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 9.94
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -8.50 -0.375 3.18
Prot (kg) -10.54 -0.441 4.65
Fertility Sub Index -3.92
Calving Interval (days) 2.15 -1.459 -3.14
Survival (%) -0.70 1.117 -0.78
Calving Sub Index 0.02
Gestation Length (days) -0.02 -0.919 0.02
Beef Sub Index 0.40
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.85 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 7.70

* Based on an €80/tonne carbon price