谢 与 分 解 代 谢 逐 渐 达 到 与 运 动 需 要 相 适 应。 幼 鸽 出 棚 后 有 一 段 学 习 取 食 的 过 程 ， 由 于 它 们 最 初 取 食 量 有 限 ， 身 体 的 重 量 逐 渐 减 轻 ， 储 备 的 能 量 物 质 大 量 消 耗 ， 为 它 们 提 早 进 人 群 体 飞 翔 运 动 创 造 了 条 件 。 幼 鸽 在 飞 翔 运 动 过 程 中 ， 体 内 储 存 的 能 源 物 质 在 动 员 和 供 给 能 量 时 ， 促 进 了 内 脏 器 官 的 功 能 适 应 肌 肉 收 缩 运 动 的 方 向 发 展 。 许 多 事 实 证 明 ， 一 部 分 经 常 抢 不 到 足 量 饲 料 的 赛 鸽 ， 处 于 半 饥 半 饱 状 态 ， 营 养 物 质 的 消 化 吸 收 及 能 量 物 质 的 动 员 和 分 解 供 给 能 量 处 于 相 互 促 进 的 动 态 平 衡 。 因 而 它 们 的 运 动 能 力 明显 强 于 经 常 饱 食 的 赛 鸽 ， 同 时 也 表 现 出 较 高 水 平 的 竞 翔 运 动 能 力 。 我 们 经 过 多 年 的 实 验 结 果 也 证 明 了 幼 鸽 早 期 的 饥 饿 训 练 的 效 果 。 实 验 组 与 对 照 组 比 较 ， 其&n

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