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 3.21
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -1.09 -0.375 0.41
Prot (kg) -2.80 -0.441 1.24
Fertility Sub Index 1.63
Calving Interval (days) -0.67 -1.459 0.98
Survival (%) 0.58 1.117 0.65
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.71
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -0.41 -0.432 0.18
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 16.49

* Based on an €80/tonne carbon price