The effect of diet and captivity on the fatty acid composition of redpoll (Acanthis flammea) depot fats

作者: George C West , Martha S Meng

DOI: 10.1016/0010-406X(68)90364-2

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摘要: Abstract 1. Captive redpolls maintained under constant conditions of light and temperature fed three diets with different fatty acid compositions deposited the same composition acids in their depots regardless diet. 2. The depot fat wild caught which were feeding on a natural supply Chenopodium seed during migration contained over 80 per cent linoleic acid, times as much captive birds, twice breeding season. 3. It is suggested that environmental photoperiod, captivity physiological state bird (migration, breeding, etc.) exert greater affect birds' than does diet se .

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