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 5.27
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -3.83 -0.375 1.43
Prot (kg) -5.18 -0.441 2.29
Fertility Sub Index 1.07
Calving Interval (days) -0.85 -1.459 1.24
Survival (%) -0.15 1.117 -0.17
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index 0.72
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 3.83 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 8.60

* Based on an €80/tonne carbon price