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 4.19
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -2.97 -0.375 1.11
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index 3.52
Calving Interval (days) -2.13 -1.459 3.11
Survival (%) 0.37 1.117 0.41
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.42
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) -1.10 -0.432 0.47
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 12.49

* Based on an €80/tonne carbon price