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 4.76
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -4.62 -0.375 1.73
Prot (kg) -4.81 -0.441 2.12
Fertility Sub Index 5.99
Calving Interval (days) -3.83 -1.459 5.59
Survival (%) 0.36 1.117 0.40
Calving Sub Index -0.25
Gestation Length (days) 0.27 -0.919 -0.25
Beef Sub Index -0.30
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 0.93 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 12.60

* Based on an €80/tonne carbon price