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 11.20
Milk (kg) -231.00 -0.014 3.23
Fat (kg) -10.69 -0.375 4.00
Prot (kg) -8.98 -0.441 3.96
Fertility Sub Index 9.47
Calving Interval (days) -5.85 -1.459 8.54
Survival (%) 0.84 1.117 0.94
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.58
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 3.06 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 28.09

* Based on an €80/tonne carbon price