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 4.03
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -1.98 -0.375 0.74
Prot (kg) -4.05 -0.441 1.79
Fertility Sub Index 1.45
Calving Interval (days) -0.68 -1.459 0.99
Survival (%) 0.41 1.117 0.46
Calving Sub Index 1.42
Gestation Length (days) -1.54 -0.919 1.42
Beef Sub Index 0.45
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index 7.98

* Based on an €80/tonne carbon price