Hand feeding nestlings
This is nothing new, but it can certainly prevent weaker young from dying. However, there are a few points of interest. There is a tendency to hand-feed only the smaller and weaker fry — but that is not always the best approach. If the weaker young are fed during the day, the healthy growing littermates will completely claim the parents as they beg louder and more aggressively. The parents then only feed the strong young.
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