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 9.79
Milk (kg) -202.00 -0.014 2.83
Fat (kg) -9.81 -0.375 3.67
Prot (kg) -7.45 -0.441 3.29
Fertility Sub Index 7.35
Calving Interval (days) -4.54 -1.459 6.62
Survival (%) 0.65 1.117 0.73
Calving Sub Index 1.54
Gestation Length (days) -1.67 -0.919 1.54
Beef Sub Index 0.82
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 22.75

* Based on an €80/tonne carbon price