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by Donnerstorm on 21 August 2011 - 16:08

by darylehret on 21 August 2011 - 18:08

by yellowrose of Texas on 21 August 2011 - 21:08
Keep asking and keep the walls full of notes and new colors for your pedigrees.
You will have a book , also when you have about 10 yrs behind you...
YOu now see, how most of us operate here..We do our research, we breed for US, and for our way of doing things..BUT first we do years of what you are doing
ASKING and reading and wondering
Keep it up.... it helps others to re read what Daryl publishes here...Genetics is HARD to understand ...
I am not a math or science person so I have lots of difficulty digesting it all
YR

by vonissk on 21 August 2011 - 22:08

by Donnerstorm on 21 August 2011 - 23:08

by darylehret on 22 August 2011 - 00:08
In and in Breeding Defined The term in and in breeding properly indicates the breeding together of animals that are closely related for a number of successive generations It has reference to repetition and close continuity in the breeding together of the related animals whereas in breeding has reference to single acts of coupling relatives even though there should be occasional repetition in these acts Such repetition in breeding even at intervals would seem in a sense to involve in and in breeding of a weak sort but to avoid ambiguity the author prefers to include these under the head of in breeding No absolute rule has been chosen to define the exact degree of the relationship nor indeed can it be so chosen The animals of kin may be of the closest possible relationship as parent and progeny sister and brother or the relationship may be more distant. The more close the relationship in the animals mated the more intense is the in and in breeding Since the degree of the relationship in the animals mated may differ much the results growing out of such mating will also differ much and this throws some light on the wide difference in view as to the value of in and in breeding
Line Breeding Defined Line breeding may defined as the process of breeding within the members of one family or of a limited number of possessed of similar types As usually conducted animals are inter bred which are not closely connected in the general lines of their blood Strictly speaking it is in a sense a continuation of in and in breeding the relationships in line breeding however more distant The animals that are line bred more commonly descended from animals that been bred in and in. For instance from a foundation animals closely in and in bred several divergent streams may flow out These streams represent families and very probably or less divergent types When the streams fully divergent that is to say from the time families become distinctly separate the males chosen from within these families sometimes strains and from that separating period line breeding may be said to begin But line breeding may also be the outcome the blending of two distinct strains each of which has probably been more or less in bred It differs from in breeding in the virtual exclusion of alien blood and in continuity The relationships in the former are in a sense closer When in breeding the blood may be promiscuous in its near origin When line breeding it is unmixed with extraneous blood from what may be regarded as its starting point Line breeding may be spoken of as repeated acts of in breeding the relations becoming less close as the starting point is receded from because of the increase in the number of the individuals
The Starting Point in Line Breeding As now understood it would not be possible in all instances to define

by darylehret on 22 August 2011 - 00:08
The Starting Point in Line Breeding As now understood it would not be possible in all instances to define exactly the starting point of line breeding It may commence with a pair of animals or with a limited number When it does in and in breeding of necessity is practiced at the first But it may also commence at a later period in the history of the breed More commonly it begins at that point where the outcome of in and in breeding diverges sufficiently to admit of the formation of distinct families descended wholly or chiefly from one ancestor In line breeding the males are subsequently chosen from this family

by darylehret on 22 August 2011 - 00:08
Can I ask what it is you do for a living.
My boss would say, 'not very much'. Seriously though, it has nothing to do with dogs or academics, and not apropriately worth mention on a public forum. I consider my occupation to be a matter of privacy for me and the dogs, and don't want it to adversely shape public perception about me. Let's just say I'm a strip dancer instead.

by Donnerstorm on 22 August 2011 - 02:08

by darylehret on 22 August 2011 - 04:08
Since you're A type personality, try banging your head against this one. It's a poultry breeder's linebreeding strategy. The male #2 is the sire of the pairings numbered 3, 5, and 8 (he's bred to a daughter, and grandaughter). Just the opposite, female #1 is the dam in pairings numbered 3, 4 (her son) and 6 (her grandson). Thereafter, (I believe) the connections are resulting offspring to conduct linebreedings (rather than inbreedings).
Can you see where the loss of symmetry is?

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