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 2.10
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -0.01 -0.375 0.00
Prot (kg) -3.71 -0.441 1.64
Fertility Sub Index 1.90
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 0.46 1.117 0.51
Calving Sub Index -0.13
Gestation Length (days) 0.14 -0.919 -0.13
Beef Sub Index -0.10
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.52 -0.432 -1.52
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 4.27

* Based on an €80/tonne carbon price