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 2.84
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -1.11 -0.375 0.42
Prot (kg) -2.33 -0.441 1.03
Fertility Sub Index 5.30
Calving Interval (days) -2.67 -1.459 3.90
Survival (%) 1.26 1.117 1.41
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.85
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 17.43

* Based on an €80/tonne carbon price