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 1.08
Milk (kg) -97.00 -0.014 1.36
Fat (kg) 2.16 -0.375 -0.81
Prot (kg) -1.21 -0.441 0.53
Fertility Sub Index -0.22
Calving Interval (days) 0.37 -1.459 -0.54
Survival (%) 0.29 1.117 0.32
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 0.38
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 1.80

* Based on an €80/tonne carbon price