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 2.68
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -1.73 -0.375 0.65
Prot (kg) -3.84 -0.441 1.69
Fertility Sub Index -5.52
Calving Interval (days) 2.22 -1.459 -3.24
Survival (%) -2.04 1.117 -2.28
Calving Sub Index 0.42
Gestation Length (days) -0.46 -0.919 0.42
Beef Sub Index 0.56
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.62 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index -1.77

* Based on an €80/tonne carbon price