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 21.43
Milk (kg) -416.00 -0.014 5.82
Fat (kg) -20.08 -0.375 7.52
Prot (kg) -18.31 -0.441 8.08
Fertility Sub Index 5.57
Calving Interval (days) -2.36 -1.459 3.44
Survival (%) 1.90 1.117 2.12
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 3.15
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) -5.35 -0.432 2.31
Maintenance Sub Index Maint. Sub Index 6.84
Live WT (kg) -22.30 -0.307 6.84
Total Carbon Sub Index 40.79

* Based on an €80/tonne carbon price