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 5.05
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -4.58 -0.375 1.72
Prot (kg) -4.60 -0.441 2.03
Fertility Sub Index 1.03
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.17
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.49 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 6.52

* Based on an €80/tonne carbon price