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 8.26
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -7.65 -0.375 2.87
Prot (kg) -7.08 -0.441 3.12
Fertility Sub Index 7.90
Calving Interval (days) -4.09 -1.459 5.97
Survival (%) 1.73 1.117 1.93
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index 0.17
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.05 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 18.31

* Based on an €80/tonne carbon price