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 -2.01
Milk (kg) 28.00 -0.014 -0.39
Fat (kg) 5.84 -0.375 -2.19
Prot (kg) -1.30 -0.441 0.57
Fertility Sub Index -2.52
Calving Interval (days) 1.09 -1.459 -1.59
Survival (%) -0.83 1.117 -0.93
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index -0.30
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.17 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index -1.01
Live WT (kg) 3.30 -0.307 -1.01
Total Carbon Sub Index -6.24

* Based on an €80/tonne carbon price