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 3.62
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -0.24 -0.375 0.09
Prot (kg) -4.44 -0.441 1.96
Fertility Sub Index 0.87
Calving Interval (days) -0.87 -1.459 1.27
Survival (%) -0.36 1.117 -0.40
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.14
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.89 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 5.29

* Based on an €80/tonne carbon price