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 4.45
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -5.26 -0.375 1.97
Prot (kg) -4.47 -0.441 1.97
Fertility Sub Index 1.13
Calving Interval (days) -0.18 -1.459 0.26
Survival (%) 0.78 1.117 0.87
Calving Sub Index -1.53
Gestation Length (days) 1.66 -0.919 -1.53
Beef Sub Index -2.08
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 8.12 -0.432 -3.51
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 8.17

* Based on an €80/tonne carbon price