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 6.20
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -3.77 -0.375 1.41
Prot (kg) -7.99 -0.441 3.53
Fertility Sub Index -7.81
Calving Interval (days) 3.55 -1.459 -5.18
Survival (%) -2.35 1.117 -2.63
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index -0.74
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index -2.15
Live WT (kg) 7.00 -0.307 -2.15
Total Carbon Sub Index -4.04

* Based on an €80/tonne carbon price