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 1.10
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -0.89 -0.375 0.33
Prot (kg) -0.82 -0.441 0.36
Fertility Sub Index 1.22
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) 0.50 1.117 0.56
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.74
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -3.16 -0.432 1.36
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 14.27

* Based on an €80/tonne carbon price