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 2.20
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -1.42 -0.375 0.53
Prot (kg) -1.15 -0.441 0.51
Fertility Sub Index 2.98
Calving Interval (days) -0.90 -1.459 1.31
Survival (%) 1.49 1.117 1.66
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.41
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 16.10

* Based on an €80/tonne carbon price