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 6.11
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -2.25 -0.375 0.84
Prot (kg) -11.75 -0.441 5.19
Fertility Sub Index -16.61
Calving Interval (days) 8.71 -1.459 -12.71
Survival (%) -3.49 1.117 -3.90
Calving Sub Index 1.00
Gestation Length (days) -1.09 -0.919 1.00
Beef Sub Index -0.98
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 5.82 -0.432 -2.51
Maintenance Sub Index Maint. Sub Index -1.16
Live WT (kg) 3.80 -0.307 -1.16
Total Carbon Sub Index -11.64

* Based on an €80/tonne carbon price