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 2.45
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -1.84 -0.375 0.69
Prot (kg) -2.68 -0.441 1.18
Fertility Sub Index 3.25
Calving Interval (days) -1.73 -1.459 2.52
Survival (%) 0.65 1.117 0.73
Calving Sub Index -0.11
Gestation Length (days) 0.12 -0.919 -0.11
Beef Sub Index 1.78
Carcass Weight (kg) -7.90 -0.528 4.17
Age of Slaughter (days) 5.52 -0.432 -2.38
Maintenance Sub Index Maint. Sub Index 4.23
Live WT (kg) -13.80 -0.307 4.23
Total Carbon Sub Index 11.60

* Based on an €80/tonne carbon price