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 -3.54
Milk (kg) 37.00 -0.014 -0.52
Fat (kg) 7.20 -0.375 -2.70
Prot (kg) 0.73 -0.441 -0.32
Fertility Sub Index -0.13
Calving Interval (days) 0.32 -1.459 -0.47
Survival (%) 0.30 1.117 0.34
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index 0.34
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.68 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index -2.85

* Based on an €80/tonne carbon price