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 -0.34
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) 0.39 -0.375 -0.15
Prot (kg) 0.35 -0.441 -0.15
Fertility Sub Index 4.55
Calving Interval (days) -2.26 -1.459 3.30
Survival (%) 1.12 1.117 1.25
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.73
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -0.70 -0.432 0.30
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 14.80

* Based on an €80/tonne carbon price