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 6.33
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -4.47 -0.375 1.67
Prot (kg) -5.35 -0.441 2.36
Fertility Sub Index 5.47
Calving Interval (days) -3.66 -1.459 5.34
Survival (%) 0.12 1.117 0.13
Calving Sub Index 1.30
Gestation Length (days) -1.41 -0.919 1.30
Beef Sub Index 2.82
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 0.30 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 20.22

* Based on an €80/tonne carbon price