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 6.53
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -7.21 -0.375 2.70
Prot (kg) -6.34 -0.441 2.80
Fertility Sub Index 10.42
Calving Interval (days) -4.54 -1.459 6.62
Survival (%) 3.40 1.117 3.80
Calving Sub Index -3.02
Gestation Length (days) 3.29 -0.919 -3.02
Beef Sub Index 0.01
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -0.39 -0.432 0.17
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 15.64

* Based on an €80/tonne carbon price