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 -3.67
Milk (kg) -160.00 -0.014 2.24
Fat (kg) 12.80 -0.375 -4.79
Prot (kg) 2.53 -0.441 -1.12
Fertility Sub Index -3.13
Calving Interval (days) 1.86 -1.459 -2.71
Survival (%) -0.37 1.117 -0.41
Calving Sub Index 2.90
Gestation Length (days) -3.15 -0.919 2.90
Beef Sub Index 10.54
Carcass Weight (kg) -26.20 -0.528 13.82
Age of Slaughter (days) 7.61 -0.432 -3.29
Maintenance Sub Index Maint. Sub Index 18.49
Live WT (kg) -60.30 -0.307 18.49
Total Carbon Sub Index 25.11

* Based on an €80/tonne carbon price