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 3.34
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -2.07 -0.375 0.78
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index 4.90
Calving Interval (days) -3.28 -1.459 4.79
Survival (%) 0.10 1.117 0.11
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 1.36
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.16 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 12.62

* Based on an €80/tonne carbon price