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 24.70
Milk (kg) -487.00 -0.014 6.82
Fat (kg) -27.09 -0.375 10.15
Prot (kg) -17.52 -0.441 7.73
Fertility Sub Index 8.81
Calving Interval (days) -4.23 -1.459 6.17
Survival (%) 2.36 1.117 2.64
Calving Sub Index -0.64
Gestation Length (days) 0.70 -0.919 -0.64
Beef Sub Index 3.20
Carcass Weight (kg) -6.30 -0.528 3.32
Age of Slaughter (days) 0.28 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 39.87

* Based on an €80/tonne carbon price