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 17.39
Milk (kg) -312.00 -0.014 4.37
Fat (kg) -18.60 -0.375 6.97
Prot (kg) -13.71 -0.441 6.05
Fertility Sub Index 6.65
Calving Interval (days) -4.28 -1.459 6.24
Survival (%) 0.36 1.117 0.40
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 0.06
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 0.34 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 27.14

* Based on an €80/tonne carbon price