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 6.11
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -5.76 -0.375 2.16
Prot (kg) -6.03 -0.441 2.66
Fertility Sub Index 6.71
Calving Interval (days) -4.18 -1.459 6.10
Survival (%) 0.55 1.117 0.61
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index 0.92
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 0.19 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 17.35

* Based on an €80/tonne carbon price