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 5.12
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -4.61 -0.375 1.73
Prot (kg) -4.43 -0.441 1.96
Fertility Sub Index 0.27
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) 0.32 1.117 0.36
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.77
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) -0.31 -0.432 0.13
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 7.04

* Based on an €80/tonne carbon price