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 10.51
Milk (kg) -342.00 -0.014 4.79
Fat (kg) -6.52 -0.375 2.44
Prot (kg) -7.42 -0.441 3.27
Fertility Sub Index 2.43
Calving Interval (days) -1.89 -1.459 2.76
Survival (%) -0.29 1.117 -0.32
Calving Sub Index 0.57
Gestation Length (days) -0.62 -0.919 0.57
Beef Sub Index -0.39
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index 11.77

* Based on an €80/tonne carbon price