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 9.37
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -8.70 -0.375 3.26
Prot (kg) -8.42 -0.441 3.72
Fertility Sub Index -6.00
Calving Interval (days) 2.97 -1.459 -4.33
Survival (%) -1.49 1.117 -1.66
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index 0.22
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 5.20

* Based on an €80/tonne carbon price