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 15.92
Milk (kg) -203.00 -0.014 2.84
Fat (kg) -19.02 -0.375 7.12
Prot (kg) -13.48 -0.441 5.95
Fertility Sub Index 7.70
Calving Interval (days) -4.52 -1.459 6.59
Survival (%) 0.99 1.117 1.11
Calving Sub Index 0.17
Gestation Length (days) -0.18 -0.919 0.17
Beef Sub Index 1.36
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.16 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 4.23
Live WT (kg) -13.80 -0.307 4.23
Total Carbon Sub Index 29.36

* Based on an €80/tonne carbon price