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 -1.72
Milk (kg) 89.00 -0.014 -1.25
Fat (kg) 1.13 -0.375 -0.42
Prot (kg) 0.12 -0.441 -0.05
Fertility Sub Index -1.63
Calving Interval (days) 1.07 -1.459 -1.56
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 0.96
Gestation Length (days) -1.04 -0.919 0.96
Beef Sub Index -1.06
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) 1.10 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index -1.98

* Based on an €80/tonne carbon price