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 23.08
Milk (kg) -563.00 -0.014 7.88
Fat (kg) -19.83 -0.375 7.43
Prot (kg) -17.60 -0.441 7.77
Fertility Sub Index 8.07
Calving Interval (days) -4.77 -1.459 6.96
Survival (%) 0.99 1.117 1.11
Calving Sub Index 1.28
Gestation Length (days) -1.39 -0.919 1.28
Beef Sub Index 3.20
Carcass Weight (kg) -6.50 -0.528 3.43
Age of Slaughter (days) 0.52 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 40.50

* Based on an €80/tonne carbon price