对虾生长情况的测定,不仅能反映出养殖措施是否正确,还可以依此来决定投饵量。一般说,养成期间最好每周或10天测量1次,每次测量50—100尾。在池中分几处采样,测量时间应选在清晨或午前,避开中午高水温期。仔虾期的采样可 Shrimp growth determination, not only can reflect the farming practices are correct, but also can be based on this to decide the amount of feeding. In general, it is best to measure once per week or 10 days during development, with 50-100 tails per measurement. In the pool in several samples, the measurement time should be selected early in the morning or noon, to avoid the high temperature at noon. Sampling of larvae can be