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 6.41
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -2.05 -0.375 0.77
Prot (kg) -8.16 -0.441 3.60
Fertility Sub Index 12.25
Calving Interval (days) -6.55 -1.459 9.56
Survival (%) 2.41 1.117 2.69
Calving Sub Index -3.53
Gestation Length (days) 3.84 -0.919 -3.53
Beef Sub Index 1.72
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -0.94 -0.432 0.41
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 20.23

* Based on an €80/tonne carbon price