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 13.86
Milk (kg) -223.00 -0.014 3.12
Fat (kg) -12.89 -0.375 4.83
Prot (kg) -13.39 -0.441 5.91
Fertility Sub Index 6.23
Calving Interval (days) -4.40 -1.459 6.42
Survival (%) -0.17 1.117 -0.19
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index 0.31
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -1.09 -0.432 0.47
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 23.80

* Based on an €80/tonne carbon price