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 3.23
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -1.12 -0.375 0.42
Prot (kg) -3.04 -0.441 1.34
Fertility Sub Index 7.33
Calving Interval (days) -3.70 -1.459 5.40
Survival (%) 1.73 1.117 1.93
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.04
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 20.76

* Based on an €80/tonne carbon price