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 4.28
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -4.47 -0.375 1.67
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 4.52
Calving Interval (days) -2.25 -1.459 3.28
Survival (%) 1.11 1.117 1.24
Calving Sub Index -2.23
Gestation Length (days) 2.43 -0.919 -2.23
Beef Sub Index -2.92
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 4.82 -0.432 -2.08
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 7.32

* Based on an €80/tonne carbon price