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 -3.29
Milk (kg) -78.00 -0.014 1.09
Fat (kg) 8.70 -0.375 -3.26
Prot (kg) 2.54 -0.441 -1.12
Fertility Sub Index -2.04
Calving Interval (days) 0.89 -1.459 -1.30
Survival (%) -0.66 1.117 -0.74
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.27
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index -5.10

* Based on an €80/tonne carbon price