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 2.39
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -2.15 -0.375 0.81
Prot (kg) -3.06 -0.441 1.35
Fertility Sub Index 0.40
Calving Interval (days) -1.36 -1.459 1.98
Survival (%) -1.42 1.117 -1.59
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.02
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.09 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 3.83

* Based on an €80/tonne carbon price