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 17.27
Milk (kg) -372.00 -0.014 5.21
Fat (kg) -18.57 -0.375 6.96
Prot (kg) -11.57 -0.441 5.11
Fertility Sub Index 8.19
Calving Interval (days) -5.14 -1.459 7.50
Survival (%) 0.62 1.117 0.69
Calving Sub Index 0.92
Gestation Length (days) -1.00 -0.919 0.92
Beef Sub Index 0.51
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 30.09

* Based on an €80/tonne carbon price