Freshwater Resting Rotifer Cysts (Brachionus calyciflorus) Rotifers 15-20000
RESTING FRESHWATER ROTIFER CULTURES (Brachionus calyciflorus)
Rotifers, like Artemia, produce resting eggs or cysts. Yet, rotifers are uniquely different since they reproduce asexually (without sex) and only one rotifer becomes millions in a matter of days. Rotifer starter culture for use with the NEW APBreed™ (Compact Culture System™)
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RESTING FRESHWATER ROTIFER CULTURES (Brachionus calyciflorus) 15-20000 cysts
Rotifers, like Artemia, produce resting eggs or cysts. Yet, rotifers are uniquely different since they reproduce asexually (without sex) and only one rotifer becomes millions in a matter of days. Florida Aqua Farms pioneered this process and offer vials of lab cultured rotifer cysts. Cysts stored in a freezer can last over two years. Remove cysts from the vial, place in 1/2″ of water, cover, place in continuous low light. Hatching and feeding commences within 24 to 36 hours and reproduction about 18 hours after hatch. Resting eggs of the saltwater rotifer Brachionus calyciflorus. We offer only the “L” strain which are 130-340 µm long compared to new hatched Artemia which are 450-500 µm long. Smaller strains can be cultured by consistently sieving normal cultures for smaller individuals and culturing them. To determine what size inoculant would best suit your needs we offer a theoretical calculation of inoculant size and the approximate days for a population to reach 1 billion. Results vary depending on water quality, food and temperature.
Rotifers are small (50-1000 µm) zooplankton that occur in freshwater, brackish, and marine environments. Rotifers feed on microalgae and are consumed by a wide variety of fish, shellfish, corals, and other organisms. They are used extensively in aquaculture and aquariums because of their very high reproductive rates (as great as doubling or better every 24 hours), ease of culturing, optimal size for larval fish, and nutritional profile that can be tailored to the needs of prey species by use of special feeds such as Reed Mariculture’s RotiGrow® ranges.
The following link gives a good background to home culturing covering all the protocols used marine rotifers. This protocol is similar to that required for freshwater species and will act as a guide only for equipment setups only.
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