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 2.46
Milk (kg) -20.00 -0.014 0.28
Fat (kg) -4.29 -0.375 1.61
Prot (kg) -1.29 -0.441 0.57
Fertility Sub Index 6.31
Calving Interval (days) -3.00 -1.459 4.38
Survival (%) 1.73 1.117 1.93
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.00
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 17.90

* Based on an €80/tonne carbon price