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 7.85
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -4.42 -0.375 1.66
Prot (kg) -8.68 -0.441 3.83
Fertility Sub Index -0.62
Calving Interval (days) 0.60 -1.459 -0.88
Survival (%) 0.23 1.117 0.26
Calving Sub Index -0.12
Gestation Length (days) 0.13 -0.919 -0.12
Beef Sub Index -0.06
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.44 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 9.20

* Based on an €80/tonne carbon price