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 3.51
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -1.11 -0.375 0.42
Prot (kg) -3.75 -0.441 1.66
Fertility Sub Index 0.14
Calving Interval (days) 0.08 -1.459 -0.12
Survival (%) 0.23 1.117 0.26
Calving Sub Index -0.38
Gestation Length (days) 0.41 -0.919 -0.38
Beef Sub Index -0.36
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 3.75

* Based on an €80/tonne carbon price