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 2.98
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -2.04 -0.375 0.76
Prot (kg) -2.07 -0.441 0.91
Fertility Sub Index 3.28
Calving Interval (days) -1.66 -1.459 2.42
Survival (%) 0.77 1.117 0.86
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.96
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.72 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 16.48

* Based on an €80/tonne carbon price