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 22.82
Milk (kg) -533.00 -0.014 7.46
Fat (kg) -23.81 -0.375 8.92
Prot (kg) -14.59 -0.441 6.44
Fertility Sub Index 5.60
Calving Interval (days) -3.81 -1.459 5.56
Survival (%) 0.04 1.117 0.04
Calving Sub Index 1.67
Gestation Length (days) -1.82 -0.919 1.67
Beef Sub Index 2.12
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) -3.82 -0.432 1.65
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 36.85

* Based on an €80/tonne carbon price