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 2.28
Milk (kg) -126.00 -0.014 1.76
Fat (kg) 3.64 -0.375 -1.36
Prot (kg) -4.25 -0.441 1.88
Fertility Sub Index -5.61
Calving Interval (days) 2.54 -1.459 -3.71
Survival (%) -1.70 1.117 -1.90
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.00
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 0.12 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index -2.29

* Based on an €80/tonne carbon price