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 4.90
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -1.96 -0.375 0.73
Prot (kg) -5.10 -0.441 2.25
Fertility Sub Index 2.40
Calving Interval (days) -1.26 -1.459 1.84
Survival (%) 0.50 1.117 0.56
Calving Sub Index 0.15
Gestation Length (days) -0.16 -0.919 0.15
Beef Sub Index -0.33
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 8.46

* Based on an €80/tonne carbon price