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 3.42
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -2.09 -0.375 0.78
Prot (kg) -4.51 -0.441 1.99
Fertility Sub Index 3.48
Calving Interval (days) -1.78 -1.459 2.60
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index 0.49
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.18 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 12.82

* Based on an €80/tonne carbon price