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 8.41
Milk (kg) -259.00 -0.014 3.63
Fat (kg) -6.30 -0.375 2.36
Prot (kg) -5.50 -0.441 2.43
Fertility Sub Index 5.10
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) -0.79 1.117 -0.88
Calving Sub Index -2.17
Gestation Length (days) 2.36 -0.919 -2.17
Beef Sub Index 1.97
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) -3.70 -0.432 1.60
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 15.64

* Based on an €80/tonne carbon price