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 17.47
Milk (kg) -298.00 -0.014 4.17
Fat (kg) -17.50 -0.375 6.55
Prot (kg) -15.27 -0.441 6.74
Fertility Sub Index 2.10
Calving Interval (days) -1.00 -1.459 1.46
Survival (%) 0.57 1.117 0.64
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.36
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 20.24

* Based on an €80/tonne carbon price