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 4.48
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -2.20 -0.375 0.82
Prot (kg) -4.06 -0.441 1.79
Fertility Sub Index 3.21
Calving Interval (days) -2.48 -1.459 3.62
Survival (%) -0.37 1.117 -0.41
Calving Sub Index -0.25
Gestation Length (days) 0.27 -0.919 -0.25
Beef Sub Index 0.26
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 11.13

* Based on an €80/tonne carbon price