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 0.55
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -0.05 -0.375 0.02
Prot (kg) -0.39 -0.441 0.17
Fertility Sub Index 2.00
Calving Interval (days) -0.29 -1.459 0.42
Survival (%) 1.41 1.117 1.58
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index 2.50
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 0.20 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 7.59

* Based on an €80/tonne carbon price