Icelandic Chickens

[cherylcohen]

Quote:
sounds like your daughter needs a place of her own!

sportmans...hmm thought about it...got one for me

my birthday is in june - just think if everybody donated a dollar..... I know I know

 

[Greybear23]

You Ladies are way too funny!!!!

This is the exact reason my wife did not want me to have an incubator!!!!

Well she loves me

and let me barrow the neighbors

but he couldn't find his small round one and brought me his Sportsman!!!!

Got 45 eggs due to hatch on the 23rd and another 50 due to hatch on the 4th of March!!!

Lynn

 

[greatergraceoffbg]

Since we seem to have every variety of comb type in the world, here is an overview of comb genetics for those who find this interesting stuff:

Genetics of comb type:

Comb type in chickens is due to two genes, the rose comb gene, R, and the pea comb gene, P. These two genes are on different chromosomes. The lack of these genes is represented with lower-case letters, r and p. More correctly stated, r and p (or r+ and p+ to indicate they are the wild-type genes) are the genes that replace R and P when they are not present. A chicken with a single comb is lacking both R and P genes and so could be represented as (r, r) for rose comb and (p, p) for pea comb. Some authors will combine this ‘notation’ and write (rrpp) to represent the genes for single comb. I prefer the first way of writing the genes for the purposes of this text.

A chicken with a rose comb will have one of the gene combinations: (R, R) with (p, p), or (R, r) with (p, p). A bird with a pea comb will have (r, r) with (P, P), or (r, r) with (P, p). Since one copy of the rose or pea gene is sufficient for that comb type, these genes can be thought of as dominant. However, they act together to create the walnut comb when both rose and pea comb genes are present.

Poultry with a walnut comb have at least one copy of both the rose comb gene and the pea comb gene. The gene combinations that give walnut comb are: (R, R) with (P, P), (R, r) with (P, P), (R, R) with (P, p) and (R, r) with (P, p).

To explore the genetics of comb type, let’s cross a pea comb chicken, (r, r) with (P, p), and a rose comb chicken, (R, r) with (p, p). Because two genes on different chromosomes are involved, there is more bookkeeping than if there were only one gene involved, but the principle is the same and no more difficult. We first have to consider the combinations of the rose comb genes of the two parents, then the combinations of the pea comb genes of the two parents. Then we realize that each of the rose comb combinations can occur with each of the pea comb combinations. In the end there are 16 combinations in all.

The four possible combinations for the rose comb genes from the two parents are: (R, r), (R, r), (r, r) and (r, r). The four combinations for the pea comb genes from the two parents are: (P, p), (P, p), (p, p) and (p, p). Since each of the four rose comb combinations can occur with any of the pea comb combinations, we now have to consider each of the rose comb combinations with each of the pea comb combinations (16).

The figure above shows how to make a helpful drawing. Make a list (column) of the four rose comb gene combinations on one side and the pea comb genes on the other side. The combinations of the first rose comb gene pair with all the pea comb gene pairs is shown in the figure by the connecting arrows. Considering the (A, a) of the drawing to be (R, r), the possible combinations of the first rose comb gene pair with the pea comb gene pairs are: (R, r) with (P, p) twice [we get this combination twice], and (R, r) with (p, p) twice. The second rose comb gene pair with the pea comb genes gives the same combinations: (R, r) with (P, p) twice and (R, r) with (p, p) twice. The third rose comb gene pair with the pea comb gene pairs gives: (r, r) with (P, p) twice and (r, r) with (p, p) twice. The last rose comb gene pair with the pea comb gene pairs gives the same: (r, r) with (P, p) twice and (r, r) with (p, p) twice.

So, of the 16 possibilities, four of them are (R, r) with (P, p) and is walnut comb, four are (R, r) with (p, p) and is rose comb, four are (r, r) with (P, p) and is pea comb, and four are (r, r) with (p, p) which is single comb. We have four out of 16 chances (25% chance) to get a walnut comb from this cross, four out of 16 chances to get rose comb, four out of 16 chances to get pea comb and four out of 16 chances to get single comb.

 

[kathyinmo]

Andy, I do not believe chicken genetics work in landrace fowl, like Icelandics. Don't we have several examples of that already?

 

[heritagehabitatfarms]

you lady's have it bad lol but not as bad as me

ive had my big old (1950ish) redwood incubator going constantly sense last may lol... it will hold 500 eggs but ive never had if full lol... i normally hatch once a week and do anywhere from 15 to 50 chicks... that's y u don't see many pics from me on here i don't have time to take them lol... but i love looking at y'all's pic's and im really thinking ill get some Icelandic Chickens this year...

me and biomistake just need to drive up to see u (kathyinMO)and bring home a bunch of birds lol...

 

[heritagehabitatfarms]

Quote:
ohh they work lol just way to many modifiers to be predictable...

 

[greatergraceoffbg]

Honestly Kathy, I don't know, in my observations I think I am recording partial and yet incomplete genetic patterns. An example is the Tux hen that popped up in your group of babies when all we saw for the last three years was Tux Roosters. Is that a confirm on that hen by the way?

I should have notated that the genetics I posted were observed and recorded in non Icelandic domesticated fowl.

It does state the genetic code for "wild type" which is in a sense going back to Landrace, however, the unique genetics of the Icelandics as we have read here, if it is indeed true and can be confirmed places them actually in a category totally different from "chickens" .

I am actually working very very hard to track down this information and would appreciate any input from you, mary or anyone who knows the source of this knowledge. I have located some folks via facebook who have Icelandics and live in Iceland. I also spoke with the man who has birds that lay darker eggs, but he truly believes he has Icelandics and he tells me that he speaks with Sigrid regularly, I don't know why she doesn't get into this chat any more though and didn't want to pry.

So far, although people have heard the same sort of information we have on our thread, none of them know the source either, and until i get to it I will feel that the information is suspect in my mind. But I am a persistent person and will persevere until I find out where this came from, if its indeed true and until then continue to observe and record.

Its fun regardless and I am enjoying the hunt!

Andy in Fredericksurg

 

[phasianidae]

Quote:
What examples?

 

[Camelot Farms]

Todays tally ended at 1.
The zip zipped and is now happily running around the brooder with his buddy, Von.
The pip stalled and died.

Next up...5 eggs are on day 19 tomorrow so any time now....

Will get a pic of Von's buddy tomorrow. He is a beautiful reddish brown.

 

[greatergraceoffbg]

Camelot I had one pip n die too... it happens.

Well, its about 1 AM here at the Coffee House, I'm up making Gumbo and a baby hatched, I still had two eggs that I had put in the incubator before the grand 24 arrived. So one is out and loud about it, a beautiful almost golden color I have never seen. The feet are huge, I want to remember that and see if its a sex linked trait, such as roos have bigger feet. I never noticed this before and of course it could just be this one chick. I had the funniest thing happen, I opened the Brinsea, and put my hand down to scoop the biddie up and it literally hopped into my hand and immediately fell asleep. I think it adopted me, one thing is for sure it had the affect of making me its committed protector patriarch. What a great night this is.

I am making notes here while I can because I can review this thread later as a reference. I have three Lyle Behl Descended babies exactly the age of the babies of Kathy's. All of three LBD babies have tiny crests, some will mature and some seem to fade away is my experience. Kathy's don't display any crest at all. All three of the LBD babies are smaller by a third than Kathy's. Two of Kathies have leg feathering, one just half way down the leg, the other to the toes. Both were lighter downed babies now feathering our brown with light barring. All of the LBD babies have tiny white dots on the end of their feathers, all were hatched with the "chipmunk" down pattern but one that was blonde. The legs of the LBD birds have a very very slight grey tint to them as well that is not present in the pinkish legs of Kathy's. Since Kathy's came from Mary then these are traits that will be the same in my RALA birds from Mary, that I have paired up and caged for spring egg collecting. I see pictures in the thread of some of Kathy's birds that appear spangled or mottled, is that correct Kathy? I looked back in pics and see a crest on Mary's mama Icelandic, I'm wondering what combo of genes left Kathy without the crest genes? It is an interesting discovery that this CAN happen! We may keep an eye on that Kathy and see if maybe WAY down the line a crest doesn't show up.

Ok, enough of my Obsessive Compulsive Blessing here!
Midnight genetics is fun 101, but the Roux needs to be stirred or we ain't got no Gumbo for lunch tomorrow! Nighty night peoples!

Hey Mary! If you're happy and you know it clap your hands!

I just HAD to do that!

Andy at 1:21 AM in Fredericksburg