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 2.22
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -2.42 -0.375 0.91
Prot (kg) -2.84 -0.441 1.25
Fertility Sub Index -1.92
Calving Interval (days) 1.00 -1.459 -1.46
Survival (%) -0.41 1.117 -0.46
Calving Sub Index 3.02
Gestation Length (days) -3.29 -0.919 3.02
Beef Sub Index -0.02
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.95 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 6.21

* Based on an €80/tonne carbon price