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 5.40
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -4.07 -0.375 1.52
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index -10.10
Calving Interval (days) 4.96 -1.459 -7.24
Survival (%) -2.56 1.117 -2.86
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.01
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) -0.15 -0.432 0.06
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index -3.61

* Based on an €80/tonne carbon price