Blue-kote and Rooster Booster are not working

What else can I try? My little Ameraucana roo has had his entire tail pecked off. I don't know what else to do for him. I don't want to remove him from the flock, he is already the lowest in the pecking order.

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Blue-kote and Rooster Booster are not working BackYard Chickens - Learn How to Raise Chickens

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Blue-kote and Rooster Booster are not working

23 Metal Wild Kauai Rooster

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ROOSTER BOOSTER Pick-No-More Cover up Poultry Lotion, 4-oz bottle

ROOSTER BOOSTER Pick-No-More Cover up Poultry Lotion, 4-oz bottle