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 8.52
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -9.20 -0.375 3.45
Prot (kg) -7.24 -0.441 3.20
Fertility Sub Index 5.97
Calving Interval (days) -3.39 -1.459 4.95
Survival (%) 0.92 1.117 1.03
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index 0.41
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.96 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index -1.16
Live WT (kg) 3.80 -0.307 -1.16
Total Carbon Sub Index 14.08

* Based on an €80/tonne carbon price