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 8.33
Milk (kg) -254.00 -0.014 3.56
Fat (kg) -6.18 -0.375 2.31
Prot (kg) -5.57 -0.441 2.46
Fertility Sub Index 5.76
Calving Interval (days) -4.32 -1.459 6.30
Survival (%) -0.49 1.117 -0.55
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 1.68
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) -3.29 -0.432 1.42
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 20.37

* Based on an €80/tonne carbon price