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 4.26
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -3.61 -0.375 1.35
Prot (kg) -4.93 -0.441 2.18
Fertility Sub Index 0.96
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) 0.49 1.117 0.55
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 0.34
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.56 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 6.11

* Based on an €80/tonne carbon price