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 3.31
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -3.29 -0.375 1.23
Prot (kg) -2.04 -0.441 0.90
Fertility Sub Index 4.15
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 1.43 1.117 1.60
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.68
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.01 -0.432 0.00
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 19.78

* Based on an €80/tonne carbon price