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 3.64
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -0.64 -0.375 0.24
Prot (kg) -4.22 -0.441 1.86
Fertility Sub Index 7.76
Calving Interval (days) -4.21 -1.459 6.14
Survival (%) 1.45 1.117 1.62
Calving Sub Index 1.35
Gestation Length (days) -1.47 -0.919 1.35
Beef Sub Index 1.75
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 17.85

* Based on an €80/tonne carbon price