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 3.56
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -0.63 -0.375 0.24
Prot (kg) -3.10 -0.441 1.37
Fertility Sub Index 2.71
Calving Interval (days) -1.46 -1.459 2.13
Survival (%) 0.52 1.117 0.58
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 0.23
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 5.27
Live WT (kg) -17.20 -0.307 5.27
Total Carbon Sub Index 12.37

* Based on an €80/tonne carbon price