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 8.12
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -8.96 -0.375 3.36
Prot (kg) -6.64 -0.441 2.93
Fertility Sub Index 6.23
Calving Interval (days) -2.76 -1.459 4.03
Survival (%) 1.97 1.117 2.20
Calving Sub Index -1.47
Gestation Length (days) 1.60 -0.919 -1.47
Beef Sub Index -2.39
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 7.86 -0.432 -3.39
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 16.87

* Based on an €80/tonne carbon price