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 3.67
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -4.44 -0.375 1.66
Prot (kg) -4.43 -0.441 1.96
Fertility Sub Index -4.64
Calving Interval (days) 2.26 -1.459 -3.30
Survival (%) -1.20 1.117 -1.34
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.05
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 0.04

* Based on an €80/tonne carbon price