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 10.05
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -9.22 -0.375 3.45
Prot (kg) -11.99 -0.441 5.29
Fertility Sub Index -6.31
Calving Interval (days) 2.54 -1.459 -3.71
Survival (%) -2.33 1.117 -2.60
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.92
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) 2.86 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index -3.74
Live WT (kg) 12.20 -0.307 -3.74
Total Carbon Sub Index -2.39

* Based on an €80/tonne carbon price