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 4.70
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -2.36 -0.375 0.88
Prot (kg) -3.99 -0.441 1.76
Fertility Sub Index 5.80
Calving Interval (days) -3.88 -1.459 5.66
Survival (%) 0.12 1.117 0.13
Calving Sub Index 1.34
Gestation Length (days) -1.46 -0.919 1.34
Beef Sub Index 3.03
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) -0.30 -0.432 0.13
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 18.71

* Based on an €80/tonne carbon price