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 13.84
Milk (kg) -232.00 -0.014 3.25
Fat (kg) -14.94 -0.375 5.60
Prot (kg) -11.32 -0.441 5.00
Fertility Sub Index 4.14
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.89
Gestation Length (days) -0.97 -0.919 0.89
Beef Sub Index 1.72
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 0.78 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 23.66

* Based on an €80/tonne carbon price