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 14.71
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -17.65 -0.375 6.61
Prot (kg) -16.12 -0.441 7.11
Fertility Sub Index -2.48
Calving Interval (days) 1.22 -1.459 -1.78
Survival (%) -0.63 1.117 -0.70
Calving Sub Index -0.31
Gestation Length (days) 0.34 -0.919 -0.31
Beef Sub Index -1.55
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) 0.53 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index -1.56
Live WT (kg) 5.10 -0.307 -1.56
Total Carbon Sub Index 8.80

* Based on an €80/tonne carbon price