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 6.03
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -4.55 -0.375 1.70
Prot (kg) -4.51 -0.441 1.99
Fertility Sub Index 4.45
Calving Interval (days) -2.42 -1.459 3.53
Survival (%) 0.82 1.117 0.92
Calving Sub Index 0.34
Gestation Length (days) -0.37 -0.919 0.34
Beef Sub Index 0.31
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.36 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 12.66

* Based on an €80/tonne carbon price