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 5.38
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -5.61 -0.375 2.10
Prot (kg) -2.29 -0.441 1.01
Fertility Sub Index 3.61
Calving Interval (days) -1.51 -1.459 2.20
Survival (%) 1.26 1.117 1.41
Calving Sub Index -1.26
Gestation Length (days) 1.37 -0.919 -1.26
Beef Sub Index -2.50
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 3.84 -0.432 -1.66
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 7.80

* Based on an €80/tonne carbon price