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 3.01
Milk (kg) 6.00 -0.014 -0.08
Fat (kg) -4.19 -0.375 1.57
Prot (kg) -3.46 -0.441 1.53
Fertility Sub Index -3.75
Calving Interval (days) 1.03 -1.459 -1.50
Survival (%) -2.01 1.117 -2.25
Calving Sub Index 0.51
Gestation Length (days) -0.56 -0.919 0.51
Beef Sub Index -0.17
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index -0.92
Live WT (kg) 3.00 -0.307 -0.92
Total Carbon Sub Index -1.30

* Based on an €80/tonne carbon price