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 7.16
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -4.72 -0.375 1.77
Prot (kg) -6.79 -0.441 3.00
Fertility Sub Index -2.95
Calving Interval (days) 1.91 -1.459 -2.79
Survival (%) -0.15 1.117 -0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.98
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.79 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 4.75

* Based on an €80/tonne carbon price