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 1.05
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -1.52 -0.375 0.57
Prot (kg) -0.30 -0.441 0.13
Fertility Sub Index -0.52
Calving Interval (days) 1.27 -1.459 -1.85
Survival (%) 1.19 1.117 1.33
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index -2.07
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 7.98 -0.432 -3.44
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 4.32

* Based on an €80/tonne carbon price