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 4.00
Milk (kg) -177.00 -0.014 2.48
Fat (kg) 1.40 -0.375 -0.52
Prot (kg) -4.64 -0.441 2.05
Fertility Sub Index 2.84
Calving Interval (days) -1.59 -1.459 2.32
Survival (%) 0.47 1.117 0.53
Calving Sub Index 0.85
Gestation Length (days) -0.92 -0.919 0.85
Beef Sub Index 1.07
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 7.65
Live WT (kg) -24.95 -0.307 7.65
Total Carbon Sub Index 16.41

* Based on an €80/tonne carbon price