Growth of Oyster (Crassostrea virginica) Larvae in Small-Scale Systems Using an Algae Concentrate Food Source

Table 1

Larval parameters measured in controls and microcosms throughout the 14-day trials.

Treatment	Larval growth rate (µm day^−1)	Days to first eyed larvae	Total eyed larvae (larvae mL^−1)
Trial 1
Control	7.67 ± 1.85^b	13.0 ± 0.0	0.04 ± 0.02
2-inch airlift	11.4 ± 2.02^ab	13.3 ± 1.2	0.07 ± 0.08
4-inch airlift	10.4 ± 1.14^a	12.7 ± 0.6	0.14 ± 0.07
1 mL air injector	12.0 ± 1.22^a	12.3 ± 0.6	0.38 ± 0.39
p Value	0.042	0.400	0.137
Trial 2
Control	14.0 ± 2.26^a	12.0 ± 0.0	1.21 ± 0.15^a
1 mL air injector	10.3 ± 0.53^b	13.0 ± 1.0	0.22 ± 0.19^b
5 mL air injector	10.4 ± 0.60^b	13.0 ± 0.0	0.38 ± 0.13^b
Zero aeration	10.1 ± 0.59^b	13.0 ± 0.0	0.32 ± 0.11^b
p Value	0.014	0.095	<0.001

Bold p Values indicate significant differences among treatments (), with pairwise comparison results denoted using superscripts.