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 3.05
Milk (kg) -30.00 -0.014 0.42
Fat (kg) 1.96 -0.375 -0.73
Prot (kg) -7.63 -0.441 3.37
Fertility Sub Index -2.06
Calving Interval (days) 1.26 -1.459 -1.84
Survival (%) -0.20 1.117 -0.22
Calving Sub Index 0.06
Gestation Length (days) -0.07 -0.919 0.06
Beef Sub Index 0.21
Carcass Weight (kg) -2.35 -0.528 1.24
Age of Slaughter (days) 2.39 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 0.35
Live WT (kg) -1.15 -0.307 0.35
Total Carbon Sub Index 1.61

* Based on an €80/tonne carbon price