Mixture enriched with vitamin E, promotes singing. Ensures a lovely singing by canaries and finches. Promotes sexual drive and fertility. INDICATIONS OF USE: 15 drops in 50 ml pure drinking water - 2 to 3 times per week, make fresh each time. For finches and other song birds: three times a week during the contest season. During the preparation for the breeding season (3 to 4 weeks) until the first egg has been laid: give daily. Store in a cool and dark place. Weight: 30 ML