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 7.62
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -5.63 -0.375 2.11
Prot (kg) -6.52 -0.441 2.88
Fertility Sub Index 2.42
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) 1.42 1.117 1.59
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index 1.84
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 13.69

* Based on an €80/tonne carbon price