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 2.03
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -2.96 -0.375 1.11
Prot (kg) -1.04 -0.441 0.46
Fertility Sub Index 6.05
Calving Interval (days) -3.67 -1.459 5.35
Survival (%) 0.62 1.117 0.69
Calving Sub Index 0.23
Gestation Length (days) -0.25 -0.919 0.23
Beef Sub Index 0.14
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.27 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 10.83

* Based on an €80/tonne carbon price