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 2.98
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -2.12 -0.375 0.79
Prot (kg) -1.94 -0.441 0.86
Fertility Sub Index 3.85
Calving Interval (days) -1.96 -1.459 2.86
Survival (%) 0.89 1.117 0.99
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.28
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 17.10

* Based on an €80/tonne carbon price