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 3.05
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -2.35 -0.375 0.88
Prot (kg) -3.05 -0.441 1.35
Fertility Sub Index 0.09
Calving Interval (days) -0.34 -1.459 0.50
Survival (%) -0.36 1.117 -0.40
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.22
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 4.10

* Based on an €80/tonne carbon price