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 1.86
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -1.55 -0.375 0.58
Prot (kg) -1.91 -0.441 0.84
Fertility Sub Index 0.12
Calving Interval (days) -0.09 -1.459 0.13
Survival (%) -0.01 1.117 -0.01
Calving Sub Index -0.48
Gestation Length (days) 0.52 -0.919 -0.48
Beef Sub Index 0.90
Carcass Weight (kg) -1.75 -0.528 0.92
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 1.85
Live WT (kg) -6.05 -0.307 1.85
Total Carbon Sub Index 4.26

* Based on an €80/tonne carbon price