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 3.13
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -2.31 -0.375 0.87
Prot (kg) -3.33 -0.441 1.47
Fertility Sub Index 4.17
Calving Interval (days) -2.14 -1.459 3.12
Survival (%) 0.94 1.117 1.05
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 4.21
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) -2.66 -0.432 1.15
Maintenance Sub Index Maint. Sub Index 6.84
Live WT (kg) -22.30 -0.307 6.84
Total Carbon Sub Index 23.31

* Based on an €80/tonne carbon price