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 5.24
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -6.08 -0.375 2.28
Prot (kg) -2.12 -0.441 0.94
Fertility Sub Index 5.67
Calving Interval (days) -3.46 -1.459 5.05
Survival (%) 0.56 1.117 0.63
Calving Sub Index 1.54
Gestation Length (days) -1.68 -0.919 1.54
Beef Sub Index -2.66
Carcass Weight (kg) 4.30 -0.528 -2.27
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index -2.48
Live WT (kg) 8.10 -0.307 -2.48
Total Carbon Sub Index 7.32

* Based on an €80/tonne carbon price