Abstract
1. 1. The myoglobin (Mb) content of different muscles (heart, pectoral, wing, thigh and gastrocnemius) in chickens (New Hampshire strain), quail (Wild quail, Coturnix coturnix coturnix; and farm quail, Coturnix c. japonica), urban pigeons ( Columbia livia), starling ( Sturnus vulgaris) and seagulls ( Larus argentatus and L ridibundus) have been analyzed. 2. 2. Differences in Mb in the same muscle from different species, have been statistically demonstrated. The Mb concentration data (0.59–6.8 mg Hb/g wet muscle) from these species, fits in well with the range in birds, compiled from the literature. 3. 3. Differences in Mb content in the same muscle, from different species, have been statistically shown. However, it is difficult to establish a relationship with flight habits. 4. 4. After only a 2 week captivity in pigeons, the myoglobin content was already significantly reduced in heart, pectoral and wing muscles, but not in the leg muscle.
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