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 3.80
Milk (kg) -311.00 -0.014 4.35
Fat (kg) 4.29 -0.375 -1.61
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index 5.35
Calving Interval (days) -2.99 -1.459 4.36
Survival (%) 0.88 1.117 0.98
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index -1.71
Carcass Weight (kg) 3.80 -0.528 -2.00
Age of Slaughter (days) -0.68 -0.432 0.29
Maintenance Sub Index Maint. Sub Index -3.86
Live WT (kg) 12.60 -0.307 -3.86
Total Carbon Sub Index 3.92

* Based on an €80/tonne carbon price