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 1.25
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -2.55 -0.375 0.96
Prot (kg) 0.29 -0.441 -0.13
Fertility Sub Index 6.59
Calving Interval (days) -3.95 -1.459 5.76
Survival (%) 0.74 1.117 0.83
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 1.30
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.66 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 12.91

* Based on an €80/tonne carbon price