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 13.84
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -16.52 -0.375 6.19
Prot (kg) -16.23 -0.441 7.16
Fertility Sub Index 2.02
Calving Interval (days) -1.82 -1.459 2.66
Survival (%) -0.57 1.117 -0.64
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index 3.30
Carcass Weight (kg) -8.40 -0.528 4.43
Age of Slaughter (days) 2.63 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 23.10

* Based on an €80/tonne carbon price