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 2.00
Milk (kg) -21.00 -0.014 0.29
Fat (kg) -2.01 -0.375 0.75
Prot (kg) -2.15 -0.441 0.95
Fertility Sub Index 2.91
Calving Interval (days) -1.64 -1.459 2.39
Survival (%) 0.46 1.117 0.51
Calving Sub Index 0.50
Gestation Length (days) -0.54 -0.919 0.50
Beef Sub Index 0.60
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 0.21 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 8.41

* Based on an €80/tonne carbon price