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 3.22
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -2.03 -0.375 0.76
Prot (kg) -2.49 -0.441 1.10
Fertility Sub Index 7.00
Calving Interval (days) -4.13 -1.459 6.03
Survival (%) 0.87 1.117 0.97
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index 2.65
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 1.07 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 18.25

* Based on an €80/tonne carbon price