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 4.17
Milk (kg) 50.00 -0.014 -0.70
Fat (kg) -6.23 -0.375 2.33
Prot (kg) -5.74 -0.441 2.53
Fertility Sub Index -0.16
Calving Interval (days) 0.01 -1.459 -0.01
Survival (%) -0.13 1.117 -0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.15
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 4.22

* Based on an €80/tonne carbon price