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PostPosted: Wed Jul 13, 2011 11:13 am 
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crossings to avoid
Mating or crossing to prevent

Brother x Sister
Increased risk of transmission of defects, mortality in the egg.

Crested x Crested
Lethal factor
White x White dominant dominant

Lethal factor
Schimmel (long feathers) x Schimmel (long feathers)
Risk of follicular cysts or lumps

Intensive (short feathers) x Intensive (short feathers)
Makes the pen brittle, lack of feathers in some places and more, eventually crossing the youth of such couplings is a lethal factor.

Recessive x recessive
Risk of degeneration in the long run, decreased size, decreased quality of color, sickly birds.

Red Eye x Red Eye
Risk of degeneration in the long run decrease in the size, puny bird, the egg mortality, mortality in the nest.

Opal x Opal
Risk of degeneration in the long run, decreased size, decreased quality of color, sickly birds.

Recessive white x recessive White
100% recessive white, such crossings will give long-term risk of degeneration in the long run, decreased size, decreased quality of color, sickly birds.

Dominant white x recessive White
50% white dominant / recessive white carrier and 50% yellow / carrying recessive white, 100% of carrying recessive white, to avoid crossing. Because it will bring no improvement in the quality of the recessive white, even the use of carriers of recessive white yellow comes from such a cross will not give any improvement.




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 Post subject: Re: crossings to avoid
PostPosted: Wed Jul 13, 2011 3:03 pm 
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Thank you Mr. Abu Seir for this topic. Really everyone has to know these facts about breeding to avoid them in the future.

Your participation and topic are much appreciated



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 Post subject: Re: crossings to avoid
PostPosted: Wed Jul 13, 2011 4:59 pm 
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You mostly welcome.
Some of these crossing is forbidden and should not be crossed and they considered as I clarified Lethal Factors.

I edited the title of the topic to be appropriate with the content



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PostPosted: Sat Sep 24, 2011 9:54 am 
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Alsalam alaikom wa rahmat alaah taala wa barkath - Hi all

My dear brother Abdo Abu Seir
Mhkour these tips of paramount importance
Pay attention if a teacher will avoid many problems
Thank you
I hope that the intent is clear because my English is weak :mrgreen:
Greetings

. Image Abo aljoud Image .




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Breeder: Syrian Canary (Balady), But I wish to breed all kinds of Canaries & mosaic & Golden finch
PostPosted: Thu Sep 29, 2011 5:26 pm 
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Hi abu aljoud
Your english is better know.
Go on so as to be very very active here as in the arabic forum

Good luck



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PostPosted: Sat Oct 01, 2011 1:04 pm 
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Alsalam alaikom wa rahmat alaah taala wa barkath - Hi all

My dear sir Abdo Abu Seir
God willing, we are working on that
It saddens me, but I post the rest of the brothers
I hope that the intent is clear because my English is weak :mrgreen:
Greetings

. Image Abo aljoud Image .


Abdo Abu Seir wrote:
Hi abu aljoud
Your english is better know.
Go on so as to be very very active here as in the arabic forum

Good luck




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Breeder: Syrian Canary (Balady), But I wish to breed all kinds of Canaries & mosaic & Golden finch
PostPosted: Sat Oct 01, 2011 2:41 pm 
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Brother Abu Rami Thank you for this wonderful and useful topic

This problem Many educators Located where




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PostPosted: Fri Oct 07, 2011 6:57 pm 

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Hi Mr. Abdo Abu Seir, thank you for your post.
I would be grateful if you could let me know, in the case you wrote "Recessive x recessive Risk of degeneration in the long run, decreased size, decreased quality of colour, sickly birds",
Is it true for all kinds of mutations in canaries?
Do you know the reasons why it happens?
Is it possible to avoid those risks?
When you write "in the long run" how many generations does it means?, approximately.
Thank you very much, for your answers.



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Breeder: Canary: Red and Yellow.
PostPosted: Thu Oct 13, 2011 5:33 pm 
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Welcome Mr. Aliskander:
Thank you for your good questions.

In General the recessive mutations are week not like the domminats, so if you have a recessive color for example and you want to be good as possible and keep its color powerful and satandard you should pairing it to canary that carry the mutation or to one that has not the mutation which is of cource the color.
If you continu to pair recessive to recessive for many years you will see that the birds become weak and get sick easily also the color not be as it should be.
In genearl it is not recommend to pair for more than 5 years, if so you should stop and chang the blood ( get new canaries and pair them with one you have) so as to avoid any compliactions that you may face.
This is for recessive mutations only.
Also non intensive with non intensive for long run, should be avoided, it causes feather lumps like in gloster and border and norwich.



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PostPosted: Sat Oct 15, 2011 9:37 pm 

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Thank you very much Mr. Abdo Abu Seir, I really appreciate your answers.

Actually I am thinking of breeding one of the two latest mutations in canaries.
The beak, legs and fingers pigmented with red or with yellow colour one, called commonly red-beak or yellow-beak, in Brazil is called Urucum.
This mutation is recessive and “autosomica”, and the red beaks should be fed with “carophyl” or similar in their menu, to get an intensive and bright red beak. This mutation also extends the colour trough the feather in a more homogeneous and a bit more intensive way, even in the “nevados” (I’m sorry I don’t know the word in English) those whose feathers are not pigmented completely and have a bit of white in their ends, in this mutation the white ends of this feathers is pigmented too, but less than the rest of the feather. Those with ivory mutation will also pigment their beak and legs but only a 50% of intensiveness. As far as I know these canaries are being broad in some European countries like Spain, Italy or Holland and in Brazil, Algeria and the U.S.A.

The other mutation I’m thinking off is the “Jaspe” which has been introduced in the canary by a breeder from Spain. It causes an intense dilution in the “melaninas” and in the “pheomelaninas”, and it may be expressed in two ways Simple Dilution (SD) and Double Dilution (DD) because it is a dominant mutation. This mutation is widespread in many countries.
This wonderful mutation opens a lot of new possibilities of new crossings in the “melanics” canaries.

Best Regards



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