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 5.42
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -3.41 -0.375 1.28
Prot (kg) -4.27 -0.441 1.88
Fertility Sub Index 8.68
Calving Interval (days) -5.66 -1.459 8.26
Survival (%) 0.38 1.117 0.42
Calving Sub Index 0.23
Gestation Length (days) -0.25 -0.919 0.23
Beef Sub Index 1.41
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.14 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 16.60

* Based on an €80/tonne carbon price