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 3.32
Milk (kg) 33.00 -0.014 -0.46
Fat (kg) -6.68 -0.375 2.50
Prot (kg) -2.91 -0.441 1.28
Fertility Sub Index -2.63
Calving Interval (days) 1.13 -1.459 -1.65
Survival (%) -0.88 1.117 -0.98
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index 0.48
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.32 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 2.08

* Based on an €80/tonne carbon price