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 20.91
Milk (kg) -491.00 -0.014 6.87
Fat (kg) -22.03 -0.375 8.25
Prot (kg) -13.10 -0.441 5.78
Fertility Sub Index 4.26
Calving Interval (days) -4.18 -1.459 6.10
Survival (%) -1.65 1.117 -1.84
Calving Sub Index -3.44
Gestation Length (days) 3.74 -0.919 -3.44
Beef Sub Index 2.14
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) -3.99 -0.432 1.72
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 25.76

* Based on an €80/tonne carbon price