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 5.01
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -4.00 -0.375 1.50
Prot (kg) -4.34 -0.441 1.92
Fertility Sub Index 2.98
Calving Interval (days) -1.04 -1.459 1.52
Survival (%) 1.31 1.117 1.46
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.07
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.53 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 11.87

* Based on an €80/tonne carbon price