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 4.69
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -3.64 -0.375 1.36
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index 4.50
Calving Interval (days) -2.41 -1.459 3.52
Survival (%) 0.88 1.117 0.98
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index 0.83
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.88 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 15.75

* Based on an €80/tonne carbon price