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 0.59
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -0.49 -0.375 0.18
Prot (kg) -0.35 -0.441 0.15
Fertility Sub Index -0.29
Calving Interval (days) 1.17 -1.459 -1.71
Survival (%) 1.27 1.117 1.42
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index -2.29
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 8.11 -0.432 -3.50
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 3.78

* Based on an €80/tonne carbon price