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 6.87
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -5.10 -0.375 1.91
Prot (kg) -6.70 -0.441 2.96
Fertility Sub Index 7.33
Calving Interval (days) -4.21 -1.459 6.14
Survival (%) 1.06 1.117 1.18
Calving Sub Index 1.08
Gestation Length (days) -1.18 -0.919 1.08
Beef Sub Index 0.30
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 18.68

* Based on an €80/tonne carbon price