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 16.06
Milk (kg) -191.00 -0.014 2.67
Fat (kg) -20.88 -0.375 7.82
Prot (kg) -12.61 -0.441 5.57
Fertility Sub Index -0.14
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) -0.14 1.117 -0.16
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 1.19
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) -1.90 -0.432 0.82
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 22.52

* Based on an €80/tonne carbon price