Ed, HSB may not grow much over the winter months, but some of them may shock you with their ability to make up for lost time.
Please refer to the following spreadsheet on HSB growth data:
http://www.bizfunctional.com/wipers/archives/sunshine%20II.htm Your fish should do even better since they are cream of the crop. Look at the variation in growth rates observed amongst fish of the same year class. My fish came from runts that were the remnants of several culls. They still performed extremely well!
