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 4.20
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -3.63 -0.375 1.36
Prot (kg) -3.93 -0.441 1.73
Fertility Sub Index 0.76
Calving Interval (days) -0.48 -1.459 0.70
Survival (%) 0.05 1.117 0.06
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.13
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 5.48

* Based on an €80/tonne carbon price