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 2.58
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) -3.60 -0.375 1.35
Prot (kg) -3.04 -0.441 1.34
Fertility Sub Index 0.36
Calving Interval (days) -0.26 -1.459 0.38
Survival (%) -0.02 1.117 -0.02
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.06
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 4.77

* Based on an €80/tonne carbon price