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 5.83
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -5.14 -0.375 1.93
Prot (kg) -6.18 -0.441 2.73
Fertility Sub Index 2.36
Calving Interval (days) -1.35 -1.459 1.97
Survival (%) 0.35 1.117 0.39
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.09
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 9.89

* Based on an €80/tonne carbon price