结果所调查婴幼儿谷类辅食的添加率88% ，植物蛋白添加率最低为4 4 7%。

Results The complementary rate of grain food among the infants was 88%, which of vegetable protein was lowest (44.7%).

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早熟禾科(即禾本科)大麦属谷类植物，以及其可食的谷粒。

Cereal plant of the genus Hordeum, in the family Poaceae (or Gramineae), and its edible grain.

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杂食性，以植物及小动物为食，在饲养条件下也吃小型甲壳动物，并可用剁碎的蚊类幼虫、谷类和其它食物作为补充饲料。

They feed on plants and small animals and, in captivity, on small crustaceans and other foods. They have become naturalized in many parts of the eastern U. S.

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