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 3.58
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -0.23 -0.375 0.09
Prot (kg) -3.77 -0.441 1.66
Fertility Sub Index 0.66
Calving Interval (days) -0.61 -1.459 0.89
Survival (%) -0.21 1.117 -0.23
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index -0.36
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 5.11 -0.432 -2.21
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 8.99

* Based on an €80/tonne carbon price