Jose s Marneck chooks

[Chooks man]

Black Tail Buff on Wheaten based chick down is really not that hard to produce on Columbian based only(just look at New Hampshires), Db is closely linked to Pg(pattern gene) and Melanotic(Ml) breeds that it's found is on Hamburgs(pencilled, spangled and laced) and in Birchen based Lacing(Polish, Orps). is highly unlikely that it's on the old strain Marans, a test mating to a solid black bird should clarify the mutation(chick down will be dark brown instead of black)[/QUOT

you are alright .
I just postted a photos of a cockerel Db based marans .

there is a lot of marans genes are lost . even recently . now the French Bluc want to remove the solid black variety . because they can not breed it true any more they mixed it with a BC and selected for hackle marking .it is a reaon we have soo many Black hens come out of any BC marans line .
marans in the old day before the 40th/50th have a rich and wide genome .they where never bred to they full glorry .

chooks man

 

[Chooks man]

Black Tail Buff on Wheaten based chick down is really not that hard to produce on Columbian based only(just look at New Hampshires), Db is closely linked to Pg(pattern gene) and Melanotic(Ml) breeds that it's found is on Hamburgs(pencilled, spangled and laced) and in Birchen based Lacing(Polish, Orps). is highly unlikely that it's on the old strain Marans, a test mating to a solid black bird should clarify the mutation(chick down will be dark brown instead of black)

@nicalandia

here some photos of the chooks I test matted in 2016 for the Co or Db genes. the cockerel is Recessive white { White Storm} from BTB marans .
2 hens I used to test are 1 BC marans { Tobby} the other Birchen marans{Oslo}

Birchen hen Oslo on the right
BC hen Tobby on the left head down

progeny .cockerels
from Oslo

from BC hen Tobby

lost the 2 coclumbian chicks .
the BTB did grow up tomaturity

this guy is ER/Ewh .s+/s+. Db/db+ . not Co.

chooks man

 

[nicalandia]

Db will turn E or ER to Dark Brown color instead of black, I do not see any E or ER based chicks on the pics you posted.


Do you have pics of any Db/Db or Db/db+ females, the effect on females is very different from Comlumbian restriction.

 

[Chooks man]

Db will turn E or ER to Dark Brown color instead of black, I do not see any E or ER based chicks on the pics you posted.


Do you have pics of any Db/Db or Db/db+ females, the effect on females is very different from Comlumbian restriction.

only got 2 silver columbian cockerels from the birchen hen
and 3 red cockerels from the BC hen .
I know the Db has a different affect on the female . but just seeing the male progeny is enough to prove the white rooster white storm carry the Db not Co .
if he was Co based .he will not throw columbian chicks silver with a birchen hen and rod with a BC hen .. all the chicks will be Er looking .Co is recessive to ER. not Db .

chooks man

 

[nicalandia]

Co is recessive to ER. not Db .

Perhaps on homozygous ER/ER birds Columbian might be hypostatic to ER, but Not in their Heterozygous form not even Extended black(Especially E/eWh) is immune to the effect of Columbian(E/eWh Co/co+ often resemble Birchen ER/ER phenotype, ER/eWh may be even more restricted, perhaps not completely Black Tailed)

 

[Chooks man]

Perhaps on homozygous ER/ER birds Columbian might be hypostatic to ER, but Not in their Heterozygous form not even Extended black(Especially E/eWh) is immune to the effect of Columbian(E/eWh Co/co+ often resemble Birchen ER/ER phenotype, ER/eWh may be even more restricted, perhaps not completely Black Tailed)

I like this conversation ,but I think we star to go far away from the purpose of this thread .Breeding Marneck chooks .

Can we move this conversation into new thread { I don t know how to do it }, I like to contenue .very interesting .
I have a lot photos of a lot marans crosses .we have a lot to talk about ,coulour pattern and genetic .

thank you .
chooks man

 

[Chooks man]

ordered 4Dz Nacked Neck fertile eggs from 2 breeders .2 Dz from each .
soon I will have all the breeds . Marans .CLB and NN

chooks man .

 

[nicalandia]

I like this conversation ,but I think we star to go far away from the purpose of this thread .Breeding Marneck chooks

Yeah, I was thinking about that too.. Getting carried away on the different effects of Co vs Db while very interesting indeed and needs it´s own thread.

I will start a very similar project to yours, but mine will be more on the egg laying side(wanting to produce 290+ green eggs per year), using my Isa Brown Rooster with Single Combed EEs(regular looks, no muffs or breads), mine will not breed true due to me wanting to keep Heterozygosity at its maximum(to boost egg laying potential and any health benefits to the long laying hens)

 

[Chooks man]

Yeah, I was thinking about that too.. Getting carried away on the different effects of Co vs Db while very interesting indeed and needs it´s own thread.

I will start a very similar project to yours, but mine will be more on the egg laying side(wanting to produce 290+ green eggs per year), using my Isa Brown Rooster with Single Combed EEs(regular looks, no muffs or breads), mine will not breed true due to me wanting to keep Heterozygosity at its maximum(to boost egg laying potential and any health benefits to the long laying hens)

sound great .we will have a lot to talk about .
breeding new strain from scratch always interestted me .

chooks man

 

[nicalandia]

Breeding new strain from scratch always interestted me .

chooks man

Most of the work has been done already for Us

I wonder how long would take us if we had to work with Red Jungle Fowl? I supposed that with the Knowledge we have about breeding and genetics now a days it would take aboult half or a quarter of what it took before(from the domestication of RJF to today´s high performance strains like Isa-Hyline lines, which is about 6,000 Years Ago)