Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.19
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -2.30 -0.375 0.86
Prot (kg) -3.33 -0.441 1.47
Fertility Sub Index -0.28
Calving Interval (days) -0.05 -1.459 0.07
Survival (%) -0.32 1.117 -0.36
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.20
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 4.23

* Based on an €80/tonne carbon price