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 7.55
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -7.34 -0.375 2.75
Prot (kg) -6.68 -0.441 2.95
Fertility Sub Index 0.60
Calving Interval (days) 0.10 -1.459 -0.15
Survival (%) 0.67 1.117 0.75
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.37
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 15.55

* Based on an €80/tonne carbon price