Verena Gonzalez Lopez, 2011 - Institut für Tierzucht und Tierhaltung ...

coancestry mating was mainly due to the elimination of mating pairs with extremely
high coancestry values. Consequently, the standard deviation was considerably
reduced by minimum coancestry mating.
averge breeding value
150
145
140
135
130
125
120
average breeding value random mating
average breeding value minimum
coancestry mating
a)
1.9 2.1 2.3 2.5
constraint on relationship (%)
average coancestry
standard deviation coancestry
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
average coancestry
average breeding value
150
145
140
135
130
125
120
b)
2.7 2.9 3.1 3.3
constraint on relationship (%)
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
average coancestry
Figure 5: Average expected breeding value of selected animals and average coancestry
applying random or minimum coancestry mating of different constraints on relationship in
GENCONT beginning with lowest achievable relationship. a) Schleswig-Holstein and Baden-
Württemberg, b) Schleswig-Holstein alone.
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