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 2.67
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -1.11 -0.375 0.42
Prot (kg) -2.31 -0.441 1.02
Fertility Sub Index 2.66
Calving Interval (days) -1.41 -1.459 2.06
Survival (%) 0.54 1.117 0.60
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.15
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) -0.09 -0.432 0.04
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 15.89

* Based on an €80/tonne carbon price