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 0.20
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) 1.21 -0.375 -0.45
Prot (kg) -1.54 -0.441 0.68
Fertility Sub Index -2.68
Calving Interval (days) 1.43 -1.459 -2.09
Survival (%) -0.53 1.117 -0.59
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.29
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index -0.31
Live WT (kg) 1.00 -0.307 -0.31
Total Carbon Sub Index -4.55

* Based on an €80/tonne carbon price