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 19.71
Milk (kg) -464.00 -0.014 6.50
Fat (kg) -16.01 -0.375 6.00
Prot (kg) -16.35 -0.441 7.22
Fertility Sub Index 1.74
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) 0.62 1.117 0.69
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.32
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) -2.69 -0.432 1.16
Maintenance Sub Index Maint. Sub Index -3.49
Live WT (kg) 11.40 -0.307 -3.49
Total Carbon Sub Index 17.18

* Based on an €80/tonne carbon price