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 10.06
Milk (kg) -174.00 -0.014 2.44
Fat (kg) -4.19 -0.375 1.57
Prot (kg) -13.72 -0.441 6.06
Fertility Sub Index 0.81
Calving Interval (days) -0.42 -1.459 0.61
Survival (%) 0.18 1.117 0.20
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.01
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 13.04

* Based on an €80/tonne carbon price