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 2.95
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -2.01 -0.375 0.75
Prot (kg) -1.88 -0.441 0.83
Fertility Sub Index 7.86
Calving Interval (days) -3.79 -1.459 5.53
Survival (%) 2.09 1.117 2.33
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 0.99
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) -0.33 -0.432 0.14
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 20.60

* Based on an €80/tonne carbon price