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 2.03
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -1.63 -0.375 0.61
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index -0.19
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) -0.09 1.117 -0.10
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index 0.24
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 4.33

* Based on an €80/tonne carbon price