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 3.62
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -4.02 -0.375 1.51
Prot (kg) -3.43 -0.441 1.51
Fertility Sub Index 2.80
Calving Interval (days) -1.43 -1.459 2.09
Survival (%) 0.64 1.117 0.72
Calving Sub Index -2.31
Gestation Length (days) 2.51 -0.919 -2.31
Beef Sub Index -4.54
Carcass Weight (kg) 11.60 -0.528 -6.12
Age of Slaughter (days) -3.65 -0.432 1.58
Maintenance Sub Index Maint. Sub Index -5.92
Live WT (kg) 19.30 -0.307 -5.92
Total Carbon Sub Index -6.34

* Based on an €80/tonne carbon price