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 4.37
Milk (kg) -32.00 -0.014 0.45
Fat (kg) -7.43 -0.375 2.78
Prot (kg) -2.58 -0.441 1.14
Fertility Sub Index -6.69
Calving Interval (days) 4.38 -1.459 -6.39
Survival (%) -0.27 1.117 -0.30
Calving Sub Index -2.21
Gestation Length (days) 2.40 -0.919 -2.21
Beef Sub Index 0.66
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index -1.50

* Based on an €80/tonne carbon price