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 8.14
Milk (kg) -244.00 -0.014 3.42
Fat (kg) -5.88 -0.375 2.20
Prot (kg) -5.71 -0.441 2.52
Fertility Sub Index 6.47
Calving Interval (days) -3.83 -1.459 5.59
Survival (%) 0.79 1.117 0.88
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index 1.17
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.21 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 20.22

* Based on an €80/tonne carbon price