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 29.10
Milk (kg) -727.00 -0.014 10.18
Fat (kg) -25.04 -0.375 9.38
Prot (kg) -21.62 -0.441 9.54
Fertility Sub Index 9.08
Calving Interval (days) -5.93 -1.459 8.65
Survival (%) 0.38 1.117 0.42
Calving Sub Index 1.28
Gestation Length (days) -1.39 -0.919 1.28
Beef Sub Index -2.17
Carcass Weight (kg) 4.40 -0.528 -2.32
Age of Slaughter (days) -0.35 -0.432 0.15
Maintenance Sub Index Maint. Sub Index -5.95
Live WT (kg) 19.40 -0.307 -5.95
Total Carbon Sub Index 31.34

* Based on an €80/tonne carbon price