Abamectin/oxfendazole/levamisole triple combination drench with selenium and cobalt. For the control and treatment of internal parasites of sheep, including those with single or dual resistance to macrocyclic lactones (including moxidectin resistant strains) benzimidazoles or imidazothiazoles (levamisole/morantel). Where Barber’s Pole worm (Haemonchus contortus) is known to be resistant to macrocyclic lactones and benzimidazoles or imidazothiazoles (levamisole/morantel), HAT-TRICK may have limited efficacy. Also provides a selenium and cobalt supplement for sheep raised in selenium and/or cobalt deficient areas. Pack size: 1L, 5L, 10L, 20L