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 0.62
Milk (kg) -33.00 -0.014 0.46
Fat (kg) 0.32 -0.375 -0.12
Prot (kg) -0.64 -0.441 0.28
Fertility Sub Index 2.13
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) 0.44 1.117 0.49
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.71
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 0.43 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 12.18

* Based on an €80/tonne carbon price