Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 4.50
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -6.21 -0.375 2.33
Prot (kg) -4.41 -0.441 1.95
Fertility Sub Index -10.29
Calving Interval (days) 5.39 -1.459 -7.86
Survival (%) -2.17 1.117 -2.42
Calving Sub Index 1.28
Gestation Length (days) -1.39 -0.919 1.28
Beef Sub Index -1.45
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 2.27 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index -3.92

* Based on an €80/tonne carbon price