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 8.53
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -13.80 -0.375 5.17
Prot (kg) -5.62 -0.441 2.48
Fertility Sub Index 1.00
Calving Interval (days) -0.22 -1.459 0.32
Survival (%) 0.61 1.117 0.68
Calving Sub Index -1.38
Gestation Length (days) 1.50 -0.919 -1.38
Beef Sub Index -2.17
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 7.48 -0.432 -3.23
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 12.23

* Based on an €80/tonne carbon price