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 18.36
Milk (kg) -355.00 -0.014 4.97
Fat (kg) -18.83 -0.375 7.05
Prot (kg) -14.36 -0.441 6.34
Fertility Sub Index 6.66
Calving Interval (days) -4.30 -1.459 6.27
Survival (%) 0.35 1.117 0.39
Calving Sub Index -3.59
Gestation Length (days) 3.91 -0.919 -3.59
Beef Sub Index 1.34
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.08 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 25.10

* Based on an €80/tonne carbon price