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 6.27
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -6.85 -0.375 2.57
Prot (kg) -4.05 -0.441 1.79
Fertility Sub Index 8.86
Calving Interval (days) -5.70 -1.459 8.32
Survival (%) 0.49 1.117 0.55
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index 0.53
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.00 -0.432 0.00
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 19.60

* Based on an €80/tonne carbon price