Might also try CedarOil spray
http://www.cedaroilstore.com/DR_BEN_S_EVICTOR_1_GALLON_p/pp4004.htm
is what I use (its the bulk version) for myself, my chickens and the Coop area.
http://www.fda.gov/AnimalVeterinary/Products/ApprovedAnimalDrugProducts/FOIADrugSummaries/ucm148849.htm
should be useful as it is specific to the product and its 'official' (FDA).
as should:
http://www.merckvetmanual.com/mvm/index.jsp?cfile=htm/bc/200800.htm
The dosage of amprolium for...