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 4.66
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -2.98 -0.375 1.12
Prot (kg) -3.43 -0.441 1.51
Fertility Sub Index 7.56
Calving Interval (days) -3.81 -1.459 5.56
Survival (%) 1.79 1.117 2.00
Calving Sub Index 0.26
Gestation Length (days) -0.28 -0.919 0.26
Beef Sub Index 3.14
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) -1.04 -0.432 0.45
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 17.11

* Based on an €80/tonne carbon price