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 2.64
Milk (kg) 30.00 -0.014 -0.42
Fat (kg) -6.04 -0.375 2.26
Prot (kg) -1.81 -0.441 0.80
Fertility Sub Index -8.25
Calving Interval (days) 3.29 -1.459 -4.80
Survival (%) -3.09 1.117 -3.45
Calving Sub Index 0.51
Gestation Length (days) -0.56 -0.919 0.51
Beef Sub Index 1.00
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index -1.02

* Based on an €80/tonne carbon price