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Re: [Killietalk] brine shrimp egg shells falling tothe bottom whenhatched
I don`t know if this is true as of today but on Brine Shrimp Direct web site I have seen that they store their product in a temperature controled room at 40 degrees. This is the suggested temperature for my Frigidaire and that`s where I keep my eggs. Duane
Little Dude wrote:
> What's the point in keeping brine shrimp eggs in the refrigerator? Do they
> die in warm temperature? Sorry, I'm new to this and could use all the info
> I can get about shrimp eggs, storing eggs or shrimp and hatching.
> >From: Barry Cooper <bjc3 at centurytel_net>
> >Reply-To: killifish discussion list <killietalk at aka_org>
> >To: killifish discussion list <killietalk at aka_org>
> >Subject: Re: [Killietalk] brine shrimp egg shells falling
> >tothe bottom whenhatched
> >Date: Mon, 24 Nov 2003 18:39:33 -0800
> >What you describe has not been my experience. I do store unopened cans in
> >the freezer and I store opened cans in the refrigerator. I open the latter
> >daily to remove about 1 heaping teaspoonful of eggs. The can is open just
> >long enough to do so. I have not noticed any degradation of hatch rate over
> >the lifetime of a 1 lb can, using the premium quality cysts bought from
> >At 08:26 AM 11/24/2003 -0800, you wrote:
> >>Hi Paul,
> >>Couple of comments:
> >>Refrigeration is now recommended over freezing (proven better cyst
> >>survival over time). Eggs are quickly killed if you open a can of cold
> >>cysts in normal room humidity (right from *either* refrigerator or
> >>freezer). They *must* be warmed to room temp. before opening.
> >>An invisible fog of dew settles on all the cold eggs near the surface,
> >>which triggers hatch signals. Then, when the rains don't come to wash them
> >>into the salty lake water, they die and will never hatch. Those end up at
> >>the bottom of your hatchery, and usually won't float to the top with the
> >>empty shells. You can quickly change 90% eggs to <50% eggs by not letting
> >>them warm up for a day before removing the lid.
> >>Some get away with use directly from cold storage by only poking a tiny
> >>hole in the can to pour eggs from, but not letting in much room humidity.
> >>Tape or put a plastic lid over the hole at all times when not actually
> >>pouring out eggs.
> >>Since I rarely hatch more than a tsp. of eggs at a time, I find it easier
> >>to let a can warm for a day, and then pour out a few weeks worth into a
> >>small jar with a good lid. I leave the jar out and put the sealed can back
> >>in the back of the refrigerator until I run low.
> >>If I'm not using "Coralife" or "Instant Ocean" salt mixes for hatching, I
> >>add about 1/5 epsom salt. [Roughly a level Tablespoon of total salts per
> >>1.5 Liter.] I'll also have to add a bit of baking soda, here, as my water
> >>is too soft and unbuffered to prevent the pH crash that causes quick death
> >>for the nauplii. Well-buffered (KH>6) tap water doesn't seem to need it.
> >>For really complete hatch, I often presoak the eggs in a bit of RO water
> >>to cause that trigger, mentioned above, and to improve wetting. I have
> >>noticed eggs do not like to wet quickly in either hard water or salt
> >>water. I don't do the full 15 minutes the experts at the suppliers
> >>suggest, but one minute seems to work just about as well, if the water is
> >>pure, and I'm less likely to wander off and forget they need salt. :-)
> >>Paul_Jablinski at notes.udayton.edu wrote:
> >>>To answer your question Tim. I put 1/2 teaspoon of salt to 10 ounces of
> >>>water. I bought the pound can of shrimp eggs from an ad in the AKA
> >>>newsletter. I keep the pound can in the freezer.
> >>>Bro. Paul
> >>Wright Huntley -- 760 872-3995 -- Rt. 001 Box K36, Bishop CA 93514
> >> Procrastination day has been postponed!
> >> Again!
> >>To join the AKA see http://www.aka.org/pages/join.html
> >Barry J. Cooper, Prof. Emeritus, Dept. Biomedical Sciences, Cornell
> >Professor, College of Veterinary Medicine, Oregon State University
> >Home address: 27505 Riggs Hill Rd., Sweet Home, OR 97386 (bjc3 at cornell_edu)
> >To join the AKA see http://www.aka.org/pages/join.html
> Gift-shop online from the comfort of home at MSN Shopping! No crowds, free
> parking. http://shopping.msn.com
> To join the AKA see http://www.aka.org/pages/join.html
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