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 4.97
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -7.39 -0.375 2.77
Prot (kg) -3.62 -0.441 1.60
Fertility Sub Index -2.73
Calving Interval (days) 1.12 -1.459 -1.63
Survival (%) -0.98 1.117 -1.09
Calving Sub Index 0.15
Gestation Length (days) -0.16 -0.919 0.15
Beef Sub Index -0.10
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 4.44

* Based on an €80/tonne carbon price