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 9.62
Milk (kg) -299.00 -0.014 4.19
Fat (kg) -6.30 -0.375 2.36
Prot (kg) -6.97 -0.441 3.08
Fertility Sub Index 6.35
Calving Interval (days) -3.72 -1.459 5.43
Survival (%) 0.83 1.117 0.93
Calving Sub Index 0.98
Gestation Length (days) -1.07 -0.919 0.98
Beef Sub Index 0.37
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 20.46

* Based on an €80/tonne carbon price