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 4.05
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -4.40 -0.375 1.65
Prot (kg) -3.69 -0.441 1.63
Fertility Sub Index 0.45
Calving Interval (days) -0.30 -1.459 0.44
Survival (%) 0.01 1.117 0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.10
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 5.83

* Based on an €80/tonne carbon price