I use rooster booster all the time. I have not had a problem with my roosters being aggressive. I use it in my water to ferment my feed. I even put it in my chicks water. In my opinion it does work really well! I absolutely love their wormer also .I was going to suggest a rooster booster pack, but I am glad I researched before telling you that their are products out there, one thing shows me concern.... Rooster Booster Benefits:
- Improves vigor & vitality
- Better semen quality and quantity
- Improves libido
- Boosts aggressiveness of male bird
- Improves breeding efficiency of breeder