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 20.92
Milk (kg) -581.00 -0.014 8.13
Fat (kg) -15.42 -0.375 5.78
Prot (kg) -15.89 -0.441 7.01
Fertility Sub Index 7.65
Calving Interval (days) -4.59 -1.459 6.70
Survival (%) 0.85 1.117 0.95
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 2.57
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) -0.46 -0.432 0.20
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 34.43

* Based on an €80/tonne carbon price