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 17.50
Milk (kg) -304.00 -0.014 4.26
Fat (kg) -18.73 -0.375 7.02
Prot (kg) -14.11 -0.441 6.23
Fertility Sub Index 9.22
Calving Interval (days) -5.79 -1.459 8.45
Survival (%) 0.69 1.117 0.77
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index 2.64
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 0.12 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 33.99

* Based on an €80/tonne carbon price