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Hand-Rearing, Release and Survival of African Penguin Chicks Abandoned Before Independence by Moulting Parents

机译:换羽父母放弃独立之前的非洲企鹅小鸡的人工饲养,释放和生存

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摘要

The African penguin Spheniscus demersus has an ‘Endangered’ conservation status and a decreasing population. Following abandonment, 841 African penguin chicks in 2006 and 481 in 2007 were admitted to SANCCOB (Southern African Foundation for the Conservation of Coastal Birds) for hand-rearing from colonies in the Western Cape, South Africa, after large numbers of breeding adults commenced moult with chicks still in the nest. Of those admitted, 91% and 73% respectively were released into the wild. There were veterinary concerns about avian malaria, airsacculitis and pneumonia, feather-loss and pododermatitis (bumblefoot). Post-release juvenile (0.32, s.e.  = 0.08) and adult (0.76, s.e.  = 0.10) survival rates were similar to African penguin chicks reared after oil spills and to recent survival rates recorded for naturally-reared birds. By December 2012, 12 birds had bred, six at their colony of origin, and the apparent recruitment rate was 0.11 (s.e.  = 0.03). Hand-rearing of abandoned penguin chicks is recommended as a conservation tool to limit mortality and to bolster the population at specific colonies. The feasibility of conservation translocations for the creation of new colonies for this species using hand-reared chicks warrants investigation. Any such programme would be predicated on adequate disease surveillance programmes established to minimise the risk of disease introduction to wild birds.
机译:非洲企鹅Spheniscus demersus的保护状态为“濒危”,并且种群在减少。被遗弃后,在大量成年成年成羽后,2006年有841只非洲企鹅小鸡和2007年有481只非洲小鸡被送往南非西海岸养护基金会SANCCOB进行人工饲养小鸡仍在巢中。在被承认的那些人中,分别有91%和73%被释放到野外。兽医对禽类疟疾,气管炎和肺炎,羽毛脱落和足底皮炎(足癣)表示关注。释放后的少年(0.32 ,, = 0.08)和成年(0.76,6 = 0.10)存活率与漏油后饲养的非洲企鹅小鸡相似,并且与自然饲养鸟类的近期存活率相似。到2012年12月,已繁育了12羽鸟类,其中有6羽在其原始殖民地繁殖,表观募集率为0.11(s = 0.03)。建议人工饲养废弃的企鹅小鸡作为一种保护工具,以限制死亡率并增强特定种群的种群数量。使用人工饲养的小鸡为该物种建立新的殖民地的保护易位的可行性值得调查。任何这样的程序都将基于适当的疾病监控程序而建立,该程序应将野生鸟类患病的风险降至最低。

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