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 6.95
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -7.56 -0.375 2.83
Prot (kg) -6.06 -0.441 2.67
Fertility Sub Index 8.09
Calving Interval (days) -4.55 -1.459 6.64
Survival (%) 1.30 1.117 1.45
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 0.89
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 19.73

* Based on an €80/tonne carbon price