25 POUND Place blocks where animals can reach it and feed. Formula designed to get the right amount of wormer into the animal daily without over consuming. Safe and effective on all the economically signifiacnet worms in cattle.
When I saw this at ToolKing.com , I was very pleased. Merck Animal Health Merck Animal Health 069291/SG-465-25 Safeguard Dewormer Block is wonderful! I will buy one more for my girlfriend.