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 1.54
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -2.35 -0.375 0.88
Prot (kg) -0.11 -0.441 0.05
Fertility Sub Index 6.29
Calving Interval (days) -2.98 -1.459 4.35
Survival (%) 1.74 1.117 1.94
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.28
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 2.17 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 16.84

* Based on an €80/tonne carbon price