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 3.84
Milk (kg) -148.00 -0.014 2.07
Fat (kg) 3.41 -0.375 -1.28
Prot (kg) -6.91 -0.441 3.05
Fertility Sub Index 7.88
Calving Interval (days) -5.13 -1.459 7.48
Survival (%) 0.35 1.117 0.39
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 5.52
Carcass Weight (kg) -11.40 -0.528 6.01
Age of Slaughter (days) 1.15 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 24.52

* Based on an €80/tonne carbon price