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 1.28
Milk (kg) -63.00 -0.014 0.88
Fat (kg) 0.39 -0.375 -0.15
Prot (kg) -1.23 -0.441 0.54
Fertility Sub Index 0.44
Calving Interval (days) -0.11 -1.459 0.16
Survival (%) 0.25 1.117 0.28
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.04
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.38 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 2.27

* Based on an €80/tonne carbon price