Table 3.

Common drug categories and active ingredients used, stratified by lamb and adult sheep

	Drug category (n)	Active ingredient (% within drug category)
Lamb	Antimicrobial (480)	Long-acting oxytetracycline (21.25) Long-acting penicillin (21.25) Short-acting penicillin (21.25)
	Vitamin/mineral (270)	Vitamin E/selenium (66.67) Vitamins A & D (17.04)
	Biological (158)	Clostridial vaccine (66.46) CLA/clostridial vaccine (27.22)
	Anticoccidial (144)	Lasalocid (56.25) Amprolium (27.78) Decoquinate (10.42)
Adult sheep	Antimicrobial (624)	Short-acting penicillin (31.73) Long-acting oxytetracycline (24.04) Long-acting penicillin (22.44)
	Endectocide (213)	Ivermectin (99.53)
	Biological (148)	CLA/clostridial vaccine (51.35) Clostridial vaccine (41.22)
	Hormone (70)	eCG (34.29) Oxytocin (32.86) Progestagen (17.14)