2.3. Sampling
Samples were taken periodically from each system and from the
field for morphological examinations, spawning trials, and histology/
stereology (Table 1). For all samples, test diameter was measured
using a ruler to the nearest 0.1 mm and the total body weight was
measured to the nearest 0.1 mg. In addition, gonad weights were
collected on all spawning and histology samples. The gonads were
removed, rinsed with saltwater, blotted dry, and weighed to the
nearest 0.1 mg. Whereas gonad weights and derived gonad indices are
affected by test diameter, standardization needs to be performed prior
to analysis (Harrington et al., 2007). Adjusted gonad weight (AGW)
was calculated.
2.3. SamplingSamples were taken periodically from each system and from thefield for morphological examinations, spawning trials, and histology/stereology (Table 1). For all samples, test diameter was measuredusing a ruler to the nearest 0.1 mm and the total body weight wasmeasured to the nearest 0.1 mg. In addition, gonad weights werecollected on all spawning and histology samples. The gonads wereremoved, rinsed with saltwater, blotted dry, and weighed to thenearest 0.1 mg. Whereas gonad weights and derived gonad indices areaffected by test diameter, standardization needs to be performed priorto analysis (Harrington et al., 2007). Adjusted gonad weight (AGW)was calculated.
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