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 2.50
Milk (kg) -124.00 -0.014 1.74
Fat (kg) 1.38 -0.375 -0.52
Prot (kg) -2.91 -0.441 1.28
Fertility Sub Index 4.57
Calving Interval (days) -2.25 -1.459 3.28
Survival (%) 1.15 1.117 1.28
Calving Sub Index 0.57
Gestation Length (days) -0.62 -0.919 0.57
Beef Sub Index -1.39
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 7.25 -0.432 -3.13
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 9.63

* Based on an €80/tonne carbon price