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 0.32
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) 1.13 -0.375 -0.42
Prot (kg) -1.93 -0.441 0.85
Fertility Sub Index -2.56
Calving Interval (days) 1.70 -1.459 -2.48
Survival (%) -0.07 1.117 -0.08
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index 0.28
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index -0.06
Live WT (kg) 0.20 -0.307 -0.06
Total Carbon Sub Index -2.09

* Based on an €80/tonne carbon price