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 11.36
Milk (kg) -257.00 -0.014 3.60
Fat (kg) -9.93 -0.375 3.72
Prot (kg) -9.17 -0.441 4.05
Fertility Sub Index 6.30
Calving Interval (days) -4.15 -1.459 6.06
Survival (%) 0.22 1.117 0.25
Calving Sub Index 1.24
Gestation Length (days) -1.35 -0.919 1.24
Beef Sub Index 0.91
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 4.37 -0.432 -1.89
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 25.31

* Based on an €80/tonne carbon price