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 4.82
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -3.04 -0.375 1.14
Prot (kg) -6.08 -0.441 2.68
Fertility Sub Index 1.85
Calving Interval (days) -1.01 -1.459 1.47
Survival (%) 0.34 1.117 0.38
Calving Sub Index -1.26
Gestation Length (days) 1.37 -0.919 -1.26
Beef Sub Index -0.23
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.59 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 6.81

* Based on an €80/tonne carbon price