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 6.77
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -6.37 -0.375 2.39
Prot (kg) -6.67 -0.441 2.94
Fertility Sub Index 3.45
Calving Interval (days) -1.79 -1.459 2.61
Survival (%) 0.75 1.117 0.84
Calving Sub Index 0.90
Gestation Length (days) -0.98 -0.919 0.90
Beef Sub Index 0.02
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index -1.23
Live WT (kg) 4.00 -0.307 -1.23
Total Carbon Sub Index 9.92

* Based on an €80/tonne carbon price