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 2.56
Milk (kg) -64.00 -0.014 0.90
Fat (kg) -0.32 -0.375 0.12
Prot (kg) -3.50 -0.441 1.54
Fertility Sub Index 7.45
Calving Interval (days) -4.41 -1.459 6.43
Survival (%) 0.91 1.117 1.02
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index 2.98
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) -0.05 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 16.88

* Based on an €80/tonne carbon price