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 0.53
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -6.79 -0.375 2.54
Prot (kg) 5.13 -0.441 -2.26
Fertility Sub Index 5.01
Calving Interval (days) -3.23 -1.459 4.71
Survival (%) 0.27 1.117 0.30
Calving Sub Index 1.32
Gestation Length (days) -1.44 -0.919 1.32
Beef Sub Index 0.17
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) -1.49 -0.432 0.64
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 9.40

* Based on an €80/tonne carbon price