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 12.08
Milk (kg) -308.00 -0.014 4.31
Fat (kg) -7.43 -0.375 2.78
Prot (kg) -11.30 -0.441 4.99
Fertility Sub Index -1.57
Calving Interval (days) 1.20 -1.459 -1.75
Survival (%) 0.16 1.117 0.18
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index -2.33
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 8.93 -0.432 -3.86
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 15.57

* Based on an €80/tonne carbon price