1. J. Arundel (1994 ) Coopers Lice Advice Technical Manual , Coopers Animal Health, North Ryde, p12 .
2. JC Boray, GW Levot, JW Plant, PB Hughes, and PW Johnson (1988 ) Aust Adv Vet Sci , Australian Veterinary Association, Artarmon, p130 .
3. Effect of zinc sulphate on diazinon concentrations in dipwash containing colloidal clay particles
4. JR Edwards (1992 ) Proc Aust Sheep Vet Soc , Australian Veterinary Association, Artarmon, p74 .
5. Field observations on the ‘Exhaustion’ of suspension and emulsion sheep dip formulations