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 5.35
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -0.83 -0.375 0.31
Prot (kg) -5.80 -0.441 2.56
Fertility Sub Index -2.98
Calving Interval (days) 1.64 -1.459 -2.39
Survival (%) -0.53 1.117 -0.59
Calving Sub Index 0.39
Gestation Length (days) -0.42 -0.919 0.39
Beef Sub Index 1.48
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 2.67 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index 4.70

* Based on an €80/tonne carbon price