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 17.08
Milk (kg) -311.00 -0.014 4.35
Fat (kg) -15.30 -0.375 5.73
Prot (kg) -15.85 -0.441 7.00
Fertility Sub Index 5.76
Calving Interval (days) -3.28 -1.459 4.79
Survival (%) 0.87 1.117 0.97
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 0.31
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.21 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 26.96

* Based on an €80/tonne carbon price