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 8.29
Milk (kg) -261.00 -0.014 3.65
Fat (kg) -5.85 -0.375 2.19
Prot (kg) -5.55 -0.441 2.45
Fertility Sub Index 5.43
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) 0.75 1.117 0.84
Calving Sub Index 2.34
Gestation Length (days) -2.55 -0.919 2.34
Beef Sub Index 3.41
Carcass Weight (kg) -7.10 -0.528 3.75
Age of Slaughter (days) 0.78 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 25.61

* Based on an €80/tonne carbon price