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 8.24
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -6.73 -0.375 2.52
Prot (kg) -7.91 -0.441 3.49
Fertility Sub Index 2.46
Calving Interval (days) -2.09 -1.459 3.05
Survival (%) -0.53 1.117 -0.59
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index -0.29
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 12.44

* Based on an €80/tonne carbon price