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 20.02
Milk (kg) -474.00 -0.014 6.64
Fat (kg) -19.77 -0.375 7.41
Prot (kg) -13.55 -0.441 5.98
Fertility Sub Index 5.60
Calving Interval (days) -3.45 -1.459 5.03
Survival (%) 0.51 1.117 0.57
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.14
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) -3.38 -0.432 1.46
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 33.29

* Based on an €80/tonne carbon price