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 3.58
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -2.40 -0.375 0.90
Prot (kg) -2.88 -0.441 1.27
Fertility Sub Index -0.05
Calving Interval (days) -0.31 -1.459 0.45
Survival (%) -0.45 1.117 -0.50
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.60
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.28 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 5.87

* Based on an €80/tonne carbon price