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 5.19
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -4.31 -0.375 1.61
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index -1.00
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) -0.82 1.117 -0.92
Calving Sub Index 2.01
Gestation Length (days) -2.19 -0.919 2.01
Beef Sub Index 0.66
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.68 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index 7.44

* Based on an €80/tonne carbon price