. The experimental units were kept in an isolated room, receiving only artificial lighting with a controlled photoperiod (light:dark) of 12:12, and maintained at 25 ◦C with 30W submersible heaters.
. The experimentalunits were kept in an isolated room, receiving only artificiallighting with a controlled photoperiod (light:dark) of 12:12, andmaintained at 25 ◦C with 30W submersible heaters.