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 10.36
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -5.30 -0.375 1.99
Prot (kg) -13.93 -0.441 6.15
Fertility Sub Index 0.62
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) -0.16 1.117 -0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.00
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 11.92

* Based on an €80/tonne carbon price