Autosexing Delawares........Help

[Autosexingwares]

what would it take to create Autosexing Delawares? can you help me?

 

[nicalandia]

what would it take to create Autosexing Delawares? can you help me?

Silver Welsummer Hen is your ticket to Autosexing Delawares, pretty easy Autosexing project, kind of like the Rhodebar project where going back to Parent line with e+/eWh F1 but easier as the Parent on this case is already barred and has good type..

 

[Autosexingwares]

Silver Welsummer Hen is your ticket to Autosexing Delawares, pretty easy Autosexing project, kind of like the Rhodebar project where going back to Parent line with e+/eWh F1 but easier as the Parent on this case is already barred and has good type..

what is e+/ewh and what is going back to parent line?

 

[nicalandia]

what is e+/ewh and what is going back to parent line?

you see eWh is the wheaten e allele, impossible to autosex, so we need e+ from the silver welsummer so a cross of both breeds will produce e+/eWh chicks, this males will be cros back to delaware to produce better e+/eWh chicks...

 

[nicalandia]

keep us updated on your project

 

[tadkerson]

You can not produce an autosexing delaware. The breed is either autosexing or not autosexing.

I am going to have to disagree with Marvin. Hybrids are not an autosexing breed; especially columbian restricted birds. There is not only the problem with columbian restriction but the birds are also hybrids. If you cross the two hybrids they will produce some chicks that can not be autosexed. The addition of the wild type allele at the E locus ( a wheaten/wild type hybrid) can produce striped backs on the hybrid chicks but the columbian gene will lighten the color on the back as will the barring gene.



Tim

 

[nicalandia]

Quote:
since chick color Down is not part of any the SOP I doubt Autuosexing Delawares would look any different than your every day Delawares and the SOP is all about phenotype not genotype right?

 

[nicalandia]

Quote:
Tim I did said to keep breeding back the e+/eWh birds back to Delaware parents as to make them true delawares and not Hybirds(F1 cross)... Columbian and Autosexing trait(wildtype + sexlink barring) dont conflict with each other, case in point Rhodebars

 

[tadkerson]

Quote:
The adult phenotype of a wild type, columbian restricted and barred bird is different than the columbian phentype found in the delaware. The wheaten or brown locus are used in columbian birds for a reason- nice clean backs on the adult females.

Also wild type, barred, columbian restricted chick down phenotype will not work as autosexing down. Do not know where you are going with the question.

You proposed a hybrid and that will not work as an autosexing breed. Like I said before hybridizing the E locus ( wheaten/ ?) will produce striped down that is different than wheaten down (white /cream). If the hybrid chicks have the correct number of barring genes and no genes for columbian restriction ( Db,Co,?) then the chicken down can be sexed. The rest of the chicks in a hybrid cross will not have the same genotye. 1 in 4 will have wheaten down- and can not be sexed; the homozygous wild type chicks can be sexed.

I disagree with you; I do not believe an individual can produce a delaware adult phenotype that produces an autosexing down. Take it as that. Let the person decide if they believe you or me.

Rhodebars that are wheaten, barred and columbian restricted will not produce autosexing down. Rhodebar that are wild type, barred and columbian will not produce down that is autosexing. Some of the chicks can be sexed but some can not. Autosexing is 100%. I do not believe the autosexing rhodebar carries the columbian gene.

Tim

 

[nicalandia]

Quote:
Rhodebars are Wildtype Barred Columbian restricted and their chicks are Autosexing so its possible Tim