Genetics Selection Evolution

Table 7 Optimization of the genetic contribution when maximizing the breeding value with restricted kinship and/or mean estimated migrant contributions

From: Novel optimum contribution selection methods accounting for conflicting objectives in breeding programs for livestock breeds with historical migration

Scenario^a	Parameter^b
Scenario^a	\( {\mathbf{f}}_{{\mathbf{A}}} \)	\( {\mathbf{f}}_{{\mathbf{B}}} \)	\( {\mathbf{f}}_{{\mathbf{C}}} \)	\( {\mathbf{f}}_{{\mathbf{D}}} \)	MC	EBV^c	Selected^d	SD of \( {\mathbf{c}}_{{\mathbf{s}}} \) ^e
Angler
REF	0.022	0.926	0.527	0.049	0.722	0.211	–	–
TS	0.031	0.939	0.565	0.067	0.722	1.184	0.065	0
maxEBV.A	0.030	0.937	0.560	0.082	0.743	1.226	0.085	0.012
maxEBV.A.MC	0.030	0.901	0.471	0.082	0.677	0.979	0.070	0.012
maxEBV.A.B.MC	0.030	*0.893*	0.454	0.082	*0.664*	0.884	0.075	0.012
maxEBV.A.C.MC	0.030	0.901	*0.471*	0.082	0.677	0.979	0.070	0.012
maxEBV.A.D.MC	*0.020*	0.899	0.464	0.046	0.677	0.449	0.347	0.005
Vorderwald
REF	0.030	0.852	0.380	0.072	0.605	0.287	–	–
TS	0.043	0.882	0.432	0.093	0.645	1.161	0.106	0
maxEBV.A	0.035	0.895	0.456	0.077	0.666	1.164	0.203	0.013
maxEBV.A.MC	0.035	0.835	0.357	0.079	0.582	0.812	0.220	0.011
maxEBV.A.B.MC	0.035	*0.832*	0.353	0.078	*0.579*	0.787	0.220	0.011
maxEBV.A.C.MC	0.035	0.835	0.356	0.078	*0.581*	0.808	0.220	0.011
maxEBV.A.D.MC	*0.031*	0.834	0.354	0.067	0.582	0.636	0.317	0.008

^aThe name of each optimization scenario consists of a prefix indicating the objective function and a suffix indicating the constraint settings
^bThe parameter used as a constraint is marked in italic in the scenario. Bold italic values show that the actual value obtained does not reach the limit of the corresponding constraint in this scenario (value higher than the lower limit or lower than the upper limit)
^cObjective function
^dProportion of selected sires with non-zero genetic contributions; a \( {\text{c}}_{{{\text{s}}_{\text{i}} }} \) value lower than 0.00025 is treated as zero
^eStandard deviation of the genetic contributions of all male selection candidates

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ISSN: 1297-9686

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