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 0.68
Milk (kg) 5.00 -0.014 -0.07
Fat (kg) 0.85 -0.375 -0.32
Prot (kg) -2.42 -0.441 1.07
Fertility Sub Index -5.18
Calving Interval (days) 2.95 -1.459 -4.30
Survival (%) -0.78 1.117 -0.87
Calving Sub Index 0.20
Gestation Length (days) -0.22 -0.919 0.20
Beef Sub Index 1.00
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.11 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index -0.08

* Based on an €80/tonne carbon price