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 2.93
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -1.59 -0.375 0.60
Prot (kg) -1.07 -0.441 0.47
Fertility Sub Index 3.13
Calving Interval (days) -1.57 -1.459 2.29
Survival (%) 0.75 1.117 0.84
Calving Sub Index 3.00
Gestation Length (days) -3.26 -0.919 3.00
Beef Sub Index 1.01
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 4.25 -0.432 -1.83
Maintenance Sub Index Maint. Sub Index 6.74
Live WT (kg) -22.00 -0.307 6.74
Total Carbon Sub Index 16.81

* Based on an €80/tonne carbon price