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I thought I'd submitted a post on this thread and was waiting for approval, but it hasn't appeared.   If I was starting with two birds and wanted to establish a line of 'peas-in-a-pod' poultry, I wo

Keep it simple weń outxing go back to birds with similiar Linus in the back of them , also weń stock bred right thy usually influencethe out come , bred back to the established linę . One just needs

It's a hard question to answer in short on a forum such as this . There's books you can get that explain tried and tested methods by good men .

 

It's a hard question to answer in short on a forum such as this . There's books you can get that explain tried and tested methods by good men .

Cheers,

I know it's not an easy thing to do either! Can you recommend any good books?

Atb

there's a few but a quick search on google should give you what your looking for. My best advice is to read as much as you can, There's an old saying on the shoulders of giants we stand !
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It's a hard question to answer in short on a forum such as this . There's books you can get that explain tried and tested methods by good men .

Cheers,

I know it's not an easy thing to do either! Can you recommend any good books?

Atb

there's a few but a quick search on google should give you what your looking for. My best advice is to read as much as you can, There's an old saying on the shoulders of giants we stand !
Cheers Marshman.

Atb

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1 - ONLY BREED FROM STOCK WHICH REPRESENT THE STANDARDS
2 - STOCK WHICH DONT REPRESENT THE STANDARDS WILL ONLY PERPETUATE THE FAULTS EVIDENT
3 - THE OBJECTIVE OF LINE BREEDING IS TO ACHIEIVE A STUD OF BIRDS WHICH CLOSELY RESEMBLE EACH OTHER AND THE DESIRED STANDARD
4- THE TERM FAMILY LIKENESS IS OFTEN USED FOR EXIBITORS WHO BENCH A TEAM OF BIRDS OF SIMILAR QUALITY / RELATED LIKENESS
5- IDEALLY WHEN LINE BREEDING A 3 YEAR PROGRAMME IS THE MIN TIME SCALE BY SIMPLY ROTATING THE BEST 2 MALE BIRDS BETWEEN THE BEST 4 FEMALE BIRDS IN THE 1ST YEAR A CLOSED FAMILY GENE POOL IS CREATED. YEAR 2 IS SELECTING THE BEST COUSIN TO COUSIN MATING . YEAR 3 AUNT TO NEPHEW OR UNCLE TO NIECE.
6 - FATHER TO DAUGHTER / MOTHER TO SON IS PERMITTABLE EVERY 3RD GENERATION NOTE OVER USE OF THIS MATING CREATES A TOO SPARSE GENEPOOL.
7 -OUTCROSSES (FRESHBLOOD CAN BE ADDED BUT WITH CAUTION AS YEARS OF SELECTIVE BREEDING CAN BE LOST IF RASH DECISIONS ARE MADE . THE KEY POINT IS 2ND GENERATION OUTCROSSES SHOULD BE INTRODUCED INTO THE STUD HENCE BIRDS ARE ALWAYS RELATED AND SURPRISES IN THE NEST ARE KEPT TO A MINIMUM
8 -FINALLY TO CONCLUDE LINE BREEDING IS NOT DIFFICULT BUT 1 ISSUE HAS BEEN MENTIONED ACCURATE RECORDS IS CRITICAL OTHERWISE FAILURE IS IMMENANT. icon_twisted.gif MY HEAD HURTS

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Keep it simple weń outxing go back to birds with similiar Linus in the back of them , also weń stock bred right thy usually influencethe out come , bred back to the established linę . One just needs comon sense and Lots a patencie,and know weń ta cull. Atb bunnys

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Make sure one of the birds has, or produces the traits that you want, and keep breeding back to it till all offspring breed true and produce the desired traits

thats just inbreeding not linebreeding and how are you supposed to carry it on after you have bred to it 4 times? not a very sustainable opinion on creating a line i dont think, you need 2 birds with the desired trait

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Make sure one of the birds has, or produces the traits that you want, and keep breeding back to it till all offspring breed true and produce the desired traits

 

thats just inbreeding not linebreeding and how are you supposed to carry it on after you have bred to it 4 times? not a very sustainable opinion on creating a line i dont think, you need 2 birds with the desired trait

 

And how are all lines created? From two.completely different birds, an outcross, then selectively bred till all off spring are alike, inbreeding is releative to relative, you can only inbreed once you have linebred

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you can only inbreed once you have line bred? buy 2 unrelated chickens then breed a daughter back to the father, thats inbreeding. i dont think you really know what you are on about you state that you selectively breed till you get the desired trait but you dont state how, that is a broad statement

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I thought I'd submitted a post on this thread and was waiting for approval, but it hasn't appeared.

 

If I was starting with two birds and wanted to establish a line of 'peas-in-a-pod' poultry, I would take the best stag from the first hatch and put him over his dam, and I'd use the original broodcock over the best of his pullets, single mated so that I could know the breeding of each chick and mark and record it accordingly.

 

Any birds which did not meet the strict desirable criteria would be culled. Not given away, to come back and bite me in the arse later on, or kept separate as a back-up. If they are not right they must be culled.

 

The original broodcock with his daughters, and the best F1 stag over his mother is the beginning of two lines of line-bred birds. Line breeding is the breeding together of related stock who are a generation (at least) apart.

 

Those two lines would be bred on to establish two families of fowl who would be very similarly bred, but they would be kept separate, single mated and their offspring marked, and records kept of each individual's breeding.

 

Select and cull every generation.

 

If and when it was decided that an 'outcross' was required, to invigorate stock or to prevent loss of size or some required quality, a carefully selected individual from one family would be used on a similarly selected member or members of the other family.

 

Select and cull constantly.

 

When the birds were beginning to show uniformity and vigour and fitted the required criteria, two or three pairs of siblings could be selected and paired up. Such breedings should fix type and various other qualities, such as laying prowess, or carcase quality, or gameness, or colour, for example. The resulting youngstock from these matings are used either to establish more lines, or are used in the established lines as before.

 

As long as the birds are good, and stock are healthy, you can be breeding back to original stock all the way through, as well as making up new broodpens as you go. Pullets to their sires, grandsires...and so on. As the lines are bred on, so the numbers culled should reduce for each generation...if you are getting it right.

 

Remember that genotype is the result of the genetic make-up of the individual, and cannot be seen, which is why strict records should be kept so that the genotype of each bird is identifiable; and phenotype is what is evident to the eye. Genotype and phenotype go forward through the generations...and carry with them any faults and weaknesses as well as desirable traits.

 

Select and cull constantly.

 

When enough quality birds are on the ground, and a type has been established and is maintained, that is the time to select a nice pen of broodstock to give away to a person with as good a mind and eye for breeding fowl as you have yourself, and that person will (hopefully) breed excellent stock from which you can always source a quality outcross whose breeding will be known and who will be closely related to your own stock.

 

Hope this helps.

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I thought I'd submitted a post on this thread and was waiting for approval, but it hasn't appeared.

 

If I was starting with two birds and wanted to establish a line of 'peas-in-a-pod' poultry, I would take the best stag from the first hatch and put him over his dam, and I'd use the original broodcock over the best of his pullets, single mated so that I could know the breeding of each chick and mark and record it accordingly.

 

Any birds which did not meet the strict desirable criteria would be culled. Not given away, to come back and bite me in the arse later on, or kept separate as a back-up. If they are not right they must be culled.

 

The original broodcock with his daughters, and the best F1 stag over his mother is the beginning of two lines of line-bred birds. Line breeding is the breeding together of related stock who are a generation (at least) apart.

 

Those two lines would be bred on to establish two families of fowl who would be very similarly bred, but they would be kept separate, single mated and their offspring marked, and records kept of each individual's breeding.

 

Select and cull every generation.

 

If and when it was decided that an 'outcross' was required, to invigorate stock or to prevent loss of size or some required quality, a carefully selected individual from one family would be used on a similarly selected member or members of the other family.

 

Select and cull constantly.

 

When the birds were beginning to show uniformity and vigour and fitted the required criteria, two or three pairs of siblings could be selected and paired up. Such breedings should fix type and various other qualities, such as laying prowess, or carcase quality, or gameness, or colour, for example. The resulting youngstock from these matings are used either to establish more lines, or are used in the established lines as before.

 

As long as the birds are good, and stock are healthy, you can be breeding back to original stock all the way through, as well as making up new broodpens as you go. Pullets to their sires, grandsires...and so on. As the lines are bred on, so the numbers culled should reduce for each generation...if you are getting it right.

 

Remember that genotype is the result of the genetic make-up of the individual, and cannot be seen, which is why strict records should be kept so that the genotype of each bird is identifiable; and phenotype is what is evident to the eye. Genotype and phenotype go forward through the generations...and carry with them any faults and weaknesses as well as desirable traits.

 

Select and cull constantly.

 

When enough quality birds are on the ground, and a type has been established and is maintained, that is the time to select a nice pen of broodstock to give away to a person with as good a mind and eye for breeding fowl as you have yourself, and that person will (hopefully) breed excellent stock from which you can always source a quality outcross whose breeding will be known and who will be closely related to your own stock.

 

Hope this helps.

This is excellent mate thanks very much. I'll have to read it a good few times for it to sink in.

I know it's something to not take lightly.

Atb CM

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When the birds were beginning to show uniformity and vigour and fitted the required criteria, two or three pairs of siblings could be selected and paired up. Such breedings should fix type and various other qualities, such as laying prowess, or carcase quality, or gameness, or colour, for example. The resulting youngstock from these matings are used either to establish more lines, or are used in the established lines as before.

 

Forgot to say...this is inbreeding.

 

 

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