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 3.08
Milk (kg) -203.00 -0.014 2.84
Fat (kg) 2.43 -0.375 -0.91
Prot (kg) -2.60 -0.441 1.15
Fertility Sub Index 6.22
Calving Interval (days) -4.17 -1.459 6.08
Survival (%) 0.12 1.117 0.13
Calving Sub Index 2.56
Gestation Length (days) -2.79 -0.919 2.56
Beef Sub Index 3.11
Carcass Weight (kg) -6.70 -0.528 3.53
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 18.35

* Based on an €80/tonne carbon price