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 20.18
Milk (kg) -490.00 -0.014 6.86
Fat (kg) -16.63 -0.375 6.23
Prot (kg) -16.07 -0.441 7.09
Fertility Sub Index 6.21
Calving Interval (days) -2.65 -1.459 3.87
Survival (%) 2.10 1.117 2.35
Calving Sub Index -1.35
Gestation Length (days) 1.47 -0.919 -1.35
Beef Sub Index -1.92
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 8.35 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index 7.14
Live WT (kg) -23.30 -0.307 7.14
Total Carbon Sub Index 30.28

* Based on an €80/tonne carbon price