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 3.98
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -2.35 -0.375 0.88
Prot (kg) -4.74 -0.441 2.09
Fertility Sub Index 0.32
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) -0.04 1.117 -0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.08
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.38 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 4.80

* Based on an €80/tonne carbon price