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 7.36
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -10.77 -0.375 4.03
Prot (kg) -4.94 -0.441 2.18
Fertility Sub Index 7.13
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) 2.27 1.117 2.54
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.61
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.79 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 23.37

* Based on an €80/tonne carbon price