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 3.35
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -2.41 -0.375 0.90
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index 5.20
Calving Interval (days) -3.19 -1.459 4.65
Survival (%) 0.49 1.117 0.55
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 1.65
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.46 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 14.87

* Based on an €80/tonne carbon price