浮头是泛塘的前兆,是高产鱼池生长旺季常见的一种现象,及时发现,采取有效措施,能减少泛塘的发生,保证鱼类健康生长。浮头往往发生在半夜或凌晨,给观察和判断浮头的轻重,带来一定的困难。我们根据多年生产实践,摸索了一套观察鱼类夜间浮头行之有效的方法。现简介如下: 方法一人蹲在鱼池下风处,迎着月光,贴近水面观察,如发现有阵阵水花,且有少量 Floating head is a precursor to Pan Tong and is a common phenomenon during the growing season of high-yield fish ponds. In time, effective measures are taken to reduce the occurrence of pan ponds and ensure the healthy growth of fish. Floating head often occurs in the middle of the night or early morning, to observe and judge the weight of floating head, bring some difficulties. Based on years of production practice, we explored a set of effective methods for observing fish floating at night. Now briefings are as follows: Method One squatting fish pond leeward, facing the moonlight, close to the surface observation, found that there are bursts of water, and a small amount