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 0.60
Milk (kg) -72.00 -0.014 1.01
Fat (kg) 1.76 -0.375 -0.66
Prot (kg) -0.57 -0.441 0.25
Fertility Sub Index 0.86
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) -0.04 1.117 -0.04
Calving Sub Index -1.31
Gestation Length (days) 1.42 -0.919 -1.31
Beef Sub Index 0.76
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.29 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 3.53

* Based on an €80/tonne carbon price