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 4.35
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -4.01 -0.375 1.50
Prot (kg) -4.58 -0.441 2.02
Fertility Sub Index -8.07
Calving Interval (days) 3.22 -1.459 -4.70
Survival (%) -3.02 1.117 -3.37
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index -1.52
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 3.88 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -4.32

* Based on an €80/tonne carbon price