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 17.02
Milk (kg) -304.00 -0.014 4.26
Fat (kg) -14.99 -0.375 5.61
Prot (kg) -16.20 -0.441 7.15
Fertility Sub Index 4.83
Calving Interval (days) -3.47 -1.459 5.06
Survival (%) -0.21 1.117 -0.23
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index 0.30
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 24.20

* Based on an €80/tonne carbon price