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 6.84
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -7.23 -0.375 2.71
Prot (kg) -4.20 -0.441 1.85
Fertility Sub Index 1.60
Calving Interval (days) -0.37 -1.459 0.54
Survival (%) 0.95 1.117 1.06
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.50
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 18.27

* Based on an €80/tonne carbon price