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 3.20
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -1.94 -0.375 0.73
Prot (kg) -3.88 -0.441 1.71
Fertility Sub Index 1.18
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.35
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index -0.37
Live WT (kg) 1.20 -0.307 -0.37
Total Carbon Sub Index 3.89

* Based on an €80/tonne carbon price