Distribution of Mercury in Rainbow Trout Tissues at Embryo-Larval and Juvenile Stages

Table 3

Feeding rates (percent of body weight per day) and feedstuff types during the sampling period.

Date	Feeding rates (%BW/day)	Feedstuff	Feedstuff mercury concentration (mgkg^−1)
20.3.–15.5.2008	2	Sample number 1	0.0126
16.5.–16.7.2008	2	Sample number 1	0.0126
17.7.–10.9.2008	1	Sample number 1, sample number 2*	0.0126–0.0401*
11.9.–18.11.2008	2	Sample number 1, sample number 2*	0.0126–0.0401*
19.11.2008–10.4.2009	0.5 (0.25)^+	Sample number 2, sample number 3°	0.0401–0.0859°
11.4.–16.6.2009	2	Sample number 3	0.0859
17.6.–20.8.2009	1	Sample number 3	0.0859

*Gradual transition of feedstuff sample 1 to feedstuff sample 2 in September 2008.
⁺Fish fed only 0.25% BW/day of feedstuff number 2 in resting period (December 2008–February 2009).
°Feedstuff number 2 till February 2009, feedstuff number 3 from March 2009.