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 0.35
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -0.36 -0.375 0.13
Prot (kg) 0.22 -0.441 -0.10
Fertility Sub Index 2.18
Calving Interval (days) -1.18 -1.459 1.72
Survival (%) 0.41 1.117 0.46
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.21
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 4.22

* Based on an €80/tonne carbon price