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 3.58
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -3.86 -0.375 1.45
Prot (kg) -4.07 -0.441 1.80
Fertility Sub Index -13.77
Calving Interval (days) 7.98 -1.459 -11.64
Survival (%) -1.90 1.117 -2.12
Calving Sub Index 2.31
Gestation Length (days) -2.51 -0.919 2.31
Beef Sub Index 0.85
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) -2.45 -0.432 1.06
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index -7.27

* Based on an €80/tonne carbon price