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 7.02
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -5.58 -0.375 2.09
Prot (kg) -6.64 -0.441 2.93
Fertility Sub Index 8.04
Calving Interval (days) -4.39 -1.459 6.41
Survival (%) 1.46 1.117 1.63
Calving Sub Index 1.00
Gestation Length (days) -1.09 -0.919 1.00
Beef Sub Index 1.70
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 21.83

* Based on an €80/tonne carbon price