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 11.12
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -13.58 -0.375 5.09
Prot (kg) -11.19 -0.441 4.94
Fertility Sub Index 7.00
Calving Interval (days) -4.19 -1.459 6.11
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.42
Gestation Length (days) -0.46 -0.919 0.42
Beef Sub Index 0.11
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 21.96

* Based on an €80/tonne carbon price