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 4.70
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -0.21 -0.375 0.08
Prot (kg) -5.23 -0.441 2.31
Fertility Sub Index 4.24
Calving Interval (days) -2.73 -1.459 3.98
Survival (%) 0.23 1.117 0.26
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index 0.75
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 3.02 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 14.07

* Based on an €80/tonne carbon price