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 3.86
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -1.75 -0.375 0.66
Prot (kg) -3.37 -0.441 1.49
Fertility Sub Index 4.85
Calving Interval (days) -2.89 -1.459 4.22
Survival (%) 0.57 1.117 0.64
Calving Sub Index 0.33
Gestation Length (days) -0.36 -0.919 0.33
Beef Sub Index 1.96
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 14.79

* Based on an €80/tonne carbon price