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 0.35
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -1.61 -0.375 0.60
Prot (kg) 0.80 -0.441 -0.35
Fertility Sub Index -0.25
Calving Interval (days) 1.15 -1.459 -1.68
Survival (%) 1.28 1.117 1.43
Calving Sub Index -0.81
Gestation Length (days) 0.88 -0.919 -0.81
Beef Sub Index -1.32
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 6.11 -0.432 -2.64
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 3.37

* Based on an €80/tonne carbon price