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 1.38
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -0.69 -0.375 0.26
Prot (kg) -0.28 -0.441 0.12
Fertility Sub Index 2.30
Calving Interval (days) -0.63 -1.459 0.92
Survival (%) 1.24 1.117 1.39
Calving Sub Index 0.41
Gestation Length (days) -0.45 -0.919 0.41
Beef Sub Index 1.56
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 2.01 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 8.36

* Based on an €80/tonne carbon price