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 16.22
Milk (kg) -390.00 -0.014 5.46
Fat (kg) -10.32 -0.375 3.87
Prot (kg) -15.62 -0.441 6.89
Fertility Sub Index 5.60
Calving Interval (days) -4.50 -1.459 6.57
Survival (%) -0.86 1.117 -0.96
Calving Sub Index -0.60
Gestation Length (days) 0.65 -0.919 -0.60
Beef Sub Index 3.01
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) -0.38 -0.432 0.16
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 27.27

* Based on an €80/tonne carbon price