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 2.00
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) -4.87 -0.375 1.82
Prot (kg) -1.13 -0.441 0.50
Fertility Sub Index 5.17
Calving Interval (days) -3.05 -1.459 4.45
Survival (%) 0.64 1.117 0.72
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 0.84
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 11.71

* Based on an €80/tonne carbon price