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 5.46
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -2.91 -0.375 1.09
Prot (kg) -6.51 -0.441 2.87
Fertility Sub Index 5.15
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 0.82 1.117 0.92
Calving Sub Index -0.66
Gestation Length (days) 0.72 -0.919 -0.66
Beef Sub Index -2.77
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) 3.11 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 7.28

* Based on an €80/tonne carbon price