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 0.99
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -0.30 -0.375 0.11
Prot (kg) -0.91 -0.441 0.40
Fertility Sub Index 1.75
Calving Interval (days) -0.90 -1.459 1.31
Survival (%) 0.39 1.117 0.44
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.36
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) -0.59 -0.432 0.25
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 13.36

* Based on an €80/tonne carbon price