Re: Protein content of brine shrimp - Artemia

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Re: Protein content of brine shrimp - Artemia

Margolis

03-15-2005

Re: Protein content of brine shrimp - Artemia

Richard Sexton

03-15-2005

Posted by Margolis on March 15, 2005, 12:46 pm

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the 6% isn't dry, that is the content of the frozen package with water
making up a huge portion of that. That is why it seems so low, they have to
rate it as packaged. Dry it is 60% or higher, the same as an adult shrimp
out of the water. So indeed it is good ;o)

--

Margolis
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Posted by Richard Sexton on March 15, 2005, 4:24 pm

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>the 6% isn't dry, that is the content of the frozen package with water
>making up a huge portion of that. That is why it seems so low, they have to
>rate it as packaged. Dry it is 60% or higher, the same as an adult shrimp
>out of the water. So indeed it is good ;o)

Good but not great. Maybe it's the types of proteins or something. If
you want to conditioj fish for breeding you use black worms. Jim
robinson did a small study of this with dozens of pairs of
Aplocheilus linetus and a variety of live foods. Blackworms
won and not by a small margin.

I'm not dissing brine shrimp, they're good. But I still believe
what's in their gut is the significant source of the nutrtiion
as the paper I posted a reference to shows.

So if you have day old BS at the store they may be, as Elains says
"like potato chips". Certainly there's an obvious visible difference
in fresh-that-morning live brine than day old stuff. And the
frozenones have never impressed me, it seems it's like dumping
shrimp soup in yout tanks. Fur and shrimp juice.

It may be 6% protein, but that dosn't do you any good if half
of it has been squeeezed out of the shrimp and is just huice
now. Fish can't eat it and it just fouls your tank.
--
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Posted by Victor Martinez on March 15, 2005, 8:14 pm

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Richard Sexton wrote:

> I'm not dissing brine shrimp, they're good. But I still believe
> what's in their gut is the significant source of the nutrtiion
> as the paper I posted a reference to shows.

I thought the paper you posted reached the opposite conclusion? How big
do you think the "guts" of brine shrimp is? How much volume of food can
they hold, compared with their overall volume...

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Posted by Elaine T on March 15, 2005, 8:17 pm

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Victor Martinez wrote:

> Richard Sexton wrote:
>

>> I'm not dissing brine shrimp, they're good. But I still believe
>> what's in their gut is the significant source of the nutrtiion
>> as the paper I posted a reference to shows.

>
>
> I thought the paper you posted reached the opposite conclusion? How big
> do you think the "guts" of brine shrimp is? How much volume of food can
> they hold, compared with their overall volume...
>

No conclusions about gut loading can be made from this study, if all
that's available is posted in that link. The shrimp would have to be
analyzed both fasted and unfasted to distinguish between differences in
body composition and gut loading.

--
__ Elaine T __
><__'> http://eethomp.com/fish.html <'__><

Posted by on March 16, 2005, 8:16 am

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Hehe, three different conclusions from three different people.

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