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 7.13
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -3.84 -0.375 1.44
Prot (kg) -11.00 -0.441 4.85
Fertility Sub Index -10.92
Calving Interval (days) 5.47 -1.459 -7.98
Survival (%) -2.63 1.117 -2.94
Calving Sub Index 0.43
Gestation Length (days) -0.47 -0.919 0.43
Beef Sub Index -0.01
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 4.29 -0.432 -1.85
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index -2.32

* Based on an €80/tonne carbon price