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 2.39
Milk (kg) -89.00 -0.014 1.25
Fat (kg) 0.75 -0.375 -0.28
Prot (kg) -3.22 -0.441 1.42
Fertility Sub Index 1.13
Calving Interval (days) -1.44 -1.459 2.10
Survival (%) -0.87 1.117 -0.97
Calving Sub Index 1.15
Gestation Length (days) -1.25 -0.919 1.15
Beef Sub Index 2.30
Carcass Weight (kg) -9.30 -0.528 4.91
Age of Slaughter (days) 6.04 -0.432 -2.61
Maintenance Sub Index Maint. Sub Index 7.05
Live WT (kg) -23.00 -0.307 7.05
Total Carbon Sub Index 14.02

* Based on an €80/tonne carbon price