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 1.29
Milk (kg) -164.00 -0.014 2.30
Fat (kg) 3.37 -0.375 -1.26
Prot (kg) -0.58 -0.441 0.26
Fertility Sub Index 7.84
Calving Interval (days) -3.87 -1.459 5.65
Survival (%) 1.96 1.117 2.19
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.01
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 0.23 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 20.39

* Based on an €80/tonne carbon price