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 3.31
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -1.22 -0.375 0.46
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index 1.17
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) 0.34 1.117 0.38
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.72
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -2.76 -0.432 1.19
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 16.42

* Based on an €80/tonne carbon price