Vx Data

Kinship values, and the associated mating ranking metric 'Offspring GV Delta' (see Reports - Mate Recommendations) require reproductive values of the animals concerned. This data is age-specific and defined as the expected future lifetime reproduction (reproductive value 'Vx' [see Fisher, R. The Genetical Theory of Natural Selection, 1930.]).

There are 2 ways you can supply this data to the program:

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In a file that is automatically loaded when you import your data.

When PedScope loads data from a text/CSV file, it always checks for the existence of a file with the same name as the import file but with '-kvweights' inserted in front of the import file extension. E.g. if you import a file called "mystudbook.txt", then PedScope will also look for a file "mystudbook-kvweights.txt".

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OR, entered separately through the document settings.

Choose File|Document Settings, click on the KV Weights tab and key in the Vx data (or click Load to read from a file).

In both cases the data should be formatted as separate lines giving SEX,AGE,VXVALUE. E.g. 'm,3,0.8' would mean that males of age 3 years have a Vx value of 0.8.

A longer example:

m,3,1.0
m,4,0.8
m,5,0.4
m,6,0.35
m,7,0.3
m,8,0.3
m,10,0.1
m,12,0.0

f,2,1.0
f,3,0.9
f,4,0.8
f,5,0.5
f,6,0.3
f,7,0.1
f,8,0.0

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