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 4.95
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -1.10 -0.375 0.41
Prot (kg) -4.32 -0.441 1.91
Fertility Sub Index 3.15
Calving Interval (days) -2.37 -1.459 3.46
Survival (%) -0.28 1.117 -0.31
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index -0.59
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) -1.69 -0.432 0.73
Maintenance Sub Index Maint. Sub Index -3.25
Live WT (kg) 10.60 -0.307 -3.25
Total Carbon Sub Index 4.49

* Based on an €80/tonne carbon price