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 15.18
Milk (kg) -314.00 -0.014 4.40
Fat (kg) -15.04 -0.375 5.63
Prot (kg) -11.68 -0.441 5.16
Fertility Sub Index 5.31
Calving Interval (days) -2.71 -1.459 3.95
Survival (%) 1.21 1.117 1.35
Calving Sub Index -1.32
Gestation Length (days) 1.44 -0.919 -1.32
Beef Sub Index -2.86
Carcass Weight (kg) 1.80 -0.528 -0.95
Age of Slaughter (days) 4.42 -0.432 -1.91
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 20.26

* Based on an €80/tonne carbon price