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 28.43
Milk (kg) -633.00 -0.014 8.86
Fat (kg) -29.13 -0.375 10.91
Prot (kg) -19.62 -0.441 8.66
Fertility Sub Index -0.28
Calving Interval (days) -0.41 -1.459 0.60
Survival (%) -0.79 1.117 -0.88
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 2.85
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -3.68 -0.432 1.59
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 37.17

* Based on an €80/tonne carbon price