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 1.66
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -0.62 -0.375 0.23
Prot (kg) -1.46 -0.441 0.64
Fertility Sub Index 0.95
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 0.33 1.117 0.37
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.50
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -2.38 -0.432 1.03
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 14.46

* Based on an €80/tonne carbon price