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 8.69
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -6.46 -0.375 2.42
Prot (kg) -10.97 -0.441 4.84
Fertility Sub Index -3.04
Calving Interval (days) 1.30 -1.459 -1.90
Survival (%) -1.02 1.117 -1.14
Calving Sub Index 0.41
Gestation Length (days) -0.45 -0.919 0.41
Beef Sub Index -0.55
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index -2.02
Live WT (kg) 6.60 -0.307 -2.02
Total Carbon Sub Index 3.50

* Based on an €80/tonne carbon price