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 2.23
Milk (kg) 54.00 -0.014 -0.76
Fat (kg) -3.31 -0.375 1.24
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index -0.32
Calving Interval (days) 0.37 -1.459 -0.54
Survival (%) 0.20 1.117 0.22
Calving Sub Index 1.34
Gestation Length (days) -1.46 -0.919 1.34
Beef Sub Index -1.28
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 4.07 -0.432 -1.76
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 5.47

* Based on an €80/tonne carbon price