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 1.21
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -1.75 -0.375 0.66
Prot (kg) 0.90 -0.441 -0.40
Fertility Sub Index 3.40
Calving Interval (days) -1.50 -1.459 2.19
Survival (%) 1.08 1.117 1.21
Calving Sub Index 0.94
Gestation Length (days) -1.02 -0.919 0.94
Beef Sub Index -2.75
Carcass Weight (kg) 5.40 -0.528 -2.85
Age of Slaughter (days) -0.23 -0.432 0.10
Maintenance Sub Index Maint. Sub Index -3.68
Live WT (kg) 12.00 -0.307 -3.68
Total Carbon Sub Index -0.88

* Based on an €80/tonne carbon price