ulcerative shell disease 溃疡性壳病
red abdominal shell disease 红底板病
Calcium phospholipid: soft shell turtle prevent disease and ensure the healthy growth of turtles.
钙磷脂：有效防止龟类外壳的软化症，保证龟类的健康成长。
Timely using the product can avoid disease when prawns shell, eat and move abnormally.
对虾脱壳、吃料或活动不正常时及时使用，可避免病害发生。
Chitin (crab shell powder) was the best one for controlling disease with a 72.21% reducing of disease index in pots and 62.26% reducing in plots.
调查结果表明：几丁质（蟹壳粉）处理对棉花黄萎病的防治效果最好，在盆栽和小区试验中病情指数分别比对照降低了72.21%和62.26%；
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