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 3.89
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -3.26 -0.375 1.22
Prot (kg) -3.70 -0.441 1.63
Fertility Sub Index -0.52
Calving Interval (days) 0.15 -1.459 -0.22
Survival (%) -0.27 1.117 -0.30
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.04
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.24 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 4.48

* Based on an €80/tonne carbon price