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 4.30
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -4.07 -0.375 1.52
Prot (kg) -3.85 -0.441 1.70
Fertility Sub Index 7.05
Calving Interval (days) -4.23 -1.459 6.17
Survival (%) 0.79 1.117 0.88
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.52
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 3.45 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 20.77

* Based on an €80/tonne carbon price