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PostPosted: Oct 26th, '14, 07:56 
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..
Any images of the LATEST immigrants..???

Gotta get a waterproof camera or similar
..
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PostPosted: Oct 26th, '14, 18:06 
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Thanks dogdoor, its been fun and I smoked and ate more trout today.
Hi Peter, I see now that you posted here last month, sorry I didn't notice at the time, you are welcome over anytime, make it soon while I have a few trout left. I hardly see those shy flighty SP, let alone take photo's of them but they seem to have settled in ok now. A few still have that white slime on them but they look healthy so I think they will survive. Pictures coming.

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PostPosted: Oct 26th, '14, 18:22 
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Growth has been good, I really liked the curly kale and picking peas straight off the vine.

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PostPosted: Oct 26th, '14, 18:30 
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The new smoker.
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PostPosted: Oct 26th, '14, 19:10 
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Whats your brine recipe Rendang

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PostPosted: Oct 26th, '14, 19:16 
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I put a few tablespoons of salt in and about half as much brown sugar and leave it in the fridge overnight. Its quite a lot of salt, but the trout doesn't taste salty at all.

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PostPosted: Oct 26th, '14, 19:20 
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Yea I do mine similar but use garlic salt, coriander and fresh sliced chilli.

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PostPosted: Oct 27th, '14, 10:57 
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rendang wrote:
I hardly see those shy flighty SP, let alone take photo's of them but they seem to have settled in ok now. A few still have that white slime on them but they look healthy so I think they will survive. Pictures coming.


Thank heavens mine have stopped smashing into the walls and ending up with Mush-Mouth..

Did you work out how much to feed them... I would think you would be needing about 100G per day
(From Rupert's estimates)

Boy do mine like worms, but I should not do that..
likely put them off the 2mm pellets and floating is also an issue given the depth of my tanks
(now reduced from 800mm to closer to 700mm) I can't reduce that height any more...

My yabbies have been released in the dirt-sump.. they are now growing well.
I think that I saw the two big ones in the breeder tank, doing the Horizontal Tango yesterday, and now one has it's tail clenched sooo tight, as though it had Bali-Belly.. I hope that I can grow more of this presumed batch..
Can't wait until the SIL catches me some Red-Claw...

PS - planning a cooler system for one tank, so that I can better cater for Salmonoids.. I have a special fridge for the Fush-Food and thought that I would run the air line through the freezer and use a thermostat to activate a bypass valve.. I think that should work..
..
.

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PostPosted: Oct 27th, '14, 17:46 
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Quote:
Charlie wrote:
Yea I do mine similar but use garlic salt, coriander and fresh sliced chilli.

Sounds good, I might try a few variations next weekend, 8 or 9 still to go.

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PostPosted: Oct 27th, '14, 18:18 
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Bui Doi (Peter) and I shared a purchase of 200 SP a couple of weeks ago for a good price, they were 80-120mm. I lost about 20 due I think to stress but the rest look healthy now.

Quote:
Thank heavens mine have stopped smashing into the walls and ending up with Mush-Mouth..

Did you work out how much to feed them... I would think you would be needing about 100G per day
(From Rupert's estimates)

Boy do mine like worms, but I should not do that..
likely put them off the 2mm pellets and floating is also an issue given the depth of my tanks
(now reduced from 800mm to closer to 700mm) I can't reduce that height any more...

My yabbies have been released in the dirt-sump.. they are now growing well.
I think that I saw the two big ones in the breeder tank, doing the Horizontal Tango yesterday, and now one has it's tail clenched sooo tight, as though it had Bali-Belly.. I hope that I can grow more of this presumed batch..
Can't wait until the SIL catches me some Red-Claw...


I haven't properly worked out the feed yet, just give them a handfull morning and afternoon but I should work it out soon as a few of them actually came out of hiding to snatch some pellets so they must be hungry. I'm pretty sure none of them ever venture up to eat from the surface, they just wait till it sinks.
Yabbies, hmm dunno about yabbies, do you keep them out of interest or to eat or ?

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PostPosted: Nov 3rd, '14, 10:07 
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rendang wrote:
.....I haven't properly worked out the feed yet, just give them a handfull morning and afternoon?


Say 100mm > weight of say 30gms..

According to Rupe... at19to23degC, feed 3% - three times a day..

Now it is unclear if this means 1% on 3 occasions, or 3% three times = 9% tptal

So, if you had 100 fushes

100*30g x3%= 3000x3/100 = 90gms

I've asked Rupe what is correct.. 3% for three feeds or 9% for three feeds
..
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PostPosted: Nov 3rd, '14, 11:12 
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Out of interest i just googled it,they say 5-10% Per Day of body weight,split twice a day.http://books.google.co.th/books?id=9Voh ... ch&f=false

Thats a lot of food.

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PostPosted: Nov 3rd, '14, 11:44 
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dasboot wrote:
.....,they say 5-10% Per Day of body weight,.....


and Rupe got back to say

Quote:
I'm assuming you're referring to the Silver Perch feeding strategy chart


The value given is the "daily feed ration", how much should be fed each day according to fish size, biomass and water temp


So for the example given... @ 19-23 C 3% three times-a-day


The daily feed ration would be 3% of the total fish biomass (number of fish x average weight of fish)


This is the TOTAL daily feed ration... which is then split over the number of feeds per day


ie for 100 fish averaging 30 gram... @3% per day...


100*30g x3%= 3000x3/100 = 90gms


90 grams is the daily feed ration


So split over 3 feeds per day => 30 grams per feed


If you can only feed twice per day... then 45 grams per feed etc



You might find that if you can only feed once or twice a day, that not all the entire 90 grams will be eaten


And indeed some days, due to barometric pressure or lower water temps (especially in the morning), you might also see a similar result


You need to observe and adjust your feed rate accordingly.


Splitting the daily feed ration allows for that level of observation and adjustment if necessary.


If feed remains uneaten at the time of the next scheduled feed, either cut back the next feed, or skip it altogether


The "strategy" is an optimal feed strategy designed for optimal grow out of Silver Perch in a commercial scenario.


Thanks Rupe..
..
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PostPosted: Nov 3rd, '14, 11:53 
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For the record, the information put forward by Rupe.. consisted of a plot of SP Body Length Vs Weight..
This allows one to "Estimate the body-weight" of the fish..

Then , depending upon body size/weight and Temperature, you can estimate the likely food needs

clearly, it's imperative to watch and understand what your fish are doing/eating
..
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PostPosted: Nov 3rd, '14, 18:44 
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Hey, thanks Peter and Dasboot for the info, I am just guessing for the time being and only finding a few pellets in the filter. Seeing as how they have settled down ok I might net 10 out on the weekend and weigh them to work out the total weight and the correct amount of feed. cheers guys.

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