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 3.88
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -2.64 -0.375 0.99
Prot (kg) -2.14 -0.441 0.94
Fertility Sub Index 7.31
Calving Interval (days) -4.40 -1.459 6.42
Survival (%) 0.80 1.117 0.89
Calving Sub Index 1.73
Gestation Length (days) -1.88 -0.919 1.73
Beef Sub Index 1.58
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 16.89

* Based on an €80/tonne carbon price