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 2.83
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -1.25 -0.375 0.47
Prot (kg) -1.26 -0.441 0.56
Fertility Sub Index 4.19
Calving Interval (days) -3.68 -1.459 5.37
Survival (%) -1.06 1.117 -1.18
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index -5.01
Carcass Weight (kg) 7.40 -0.528 -3.90
Age of Slaughter (days) 2.56 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index -2.76
Live WT (kg) 9.00 -0.307 -2.76
Total Carbon Sub Index -0.45

* Based on an €80/tonne carbon price