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 8.94
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -6.01 -0.375 2.25
Prot (kg) -9.50 -0.441 4.19
Fertility Sub Index -4.77
Calving Interval (days) 2.15 -1.459 -3.14
Survival (%) -1.46 1.117 -1.63
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index 0.08
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 5.21

* Based on an €80/tonne carbon price