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 1.01
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -1.18 -0.375 0.44
Prot (kg) 1.70 -0.441 -0.75
Fertility Sub Index 6.41
Calving Interval (days) -3.88 -1.459 5.66
Survival (%) 0.67 1.117 0.75
Calving Sub Index 1.53
Gestation Length (days) -1.66 -0.919 1.53
Beef Sub Index 0.82
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -2.26 -0.432 0.98
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 12.03

* Based on an €80/tonne carbon price