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 17.10
Milk (kg) -503.00 -0.014 7.04
Fat (kg) -11.70 -0.375 4.38
Prot (kg) -12.86 -0.441 5.68
Fertility Sub Index 2.30
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) 0.26 1.117 0.29
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.15
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 21.10

* Based on an €80/tonne carbon price