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 17.02
Milk (kg) -411.00 -0.014 5.75
Fat (kg) -15.62 -0.375 5.85
Prot (kg) -12.27 -0.441 5.42
Fertility Sub Index 5.63
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 0.74 1.117 0.83
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.27
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) -3.31 -0.432 1.43
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 30.98

* Based on an €80/tonne carbon price