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 2.61
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -0.69 -0.375 0.26
Prot (kg) -3.33 -0.441 1.47
Fertility Sub Index -3.69
Calving Interval (days) 0.93 -1.459 -1.36
Survival (%) -2.09 1.117 -2.33
Calving Sub Index -1.88
Gestation Length (days) 2.04 -0.919 -1.88
Beef Sub Index 0.89
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) -0.47 -0.432 0.20
Maintenance Sub Index Maint. Sub Index -1.10
Live WT (kg) 3.60 -0.307 -1.10
Total Carbon Sub Index -3.17

* Based on an €80/tonne carbon price