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 2.77
Milk (kg) 12.00 -0.014 -0.17
Fat (kg) -3.73 -0.375 1.40
Prot (kg) -3.48 -0.441 1.54
Fertility Sub Index 2.36
Calving Interval (days) -1.27 -1.459 1.85
Survival (%) 0.45 1.117 0.50
Calving Sub Index -0.75
Gestation Length (days) 0.82 -0.919 -0.75
Beef Sub Index -1.39
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 5.78 -0.432 -2.50
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 8.98

* Based on an €80/tonne carbon price