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 13.20
Milk (kg) -228.00 -0.014 3.19
Fat (kg) -12.05 -0.375 4.51
Prot (kg) -12.45 -0.441 5.49
Fertility Sub Index 5.75
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 1.22 1.117 1.36
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 0.24
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 21.33

* Based on an €80/tonne carbon price