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 2.74
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -2.03 -0.375 0.76
Prot (kg) -2.00 -0.441 0.88
Fertility Sub Index 3.87
Calving Interval (days) -2.01 -1.459 2.93
Survival (%) 0.84 1.117 0.94
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.45
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) -0.55 -0.432 0.24
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 17.38

* Based on an €80/tonne carbon price