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 3.13
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -3.22 -0.375 1.21
Prot (kg) -3.22 -0.441 1.42
Fertility Sub Index 11.54
Calving Interval (days) -5.84 -1.459 8.52
Survival (%) 2.70 1.117 3.02
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.13
Carcass Weight (kg) 1.70 -0.528 -0.90
Age of Slaughter (days) 0.55 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index 13.35

* Based on an €80/tonne carbon price