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 3.55
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -0.51 -0.375 0.19
Prot (kg) -4.29 -0.441 1.89
Fertility Sub Index 1.98
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.62 1.117 0.69
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.93
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 3.98 -0.432 -1.72
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 4.75

* Based on an €80/tonne carbon price