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 5.10
Milk (kg) -206.00 -0.014 2.88
Fat (kg) -0.56 -0.375 0.21
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index 5.75
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) 1.57 1.117 1.75
Calving Sub Index 1.61
Gestation Length (days) -1.75 -0.919 1.61
Beef Sub Index 2.88
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -3.62 -0.432 1.56
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 21.87

* Based on an €80/tonne carbon price