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 7.43
Milk (kg) -28.00 -0.014 0.39
Fat (kg) -7.11 -0.375 2.66
Prot (kg) -9.91 -0.441 4.37
Fertility Sub Index 2.25
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) 0.21 1.117 0.23
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.42
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 11.80

* Based on an €80/tonne carbon price