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 12.28
Milk (kg) -233.00 -0.014 3.26
Fat (kg) -12.46 -0.375 4.67
Prot (kg) -9.85 -0.441 4.35
Fertility Sub Index 5.51
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 0.53 1.117 0.59
Calving Sub Index 0.15
Gestation Length (days) -0.16 -0.919 0.15
Beef Sub Index 1.10
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 24.83

* Based on an €80/tonne carbon price