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 4.83
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -3.43 -0.375 1.28
Prot (kg) -3.25 -0.441 1.43
Fertility Sub Index 7.90
Calving Interval (days) -5.18 -1.459 7.56
Survival (%) 0.31 1.117 0.35
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index 3.36
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) -3.15 -0.432 1.36
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 20.66

* Based on an €80/tonne carbon price