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 23.12
Milk (kg) -564.00 -0.014 7.90
Fat (kg) -19.94 -0.375 7.47
Prot (kg) -17.56 -0.441 7.75
Fertility Sub Index 5.23
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 0.75 1.117 0.84
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.14
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -2.88 -0.432 1.24
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 34.93

* Based on an €80/tonne carbon price