Shipping restrictions: This item cannot ship to California 4 in 1 Powder for Birds helps in the treatment and prevention of some of the most common illnesses in pet birds: Canker, Salmonella (E.coli), Coccidiosis, and Paratyphoid. 4 in 1 Powder is one of the most widely used general treatments for pigeons, cage birds, and pet chickens due to its effectiveness and all around broad treatment. Use 4 in 1 Powder when a diagnosis is uncertain. Many bird fanciers also use it before breeding to insure their birds are not transmitting Salmonella or Canker to their young birds. Packaged in a resealable pouch. A top seller! Active Ingredients 20 g of Furaltadone per 100 g (20%) 10 g of Ronidazole per 100 g (10 %) Warning: This product is formulated for pet birds only. Do not use on livestock and other animals whose meat or eggs are intended for human consumption. Please keep away from children and other pets.  Size 100g resealable pouch