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 10.99
Milk (kg) -205.00 -0.014 2.87
Fat (kg) -13.88 -0.375 5.20
Prot (kg) -6.62 -0.441 2.92
Fertility Sub Index 2.21
Calving Interval (days) -1.29 -1.459 1.88
Survival (%) 0.29 1.117 0.32
Calving Sub Index -2.02
Gestation Length (days) 2.20 -0.919 -2.02
Beef Sub Index -2.62
Carcass Weight (kg) 2.30 -0.528 -1.21
Age of Slaughter (days) 3.25 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index -1.59
Live WT (kg) 5.20 -0.307 -1.59
Total Carbon Sub Index 6.96

* Based on an €80/tonne carbon price