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 2.06
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -3.95 -0.375 1.48
Prot (kg) -0.99 -0.441 0.44
Fertility Sub Index 1.30
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) 0.46 1.117 0.51
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.04
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.39 -0.432 -0.17
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 6.26

* Based on an €80/tonne carbon price