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 3.30
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -1.66 -0.375 0.62
Prot (kg) -2.04 -0.441 0.90
Fertility Sub Index 6.18
Calving Interval (days) -4.02 -1.459 5.87
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.42
Gestation Length (days) -0.46 -0.919 0.42
Beef Sub Index 1.39
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -0.90 -0.432 0.39
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 14.36

* Based on an €80/tonne carbon price