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 1.70
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -1.60 -0.375 0.60
Prot (kg) -1.67 -0.441 0.74
Fertility Sub Index 0.54
Calving Interval (days) -0.38 -1.459 0.55
Survival (%) -0.01 1.117 -0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.12
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 3.08

* Based on an €80/tonne carbon price