EACH SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL.

Claim 2

A METHOD FOR THE TREATMENT FO CHRONIC RESPIRATORY DISEASE INFECTED POULTRY WHICH COMPRISES ADMINISTERING TO SAID INFECTED POULTRY AN EFFECTIVE AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING THE FORMULAE 1,4-DI(O=),2-R1,4-R2,5-X4,6-X3,7-X2,8-X1-QUINOXALINE AND 1,4-DI(O=),2,3-DI(H-CO-),5-X4,6-X3,7-X2,8-X1-QUINOXALINE WHEREIN R1 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL OF UP TO 10 CARBON ATOMS, A-HYDROXY LOWER ALKYL, A-LOWER ALKANOYLOXY LOWER ALKYL, AND A-LOWER ALKOXY LOWER ALKYL; R2 IS SELECTED FROM THE GROUP CONSISTING OF ALKYL OF UP TO 10 CARBON ATOMS, LOWER ALKANOYL, A-HYDROXY LOWER ALKYL, A-LOWER ALKANOYLOXY LOWR ALKYL, AND A-LOWER ALKOXY LOWER ALKYL; AND X1, X2, X3, AND X4 ARE EACH SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL.