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 8.60
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -9.92 -0.375 3.72
Prot (kg) -6.11 -0.441 2.70
Fertility Sub Index 6.71
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) 1.76 1.117 1.97
Calving Sub Index -1.52
Gestation Length (days) 1.65 -0.919 -1.52
Beef Sub Index -3.08
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 6.40 -0.432 -2.76
Maintenance Sub Index Maint. Sub Index 5.00
Live WT (kg) -16.30 -0.307 5.00
Total Carbon Sub Index 15.71

* Based on an €80/tonne carbon price