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 6.30
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -4.17 -0.375 1.56
Prot (kg) -5.10 -0.441 2.25
Fertility Sub Index 5.76
Calving Interval (days) -3.35 -1.459 4.89
Survival (%) 0.78 1.117 0.87
Calving Sub Index 0.33
Gestation Length (days) -0.36 -0.919 0.33
Beef Sub Index 0.32
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -1.72 -0.432 0.74
Maintenance Sub Index Maint. Sub Index -3.83
Live WT (kg) 12.50 -0.307 -3.83
Total Carbon Sub Index 8.88

* Based on an €80/tonne carbon price