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 0.23
Milk (kg) 19.00 -0.014 -0.27
Fat (kg) -3.99 -0.375 1.49
Prot (kg) 2.26 -0.441 -1.00
Fertility Sub Index -1.35
Calving Interval (days) 0.56 -1.459 -0.82
Survival (%) -0.48 1.117 -0.54
Calving Sub Index -1.25
Gestation Length (days) 1.36 -0.919 -1.25
Beef Sub Index -5.92
Carcass Weight (kg) 11.10 -0.528 -5.86
Age of Slaughter (days) 0.16 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index -3.07
Live WT (kg) 10.00 -0.307 -3.07
Total Carbon Sub Index -11.36

* Based on an €80/tonne carbon price