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 8.27
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -5.61 -0.375 2.10
Prot (kg) -10.54 -0.441 4.65
Fertility Sub Index -12.95
Calving Interval (days) 7.17 -1.459 -10.46
Survival (%) -2.23 1.117 -2.49
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index 1.75
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 0.96 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index -1.90
Live WT (kg) 6.20 -0.307 -1.90
Total Carbon Sub Index -4.14

* Based on an €80/tonne carbon price