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 18.63
Milk (kg) -253.00 -0.014 3.54
Fat (kg) -22.92 -0.375 8.58
Prot (kg) -14.73 -0.441 6.50
Fertility Sub Index 1.00
Calving Interval (days) -0.34 -1.459 0.50
Survival (%) 0.45 1.117 0.50
Calving Sub Index -1.30
Gestation Length (days) 1.41 -0.919 -1.30
Beef Sub Index -2.02
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 5.89 -0.432 -2.54
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 22.11

* Based on an €80/tonne carbon price