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 4.40
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -5.09 -0.375 1.91
Prot (kg) -2.23 -0.441 0.98
Fertility Sub Index 2.37
Calving Interval (days) -0.77 -1.459 1.12
Survival (%) 1.12 1.117 1.25
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.67
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.40 -0.432 -0.17
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 19.70

* Based on an €80/tonne carbon price