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 5.65
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -4.57 -0.375 1.71
Prot (kg) -5.12 -0.441 2.26
Fertility Sub Index 0.07
Calving Interval (days) 0.18 -1.459 -0.26
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index -0.11
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.55 -0.432 -1.53
Maintenance Sub Index Maint. Sub Index -0.80
Live WT (kg) 2.60 -0.307 -0.80
Total Carbon Sub Index 4.56

* Based on an €80/tonne carbon price