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 2.03
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -1.78 -0.375 0.67
Prot (kg) 0.62 -0.441 -0.27
Fertility Sub Index -6.38
Calving Interval (days) 2.82 -1.459 -4.11
Survival (%) -2.03 1.117 -2.27
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index -0.11
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 4.66 -0.432 -2.01
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index -3.40

* Based on an €80/tonne carbon price