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 9.50
Milk (kg) -224.00 -0.014 3.14
Fat (kg) -8.05 -0.375 3.02
Prot (kg) -7.58 -0.441 3.35
Fertility Sub Index 3.15
Calving Interval (days) -1.60 -1.459 2.33
Survival (%) 0.73 1.117 0.82
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.01
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.45 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 13.59

* Based on an €80/tonne carbon price