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 2.56
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -0.27 -0.375 0.10
Prot (kg) -3.16 -0.441 1.39
Fertility Sub Index 1.05
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.22 1.117 0.25
Calving Sub Index 1.93
Gestation Length (days) -2.10 -0.919 1.93
Beef Sub Index -0.11
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 8.03

* Based on an €80/tonne carbon price