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 4.86
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -5.02 -0.375 1.88
Prot (kg) -4.89 -0.441 2.16
Fertility Sub Index 6.70
Calving Interval (days) -3.66 -1.459 5.34
Survival (%) 1.22 1.117 1.36
Calving Sub Index -0.31
Gestation Length (days) 0.34 -0.919 -0.31
Beef Sub Index -0.04
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 13.46

* Based on an €80/tonne carbon price