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 2.99
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -0.26 -0.375 0.10
Prot (kg) -2.62 -0.441 1.16
Fertility Sub Index 0.05
Calving Interval (days) -0.12 -1.459 0.18
Survival (%) -0.11 1.117 -0.12
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.52
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 2.55 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 2.59

* Based on an €80/tonne carbon price