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 6.83
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -5.43 -0.375 2.03
Prot (kg) -6.31 -0.441 2.78
Fertility Sub Index 5.45
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 0.54 1.117 0.60
Calving Sub Index 1.09
Gestation Length (days) -1.19 -0.919 1.09
Beef Sub Index 4.08
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -5.42 -0.432 2.34
Maintenance Sub Index Maint. Sub Index 0.52
Live WT (kg) -1.70 -0.307 0.52
Total Carbon Sub Index 17.98

* Based on an €80/tonne carbon price