Seller determines the selling price of the product you have examined. original brand of İlyas yıldırım, devavit wolf caster is produced from 1st class raw material. suitable for use in all poultry. it is used once in 15 days it is given 2 times in pigeons 1 teaspoon per 2 liters budgerigars 1 teaspoon per 5 liters parrot 1 teaspoon per 5 liters 1 teaspoon per 1 liter in chickens it is used once every 6 months at 15 days intervals original brand of İlyas yıldırım what is devavit in short? : İlyas yıldırım, who has 35 years of experience producing feed, feed premixes, foods, supportive vitamins and accessories for all pets, especially the bird sector Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.