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 8.34
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -6.96 -0.375 2.61
Prot (kg) -8.38 -0.441 3.70
Fertility Sub Index -5.91
Calving Interval (days) 2.90 -1.459 -4.23
Survival (%) -1.50 1.117 -1.68
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.06
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 2.29

* Based on an €80/tonne carbon price