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 1.41
Milk (kg) -75.00 -0.014 1.05
Fat (kg) 0.42 -0.375 -0.16
Prot (kg) -1.17 -0.441 0.52
Fertility Sub Index 4.41
Calving Interval (days) -2.25 -1.459 3.28
Survival (%) 1.01 1.117 1.13
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.47
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 15.15

* Based on an €80/tonne carbon price