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) -159.00 -0.014 2.23
Fat (kg) 3.28 -0.375 -1.23
Prot (kg) -1.22 -0.441 0.54
Fertility Sub Index 3.00
Calving Interval (days) -1.68 -1.459 2.45
Survival (%) 0.49 1.117 0.55
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 6.35
Carcass Weight (kg) -11.50 -0.528 6.07
Age of Slaughter (days) -0.66 -0.432 0.28
Maintenance Sub Index Maint. Sub Index 7.45
Live WT (kg) -24.30 -0.307 7.45
Total Carbon Sub Index 22.17

* Based on an €80/tonne carbon price