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 9.36
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -13.42 -0.375 5.03
Prot (kg) -6.42 -0.441 2.83
Fertility Sub Index 0.15
Calving Interval (days) -0.15 -1.459 0.22
Survival (%) -0.06 1.117 -0.07
Calving Sub Index -1.31
Gestation Length (days) 1.42 -0.919 -1.31
Beef Sub Index -1.78
Carcass Weight (kg) 4.30 -0.528 -2.27
Age of Slaughter (days) -1.13 -0.432 0.49
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index 7.16

* Based on an €80/tonne carbon price