Please be VERY cautious with ivermectin in birds, it can be highly toxic, they are far more sensitive than mammals and the packaging is labeled for cattle, don’t use that dose! Also the pictured product is a pour on or topical product meant to be absorbed through the skin, not injected or given orally, use the injectable product orally and don’t even think about ‘pouring’ a chicken. The injectable is also listed as a 1% solution, there is not a mg/ml listed on the package making dose calculations even more exciting. It is a great dewormer in mammals but I’d highly recommend using something labeled for birds and if you must use it, get a vet to give you a dosage and have an accurate weight on your birds.