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 3.59
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -1.18 -0.375 0.44
Prot (kg) -4.33 -0.441 1.91
Fertility Sub Index 3.05
Calving Interval (days) -1.45 -1.459 2.12
Survival (%) 0.84 1.117 0.94
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.76
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -1.38 -0.432 0.60
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 10.04

* Based on an €80/tonne carbon price