Description Step 3 of the 3-step Backyard Chicken Health Pack program. All-natural formula designed specifically to aid in improving poultry performance in the presence of internal parasites, or worms. Helps break down natural defenses of intestinal worms and their eggs, making them more susceptible to attack by bird's immune system, stomach acids and gut bacteria.
DBC Ag Products Zyfend A for Poultry
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