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 1.11
Milk (kg) -98.00 -0.014 1.37
Fat (kg) 1.65 -0.375 -0.62
Prot (kg) -0.81 -0.441 0.36
Fertility Sub Index 6.87
Calving Interval (days) -3.34 -1.459 4.87
Survival (%) 1.79 1.117 2.00
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.07
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -1.50 -0.432 0.65
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 20.39

* Based on an €80/tonne carbon price