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Home: Koi Health: Koi Feeding, Nutrition and Diet:
Jumbo sized koi

 





 


Gouri
Koi Lover


Jun 7, 2006, 6:34 AM

Post #1 of 19 (2974 views)
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Jumbo sized koi Can't Post
Hi

If a koi comes from jumbo parents but in it's first few years is only fed a limited amount, which reduces it's growth. But then if feeding is increased can the koi still obtain jumbo size?

Thx


zoul
Member

Jun 7, 2006, 8:14 AM

Post #2 of 19 (2970 views)
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Re: [Gouri] Jumbo sized koi [In reply to] Can't Post
Dear Gouri

A few factors are involved here. It's not just diet, the enviromental factors are immplyed.

If a fish is kept in a large pond with limited food given it could still reach a large size, becouse of all the other protentual food that just drops in...

On the other hand if the fish is kept in a smallish tank inside a house and fed a really good diet it might not grow becouse of the limited space...

If a koi is kept in a crampt space and then given a large pond it growth rate will speed up for an amount of time.

Personaly i would go for a big pond and a good diet just to get the best of my fish..... but i don't like to mess about with my fish


dechoong
Member


Jun 22, 2006, 1:57 AM

Post #3 of 19 (2854 views)
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Re: [Gouri] Jumbo sized koi [In reply to] Can't Post
Hi,

If your koi hasn't reach 70cm and above as a sansai, chances of it becoming a jumbo (>80cm) is quite slim. For koi with jumbo genes, the trick is to maximise its growth during the 1st 3 years as it'll slow quite dramatically by the 4th year.

Cheers,
Dennis


koi@kit
Senior Member


Jun 22, 2006, 9:18 PM

Post #4 of 19 (2836 views)
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Re: [dechoong] Jumbo sized koi [In reply to] Can't Post
hi cifu dennis..

from ur statement.. dats mean a tosai koi grow to 54cm, nissai to 70cm, chances the koi will be 80 to 90cm?
but wat i experience is koi dat grow dat fast will lost a bit of skin quality.. wat do u suggest?Unimpressed

best rgds
kit


dechoong
Member


Jun 23, 2006, 1:37 AM

Post #5 of 19 (2824 views)
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Re: [koi@kit] Jumbo sized koi [In reply to] Can't Post
Hi kit,

I'm not too sure about koi compromising their skin quality during periods of fast growth, but their colours do fade a little (especially the hi) when the scales extend at the outer rim during these period. Skin quality is more dependent on genetic factors, water condition and food. That's the reason I feed young kois Spirulina (Hikari Excel)... with moderation (only in the morning mixed with Hikari Hi-Growth, 2:1 to Excel)... not to heighten their colour but maintain their skin quality and prevent the hi from toning down too much during growth spurt.

I take the road where growth comes 1st, trying not to compromise too much on the colour during this stage. When growth slows down on the 4th year, the koi will have more than enough time for you to start finishing its colour.

70cm for a nissai is quite incredible Shocked. I'll say if a koi can reach 70cm and above as a sansai, it has good chance to be a jumbo before its 6th year Smile.

Me no cifu lah Blush... just sharing my wee bit of experience here.

Cheers,
Dennis


koi@kit
Senior Member


Jun 23, 2006, 7:45 AM

Post #6 of 19 (2820 views)
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Re: [dechoong] Jumbo sized koi [In reply to] Can't Post
hi Dennis..

many thanks for ur explanations... very well explained..Wink

cheers
kit


Forever-Mango
Koi Lover


Jul 29, 2006, 11:14 PM

Post #7 of 19 (2653 views)
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Re: [dechoong] Jumbo sized koi [In reply to] Can't Post
Sifu Dennis,

I read that you feed "young kois Spirulina (Hikari Excel)... with moderation (only in the morning mixed with Hikari Hi-Growth, 2:1 to Excel)". I was wondering how young are these Koi because the average Koi size I got are 3inchs. And if I do the same ratio of mixture of food, is it ok?

Regards
Sai Lo Mango Sly
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dechoong
Member


Jul 30, 2006, 2:49 AM

Post #8 of 19 (2650 views)
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Re: [Forever-Mango] Jumbo sized koi [In reply to] Can't Post
Hi Mango,

I don't buy koi smaller than 10 inches... I'm not skilled in reading koi any smaller than 10 inches lah BlushTongue.

The last time I've bought a tosai is a 10 inches Sekiguchi showa... can hardly see it when I put it together with the rest of my koi in the pond Crazy.

I believe the ratio is fine for very young koi like yours... just make sure you've got the right pellet size as there's no way a 3 inches koi can feed on Hikari Hi-Growth Wink

Cheers,
Dennis


MakubeXXX
Koi Lover


Aug 10, 2006, 12:42 AM

Post #9 of 19 (2589 views)
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Re: [zoul] Jumbo sized koi [In reply to] Can't Post
I'm just curious with the pond size. I currently have 3100 gallons (including Filtration System) pond with depth ranging from 2.1M - 2.2M.
what are the chances of me getting a jumbo size KOI? Because I have just bought a Japan imported Kohaku (73cm) - 6 years old and I am trying
to maximize its growth so that it can reach 80 or even 90 cm.

The problem is that although I have deep pond, but the total area is so small that my Kohaku seems to get easily bored and just rest in the bottom
of my pond. BTW I live in Indonesia where the weather is always above 26 Celcius and I therefore feed my KOI 4-6times a day.

I currently have 6 KOI with the smallest being 55cm. Is this good enough to grew a jumbo size KOI? Should I get my KOI a better food like yours (Hikari - Hi growth and color)?

Does anyone have recipes for obtaining a fat and bulky KOI (usually for contest purposes)?

I'm sorry if I have ask so many questions. It's just that I am a novice who really want to get a jumbo size KOI.

Thank you


Bizzaro
Koi Lover

Aug 14, 2006, 9:49 AM

Post #10 of 19 (2557 views)
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Re: [MakubeXXX] Jumbo sized koi [In reply to] Can't Post
I cant remember where i optianed this, but someone told me that fish use some kinda cimical to tell how much growing room they have. So he told me to Do water changed to Speed up the growing prosses. Is this true?


zoul
Member

Aug 15, 2006, 8:59 AM

Post #11 of 19 (2529 views)
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Re: [MakubeXXX] Jumbo sized koi [In reply to] Can't Post
Dear MakubeXXX

If your fish is just lying at the bottom of the pond i would say its unwell. Check your water peramitors. If you keep on top of the water quality and work hard on keeping all the things as close to perfect as possible, your fish should have no problems.

I hope you quarentined your fish before putting it in the pond.

If you have optomum conditions good filteration and not to many fish, with a balanced and varied diet. Things should be fine.


dechoong
Member


Dec 1, 2006, 2:01 AM

Post #12 of 19 (2181 views)
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Re: [MakubeXXX] Jumbo sized koi [In reply to] Can't Post
Hi,

Quote

I have just bought a Japan imported Kohaku (73cm) - 6 years old and I am trying
to maximize its growth so that it can reach 80 or even 90 cm.

Your pond depth is good but lacks the overall dimension for a koi to extend itself physically. Depth is good for building and maintaining body mass but overall conformation and body strength may be compromised by a lack of swimming space.

With regards to your kohaku, don't bet on it reaching 80cm. For a koi to have a shot at 80cm, it needs to surpass 70cm before its 4th year.

Cheers,
Dennis


tangigi3
Koi Lover


Dec 22, 2006, 1:58 PM

Post #13 of 19 (2009 views)
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Re: [dechoong] Jumbo sized koi [In reply to] Can't Post
I helped a friend harvest some 1 and 1/2 year old kois from the mud ponds. the bigs ones were above 55 cm and they came out long and slim.
The kois were checked and quarantined for any problems. after that, they will be placed in a normal 60 ton concrete pond to be fattened up. When they achieve the ideal body shape, back into the mud pond they go for more another 4 months for more length. and the cycle continues.

from my observation, very few kois reach the super jumbo status. its like people, not every tall parents produce a yao ming.

am happy if they reach 72 cm with a nice body

Lar


KoiLuv
Koi Lover

Dec 22, 2006, 4:56 PM

Post #14 of 19 (2008 views)
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Re: [tangigi3] Jumbo sized koi [In reply to] Can't Post
Hi tangigi,

how big is your friend mud pond (length, width and depth)? and how long the koi should be in the 60 tons pond in order to built up body shape?

regards,

Koiluv


thiamhwa
Member / Moderator

Dec 22, 2006, 5:13 PM

Post #15 of 19 (2004 views)
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Re: [tangigi3] Jumbo sized koi [In reply to] Can't Post
Hi Lar,

Would you mind sharing with us the varieties of koi's food which was fed to fatten up the koi and
how many times of feeding per day while being placed in the 60 ton concrete pond. Thank you.

Regards,
Thiam Hwa


(This post was edited by thiamhwa on Dec 22, 2006, 5:19 PM)


sunshinekoi
Member


Dec 28, 2006, 10:07 PM

Post #16 of 19 (1935 views)
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Re: [dechoong] Jumbo sized koi [In reply to] Can't Post
In Reply To
Hi,

Quote

With regards to your kohaku, don't bet on it reaching 80cm. For a koi to have a shot at 80cm, it needs to surpass 70cm before its 4th year.

That's an experience talk!!! I need to try that guideline! Laugh Thanks Dennis SunshineSly


tangigi3
Koi Lover


Jan 29, 2007, 10:24 AM

Post #17 of 19 (1711 views)
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Re: [thiamhwa] Jumbo sized koi [In reply to] Can't Post
there are several mud ponds. Some are 25 sqm, some are 50 sqm. some are even bigger. the depth is usually 7 to 10 feet. its aerated.

Most of the growers here use aquaculture feeds high in animal protien, 45%. they are fed 3% of body weight spread over 4 feeding. 8 am, 11am, 2 pm, 5 pm.

Lar


tangigi3
Koi Lover


Jan 29, 2007, 10:31 AM

Post #18 of 19 (1710 views)
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Re: [KoiLuv] Jumbo sized koi [In reply to] Can't Post
Hi Koiluv,

Based on our experience, it takes a month or so to fatten it up, it really depends on the individual koi. there are some 2 year old kois that reach 60 out of the mudpond, some the usual minimum 40 plus cm

lar


thiamhwa
Member / Moderator

Jan 29, 2007, 1:44 PM

Post #19 of 19 (1700 views)
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Re: [tangigi3] Jumbo sized koi [In reply to] Can't Post
Hi tangigi3,

Thank you very much for sharing the information regarding the feeds and nos. of time per day.

 
 
 



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