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 2.32
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -1.96 -0.375 0.73
Prot (kg) -2.14 -0.441 0.94
Fertility Sub Index 5.21
Calving Interval (days) -3.83 -1.459 5.59
Survival (%) -0.34 1.117 -0.38
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.31
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 11.77

* Based on an €80/tonne carbon price