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 4.84
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -5.56 -0.375 2.08
Prot (kg) -2.60 -0.441 1.15
Fertility Sub Index 2.40
Calving Interval (days) -0.79 -1.459 1.15
Survival (%) 1.12 1.117 1.25
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.94
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.15 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 20.52

* Based on an €80/tonne carbon price