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 16.36
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -15.14 -0.375 5.67
Prot (kg) -19.14 -0.441 8.45
Fertility Sub Index -4.21
Calving Interval (days) 2.23 -1.459 -3.25
Survival (%) -0.86 1.117 -0.96
Calving Sub Index -1.34
Gestation Length (days) 1.46 -0.919 -1.34
Beef Sub Index 0.09
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 13.90

* Based on an €80/tonne carbon price