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 7.43
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -6.83 -0.375 2.56
Prot (kg) -6.09 -0.441 2.69
Fertility Sub Index 3.93
Calving Interval (days) -2.02 -1.459 2.95
Survival (%) 0.88 1.117 0.98
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.96
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.71 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 21.25

* Based on an €80/tonne carbon price