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 4.59
Milk (kg) -190.00 -0.014 2.66
Fat (kg) -0.15 -0.375 0.06
Prot (kg) -4.24 -0.441 1.87
Fertility Sub Index 0.47
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) -0.04 1.117 -0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.19
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.00 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 7.05

* Based on an €80/tonne carbon price