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 3.97
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -2.65 -0.375 0.99
Prot (kg) -4.15 -0.441 1.83
Fertility Sub Index -3.06
Calving Interval (days) 1.84 -1.459 -2.68
Survival (%) -0.34 1.117 -0.38
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index -0.62
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 2.77

* Based on an €80/tonne carbon price