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Omosako Shiro - yellowish head

johnteo
Koi Lover

Aug 2, 2006, 11:40 AM

Post #1 of 13 (1377 views)
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Omosako Shiro - yellowish head	Can't Post

Hi guys, Just like to share with you what I came across last night. The latest issue of Koi-carp magazine had an article on Omosako Koi Farm and their champion "Musashi". In the article, they have a few before and after pictures of beatifully Shiros from their farm and what I see is that most of the young shiros have yellowish head but eventually turned white. According to the article, yellowish head is not a concern as it should turn white if the shiro is from a good bloodline. Furthermore, the article pointed out that sexing young shiros is almost an impossible tasks.

I noticed that quite a number of the shiros in our grow out event has yellowish head. I believe that this should not be a problem after reading the article. By the way, some of the shiros in our event look better than those young shiros featured Sly

. Will try to remember to bring the magazine on 26th Aug.

alex-san
Koi Lover

Aug 2, 2006, 6:49 PM

Post #2 of 13 (1340 views)
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Re: [johnteo] Omosako Shiro - yellowish head [In reply to]	Can't Post

I shouldn't worry about their yellow heads as I believe this is the same for all young koi, only more obvious on the white ones. This yellowing is caused by the skin being more see-through on the head than the thicker reflective scales of the body. As the koi grows and matures it puts weight on and a layer of fat fills out the head, insulating the skull and the white skin becomes brighter. Lower quality koi can have duller skin but even the best can look a little yellow under the wrong light, such as strong photo flash.
Hope this helps and would love to see how your shiros' are getting on.

www.koi-carp.blogspot.com

s_clan
Koi Addict

Aug 11, 2006, 12:43 PM

Post #3 of 13 (1175 views)
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Re: [johnteo] Omosako Shiro - yellowish head [In reply to]	Can't Post

ohnteo...

Yes....alex-san is right.....also, male koi tend to get yellow heads.... Tongue

This is most noticable in the go-sanke koi varieties... Smile

With regards, Jarvis

I LOVE THE COLOUR ORANGE
----------------------------------------------------------
1 Kohaku (male)
1 Doitsu Kohaku (female)
1 Taisho Sanke (male)
1 Asagi
1 Kujaku
1 Sakura Ogon
1 Tancho Sanke
1 Karasugoi
1 Ki Matsuba
----------------------------------------------------------

Tan Lee King
Member

Aug 11, 2006, 11:28 PM

Post #4 of 13 (1134 views)
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Re: [s_clan] Omosako Shiro - yellowish head [In reply to]	Can't Post

In Reply To

ohnteo...

Yes....alex-san is right.....also, male koi tend to get yellow heads....

This is most noticable in the go-sanke koi varieties... Smile

Isn't Shiro more noticeable than go-sanke?

cheers... Sly

s_clan
Koi Addict

Aug 12, 2006, 12:03 PM

Post #5 of 13 (1106 views)
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Re: [Tan Lee King] Omosako Shiro - yellowish head [In reply to]	Can't Post

Tan...

Yes....true that too...but some shiro's may still have yellow heads even if they are females.... Smile

alex-san
Koi Lover

Aug 12, 2006, 11:15 PM

Post #6 of 13 (1087 views)
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Re: [Tan Lee King] Omosako Shiro - yellowish head [In reply to]	Can't Post

I believe this is because females are fatter than males.
I was told Shiro Utsuri is now the fourth member of Go-sanke. I think the mixture of black and white brings out the imperfections more than other colours. Shiro Bekkos often have the same problem.

www.koi-carp.blogspot.com

Tan Lee King
Member

Aug 16, 2006, 5:50 PM

Post #7 of 13 (966 views)
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Re: [alex-san] Omosako Shiro - yellowish head [In reply to]	Can't Post

In Reply To

I believe this is because females are fatter than males.
I was told Shiro Utsuri is now the fourth member of Go-sanke. I think the mixture of black and white brings out the imperfections more than other colours. Shiro Bekkos often have the same problem.

www.koi-carp.blogspot.com

Hi Alex,

Shiro = Gosanke? Crazy

Can you elaborate? Isn't it a breaking news?

Tan Lee King ... Cheers Sly

alex-san
Koi Lover

Aug 16, 2006, 11:22 PM

Post #8 of 13 (950 views)
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Re: [Tan Lee King] Omosako Shiro - yellowish head [In reply to]	Can't Post

Hi Tan Lee King,

Shiro Utsuri becoming a member of Go-sanke is not breaking news but something that's been slowly evolving for a long time. Shiro utsuri was stabilized around 1927 about the same time as showa's but the sumi was not good enough to be considered to join kohaku, sanke and showa in Go-sanke. These koi have traditionally always won at the shows but recently in the last 15 years breeders like Omosako have developed the shiro utsuri to such a level with ink black sumi and crisp white skin that they are starting to challenge. They have won at a few shows around the world and are now very collectable. For these reasons plus the skill needed to breed them many people now consider shiro utsuri Go-sanke. Officially no statements have been made about their change in status and not everyone agrees but if their popularity continues to grow a shiro utsuri winning grand champion in Japan is possible and things would change.

Note we are talking about Shiro Utsuri here and not the other Utsuri varieties. Hope I've made myself clear. Wink

www.koi-carp.blogspot.com

sankekoromo
Member

Aug 17, 2006, 5:29 PM

Post #9 of 13 (906 views)
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Re: [johnteo] Omosako Shiro - yellowish head [In reply to]	Can't Post

In Reply To

I noticed that quite a number of the shiros in our grow out event has yellowish head. I believe that this should not be a problem after reading the article. By the way, some of the shiros in our event look better than those young shiros featured Sly

. Will try to remember to bring the magazine on 26th Aug.

White pattern on black canvass. Must wait for the shiroji to become thicker with age that's why priority comes first for shiroji than sumi when choosing Shiro Utsuri of a reputatable bloodline cos sumi definitely will come naturally later. Smile

Thanks
Koh

sankekoromo
Member

Aug 17, 2006, 5:46 PM

Post #10 of 13 (900 views)
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Re: [alex-san] Omosako Shiro - yellowish head [In reply to]	Can't Post

IMHO Shiro Utsuri through fast becoming popular with fellow hobbyists worldwide will not become 4th member of the Go-Sanke yet not at least in the near future. Unsure

The success of just a single or couple of Japan koi farm will not propel this variety into the 'Royal 3 families' group. A small handful of Oyagoi being able to produce great Shiro is risky. When these Oyagoi are gone the success that we all come to know will not be able to continue. More and more koi farm must be able to produce great Shiro as well that's when the competition get started. Smile

Thanks
Koh

alex-san
Koi Lover

Aug 18, 2006, 2:13 AM

Post #11 of 13 (861 views)
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Re: [sankekoromo] Omosako Shiro - yellowish head [In reply to]	Can't Post

Dear Sankekoromo,

I agree with you that the popularity will not make Shiro Utsuri become a Go-sanke but the increase in quality may do. People often don't like change and the koi world is often based on tradition but I have heard people refer to shiros as Go-sanke. Look at doitsu koi they came about by breeding koi with German carp and now new varieties have been developed.

Relying on a few Oyagoi to produce great Shiros is very risky but the breeders are working hard to strengthen the blood lines. This is a problem for all top koi breeders not just with Shiros. I don't think more koi farms breeding Shiros will vastly improve competition but more Oyagoi to produce show winners is important. In Niigata there are more than 500 koi farms not counting the rest of Japan and only a handful produce show winning koi. The top 5 koi at The All Japan Show this year were all Kohaku, the top 3 were all from Sakai Hiroshima koi farm all bred from the same blood lines they have used for years. Sometimes breeders will borrow koi from hobbyist to introduce new blood. Kohaku will always be top but may soon be joined by Shiro Utsuri. Showa and Shiros are similar although Showas are harder to produce because of the greater culls and skill needed for three colours. They had a head start being concentrated on many years earlier but now they have closed the gap.

My opinion is that quality should come before quantity, and I might be wrong but if Shiros are good enough then they should be part of Go-sanke. Smile

www.koi-carp.blogspot.com

(This post was edited by alex-san on Aug 18, 2006, 3:10 AM)

Tan Lee King
Member

Aug 21, 2006, 1:30 PM

Post #12 of 13 (770 views)
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Re: [sankekoromo] Omosako Shiro - yellowish head [In reply to]	Can't Post

Hi Mr. Koh and Mr. Alex,

Having a chance to chat with one of the ACJ recently, I received a divisive opinion from him. According to Alan, the ACJ from singapore, Shiro is grouped with Gosanke, NOT grouped as Gosanke. The reason is Shiro is NOT a Gosanke and we have to address the quadrets as Gosanke and Shiro, NOT Gosanke alone.

Tan Lee King-Hope some can give a more reliable source. Pirate

alex-san
Koi Lover

Aug 21, 2006, 9:00 PM

Post #13 of 13 (734 views)
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Re: [Tan Lee King] Omosako Shiro - yellowish head [In reply to]	Can't Post

Having spoken to members of the BKKS I have to agree that Shiro Utsuri are not part of Gosanke because the name comes from three powerful ruling families famous in Japan. For Shiros to join would mean kicking out a current member which is not likely soon. A new name for the top 4 could have been created but of this I don't know.

I am happy to leave it that Shiros are not Gosanke but can be compared as possible challengers from now on, unless someone can correct me. Cool

www.koi-carp.blogspot.com

(This post was edited by alex-san on Aug 21, 2006, 9:01 PM)

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