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 2.41
Milk (kg) -32.00 -0.014 0.45
Fat (kg) -2.60 -0.375 0.97
Prot (kg) -2.25 -0.441 0.99
Fertility Sub Index -0.53
Calving Interval (days) 0.28 -1.459 -0.41
Survival (%) -0.11 1.117 -0.12
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index 0.13
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.88 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 11.09

* Based on an €80/tonne carbon price