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 4.69
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -5.20 -0.375 1.95
Prot (kg) -5.43 -0.441 2.40
Fertility Sub Index -4.69
Calving Interval (days) 2.74 -1.459 -4.00
Survival (%) -0.62 1.117 -0.69
Calving Sub Index 1.17
Gestation Length (days) -1.27 -0.919 1.17
Beef Sub Index 0.60
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 5.33 -0.432 -2.30
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 4.59

* Based on an €80/tonne carbon price