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 28.17
Milk (kg) -434.00 -0.014 6.08
Fat (kg) -31.17 -0.375 11.68
Prot (kg) -23.61 -0.441 10.42
Fertility Sub Index 0.90
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) 0.77 1.117 0.86
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -2.06
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 8.20 -0.432 -3.54
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 32.20

* Based on an €80/tonne carbon price