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 5.14
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -4.55 -0.375 1.70
Prot (kg) -4.17 -0.441 1.84
Fertility Sub Index 2.50
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 1.00 1.117 1.12
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -2.37
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 2.55 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 6.08

* Based on an €80/tonne carbon price