Abstract
Demoiselle crane (Anthropoides virgo) is the smallest one of all cranes, which migrates to north China in March, and leaves in October each year. The demoiselle crane is a premature bird. The average weight of a one-day nestling is about 76.0 g, and the new hatched nestling can’t stant until 20 h later. The weight of the nestling can be increased from 76 to 600 within 30 days, but decreased within the first 8 days, and increased gradually after 10 days. From 30 days to 60 days, the body weight increasing speed is the greatest, and is gradually slow after 60 days. The growth of other organs is similar to the body weight. The demoiselle crane is a omnivorous bird. During the early period, the main food is small fish, other small animals and fresh grasses. The grain feed is incrased gradully with the digesting organs developed. The demoiselle crane is easy domesticated, and is able to be oestrus, mating and laying eggs.
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