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 6.28
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -5.04 -0.375 1.89
Prot (kg) -6.88 -0.441 3.04
Fertility Sub Index -4.61
Calving Interval (days) 2.31 -1.459 -3.37
Survival (%) -1.11 1.117 -1.24
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index -0.19
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 3.37 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 4.48

* Based on an €80/tonne carbon price