After being stripped from the spat catchers the oysters are put into fine mesh rollies until they grow to the size of about a 20? coin.
We utilize rollies with large mesh for our oysters at the nursery stage. They are graded a few times a year and remain the the rollies for about 18 Months to 2 years. Periodical drying is essential to reduce "catch" ( newly spawned oysters, barnicle, or small black muscle) the attach themselves to the oysters.