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 4.56
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -4.06 -0.375 1.52
Prot (kg) -3.84 -0.441 1.69
Fertility Sub Index 3.14
Calving Interval (days) -1.68 -1.459 2.45
Survival (%) 0.62 1.117 0.69
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.28
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 9.44

* Based on an €80/tonne carbon price