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 0.31
Milk (kg) -77.00 -0.014 1.08
Fat (kg) 2.31 -0.375 -0.87
Prot (kg) -0.21 -0.441 0.09
Fertility Sub Index 4.72
Calving Interval (days) -2.41 -1.459 3.52
Survival (%) 1.08 1.117 1.21
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.34
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.38 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 13.77

* Based on an €80/tonne carbon price