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 4.93
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -3.40 -0.375 1.27
Prot (kg) -4.34 -0.441 1.92
Fertility Sub Index 5.25
Calving Interval (days) -2.99 -1.459 4.36
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.17
Gestation Length (days) -0.18 -0.919 0.17
Beef Sub Index 0.30
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 13.91

* Based on an €80/tonne carbon price