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 7.00
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -5.30 -0.375 1.99
Prot (kg) -5.55 -0.441 2.45
Fertility Sub Index 1.45
Calving Interval (days) 0.38 -1.459 -0.55
Survival (%) 1.79 1.117 2.00
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index -0.49
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 2.12 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 15.55

* Based on an €80/tonne carbon price