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 -3.29
Milk (kg) 19.00 -0.014 -0.27
Fat (kg) 7.04 -0.375 -2.64
Prot (kg) 0.87 -0.441 -0.38
Fertility Sub Index -0.43
Calving Interval (days) 0.45 -1.459 -0.66
Survival (%) 0.20 1.117 0.22
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 0.35
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.89 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index -2.59

* Based on an €80/tonne carbon price