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 5.29
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -3.93 -0.375 1.47
Prot (kg) -5.39 -0.441 2.38
Fertility Sub Index 0.57
Calving Interval (days) -0.37 -1.459 0.54
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.02
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 7.41

* Based on an €80/tonne carbon price