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 3.13
Milk (kg) -238.00 -0.014 3.33
Fat (kg) 4.60 -0.375 -1.72
Prot (kg) -3.45 -0.441 1.52
Fertility Sub Index 7.57
Calving Interval (days) -3.34 -1.459 4.87
Survival (%) 2.41 1.117 2.69
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index 1.52
Carcass Weight (kg) -6.90 -0.528 3.64
Age of Slaughter (days) 4.90 -0.432 -2.12
Maintenance Sub Index Maint. Sub Index 6.81
Live WT (kg) -22.20 -0.307 6.81
Total Carbon Sub Index 19.69

* Based on an €80/tonne carbon price