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 2.37
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -2.22 -0.375 0.83
Prot (kg) -2.57 -0.441 1.13
Fertility Sub Index 2.80
Calving Interval (days) -1.73 -1.459 2.52
Survival (%) 0.25 1.117 0.28
Calving Sub Index 0.17
Gestation Length (days) -0.19 -0.919 0.17
Beef Sub Index 0.48
Carcass Weight (kg) -0.95 -0.528 0.50
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 2.41
Live WT (kg) -7.85 -0.307 2.41
Total Carbon Sub Index 8.24

* Based on an €80/tonne carbon price