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 4.54
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -4.14 -0.375 1.55
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index 1.95
Calving Interval (days) -0.47 -1.459 0.69
Survival (%) 1.13 1.117 1.26
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.38
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.55 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 17.52

* Based on an €80/tonne carbon price