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 3.63
Milk (kg) -191.00 -0.014 2.67
Fat (kg) 3.62 -0.375 -1.36
Prot (kg) -5.23 -0.441 2.31
Fertility Sub Index -0.64
Calving Interval (days) -0.21 -1.459 0.31
Survival (%) -0.85 1.117 -0.95
Calving Sub Index 0.16
Gestation Length (days) -0.17 -0.919 0.16
Beef Sub Index 0.39
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -1.89 -0.432 0.82
Maintenance Sub Index Maint. Sub Index -6.10
Live WT (kg) 19.90 -0.307 -6.10
Total Carbon Sub Index -2.56

* Based on an €80/tonne carbon price