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 13.63
Milk (kg) -356.00 -0.014 4.98
Fat (kg) -10.40 -0.375 3.90
Prot (kg) -10.76 -0.441 4.75
Fertility Sub Index 8.44
Calving Interval (days) -5.35 -1.459 7.81
Survival (%) 0.57 1.117 0.64
Calving Sub Index -0.56
Gestation Length (days) 0.61 -0.919 -0.56
Beef Sub Index 3.39
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -4.07 -0.432 1.76
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 25.09

* Based on an €80/tonne carbon price